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Killexams : ISEB Intermediate techniques - BingNews Search results Killexams : ISEB Intermediate techniques - BingNews Killexams : What Are Grounding Techniques?

Source: Jandré van der Walt / Unsplash

Co-authored by Zamfira Parincu and Tchiki Davis

Sometimes life throws you a curveball and you find yourself overwhelmed. Maybe you experienced a loss. Perhaps you find yourself pondering the meaning of life. Or maybe the current state of world affairs makes you feel lost. Whenever you find yourself feeling anxious or stressed, you can use grounding techniques to reconnect with yourself and the present moment. This research-based strategy may be helpful for anxiety, panic attacks, flashbacks, or even dissociation.

Grounding techniques work by “grounding” you in the present moment and pulling you away from intrusive thoughts or feelings. This refers not only to having your “feet on the ground” but also your “mind on the ground.” When you turn your attention away from thoughts, memories, or worries, you can refocus on the present moment (Fisher, 1999).

Grounding techniques are useful because they help you distance yourself from an emotional experience. When you experience negative emotions—for example, perhaps you accidentally remember a painful memory—the brain's natural instinct is to start the involuntary physiological change known as the “fight or flight” response. Although this response keeps you safe by preparing you to face, escape from, or fight danger, memories do not present a tangible danger. If you find yourself in moments like these, grounding techniques can help the body calm itself and return to the present moment.

The 5-4-3-2-1 Technique

This is one of the most common grounding techniques. It helps by grounding you to the moment and reconnecting you to all five senses by naming:

  • 5 things you can see. Look around you and name five things you can see. It can be anything that’s in front of you such as the phone or the wall. It can also be things that are further away, such as the buildings or sky.
  • 4 things you can feel. This is important because it makes you pay attention to your body. You can think about how your hair feels on your back, how your feet feel in your shoes, or even how the fabric of your clothes feels on your skin.
  • 3 things you can hear. Pay attention to your environment: Do you hear birds, construction noise, the AC working? Say any three things that you can hear.
  • 2 things you can smell. Smelling is a powerful sensation, yet sometimes we move through life without paying that much attention to it. If you can, walk around a bit and notice the smells. If you can’t smell anything or can’t move, you can just name two smells that you particularly like.
  • 1 thing you can taste. Can you still taste lunch, coffee, or gum? If you want, grab a candy or mint and acknowledge how the flavors taste.

The next time you feel anxious or that you are overthinking a problem, try the 5-4-3-2-1 technique to become more present in the moment.

Do a Meditation Exercise

Guided meditation is a powerful grounding technique to reduce stress, depression and anxiety, and it can help you get out of your head and reconnect to your body. There are many types of meditation, such as the body scan, moving meditations, or loving-kindness meditation, so it’s important to try to determine which one works best for you. Meditation has been shown to reduce stress, make you calmer, promote happiness (Mineo, 2018), and even reduce symptoms of PTSD in studies with the U.S. military (Seppälä et al., 2014)

Focus on Your Breath ​

Many clinical professionals use breathing exercises to help patients be present in the moment. Focusing on breathing is a great tool for reducing stress and anxiety (Stefanaki et al., 2015). Breathing exercises work because they help you disengage from your mind and not pay attention to distracting thoughts. You can do the simple exercise below before bed, when you wake up in the morning, or before an important meeting:

First, find a comfortable and quiet place to sit or lie down. Breathe in slowly through your nose, and notice how your chest and belly rise as you fill your lungs. Then, breathe out slowly through your mouth. Do this a few times until you start to calm down.

In Sum

Grounding techniques are strategies that can reconnect you with the present and may help you overcome anxious feelings, unwanted thoughts or memories, flashbacks, distressing emotions, or dissociation. You can try as many techniques as you want: The more you try, the higher the chance you’ll find at least one that works for you.

Adapted from an article published by The Berkeley Well-Being Institute.

Thu, 01 Sep 2022 11:23:00 -0500 en-US text/html
Killexams : Age-Old Techniques at Hispanic-Owned Sustainable Farm

With a focus on healthy living, a Hispanic family a few kilometers from the U.S. capital keeps a traditional way of farming alive. The owners of Glory Fields in Maryland use techniques from the past to implement a sustainable living initiative they say is paying off so far. VOA News' Cristina Caicedo Smit has the story.

Wed, 21 Sep 2022 05:39:00 -0500 en text/html
Killexams : The Best Lifting Techniques to Move Heavy Stuff

Lifting heavy items should be done carefully in order to prevent injury.

In fact, 38.5% of work-related musculoskeletal issues are related to back injury, with improper lifting being one of the main causes.

Therefore, it’s important to learn proper lifting techniques to keep yourself safe at work and at home.

This article discusses proper lifting techniques and common lifting problems, and provides useful tips.

The best lifting technique is to squat down and use the strength of your legs — instead of your back — to lift the object off of the ground.

That said, you should only lift items that you’re comfortable lifting. If you’re unsure, it’s best to ask another person for help or use other machinery (e.g., a lift).

If you’ve decided that it’s safe to lift the item by yourself, you’ll want to follow the proper lifting technique guidelines outlined by Occupational Safety and Health Administration (OSHA).

1. Plan ahead

Before moving something heavy, it’s important to think and plan first.

First, look at the item that you’re about to lift and ask yourself these questions:

  • How heavy is it?
  • Is it awkward to carry for one person?
  • Where am I planning on putting this item? Am I going to be carrying it a far distance? Are there doors that will need to be opened when I’m carrying it?
  • Are there proper handles? Do I need safety gloves?
  • Do I have equipment (e.g., a lift) that can do this job safely?
  • Should this be carried by more than one person?
  • Are there any obstructions that should be moved first?

Taking note of your environment, the item you plan to lift, and other considerations can help you decide if this item is a one- or two-person job or requires other assistance, such as machinery.

2. Stretch

Just like you’d warm up before a workout, you should also warm up and stretch your muscles before lifting.

Ideally, spend a few minutes doing some dynamic stretching (e.g., lunges, lower back rotations, arm circles) to prepare your muscles and get your blood flowing.

3. Lift

To lift safely, you first want to make sure that you’re in the right positioning.

You’ll also want to make sure that you bend your knees, squat down to grab the item, and use the strength of your legs to do most of the lifting. This can help to lower back and other muscular injury.

Here are the steps to safely lift a heavy item:

  1. Stand as close to the item as possible. This will prevent you from overstraining your back. Stand in front of the item with a wide base of support (feet at least shoulder width apart).
  2. Bend your knees and keep your back upright, shoulders back, and head looking straight forward. There should be a natural curve in your lower back. This will help ensure you’re using your legs rather than your back to lift the item.
  3. Place both hands on the handles or sides of the item.
  4. When ready, look straight forward and push into the balls of your feet as you slowly straighten your legs. Avoid twisting your back.
  5. Hold the item as close to your body as possible around belly button level, with your elbows to your sides.

4. Carry

If needed, slowly take small steps to walk to the spot you plan to put the item. If it’s far, you should consider placing the item on a cart or other form of transportation.

If you need to change directions, lead with your hips and ensure your shoulders stay aligned with your hips. Continue to keep the load as close to your body as possible.

5. Set down

Setting an item down is the same movement as lifting but in reverse:

  1. Stop walking and stand squarely in front of the spot you intend to place the item.
  2. Slowly bend your knees and squat as you lower toward the ground. Keep the item close to your body, brace your core, and keep your head looking straight forward.
  3. Place the item on the ground fully before lifting up again.

If the item will be placed above the ground (e.g., on a counter or table), walk up to the surface and place it gently on top. If it’s slightly lower than hip level, be sure to still bend your knees and lower your body to place the item down safely.

While no one intends to hurt themselves, it’s quite common to injure yourself while lifting heavy objects. The most common lifting problems include:

  • lifting with your back
  • bending forward and keeping your legs straight to pick up an item
  • twisting while lifting or carrying a heavy item
  • lifting a heavy item that’s above shoulder height
  • carrying an item that’s too heavy or large
  • using a partial grip (e.g., two fingers)
  • lifting items when you’re tired, fatigued, or already injured
  • holding your breath
  • trying to lift and move the item too quickly

By lifting properly and avoiding these common lifting problems, you can help lower your risk of injury.

To prevent injury, consider these helpful tips:

  • When in doubt, ask for assistance.
  • Make a plan from start to finish (lifting to placing down).
  • Brace your core when lifting.
  • Always bend your knees to lift an item, even if it looks light.
  • Check the weight of the item by reading the weight on the label (if possible).
  • Ideally, use a lifting device to assist you.
  • If you’re going to move the item a far distance, use a cart, vehicle, or other piece of machinery.
  • Always stretch and warm up before lifting. Your safety comes before work or other obligations.
  • Use personal protective equipment (e.g., steel-toed shoes, gloves), as needed.
  • Take breaks if you’re tired or plan to move multiple objects.
  • Avoid holding an item for a long period of time.
  • If needed, ask a person to open any doors or move obstructions out of the way.

To ensure your safety, always practice safe lifting techniques.

The best lifting techniques involve using your legs to lift heavy objects instead of your back, since your legs are some of your strongest muscles while your back is more susceptible to injury.

You’ll also want to make sure that you’re planning ahead, only lifting objects you feel comfortable lifting by yourself, and being just as mindful when you place the item down as when you lift it.

And remember, you should always ask for assistance if you have any concerns. It’s better to be safe than to risk injuring yourself.

Wed, 21 Sep 2022 03:32:00 -0500 en text/html
Killexams : Cooking with ADHD was impossible. These 5 techniques helped me find joy in the kitchen

Learning to cook as an adult can be harder than it seems. That’s especially true if you are neurodivergent like me.

I run a cooking course called Panda Cub Diner, where I teach students how to make my family’s cuisine: 川菜 (chuāncài or Sichuan food). But for most of my 20s, I struggled to feed myself on a consistent basis. After a long workday, even the thought of ordering out was exhausting. The thought of having to choose a recipe and go grocery shopping and meal prep and actually cook the meal was paralyzing.

It’s not that I didn’t know how to cook. Growing up in a Sichuanese household, I cooked with my family every day — and loved it! But despite that, I kept spending money on takeout or defaulting to cold cereal for dinner. I felt frustrated and ashamed: Why couldn’t I just start cooking?

I found my answer at age 25, when I was finally diagnosed with ADHD.

ADHD, or attention deficit hyperactivity disorder, is a “neuro-developmental disorder that can cause difficulty with regulation of attention, executive function and working memory," according to Kaleidoscope Society. My ADHD fell under that “inattentive” subtype, which manifested in a limited attention span, forgetfulness, distractibility, daydreaming and difficulty following directions. This, combined with the general executive (dys)function ADHDers struggle with, was a perfect recipe for … not cooking.

Courtesy Linda Yi

After starting treatment for ADHD in my mid-20s, I began a yearslong journey of learning to cook. In this article, I share my top five ADHD-friendly cooking techniques that have made cooking not only possible, but joyful!

And while these tips will certainly benefit people who are neurodivergent like me, they’re also universal — anyone who struggles to cook can use them.

1. Separate 'feeding yourself' from 'cooking for fun.'

All through my 20s, this is what dinner time looked like for me:

Courtesy Linda Yi

And before I knew it, hours had passed, I’m still starving and everything is now closed. Cold cereal for dinner it is, then! Wait, there’s no more milk?!

If the above sounds familiar, I feel you! The issue here is two-fold: First, we’re hungry and we need to feed ourselves; second, our brains are seeking activities that maintain our interest. But trying to tackle an executive-function-heavy activity like cooking while on an empty stomach is a recipe for disaster.

So, my first tip is to first create your Minimal Prep Meal Plan to get you through your low-EF (executive function) days.

Courtesy Linda Yi

Having this meal plan — and a stocked pantry and fridge — to fall back on frees you to actually look forward to cooking something more creative.

2. Find your 'why' and schedule in a date.

For years, I had an impressive collection of gorgeous cookbooks …gathering dust on my kitchen shelf. Every new year, I’d do this:

Courtesy Linda Yi
Courtesy Linda Yi

But the truth is, I didn’t even go to the grocery store.

Because even the thought of doing all of the above drained me of my initial motivation. I’d put off digging into that cookbook to a later date … except that date never came.

So my second tip is to first find (and write down) your “why” for wanting to learn to cook, and then tie it to a specific date. Update your calendar!

Courtesy Linda Yi

(A blank template is available on the @pandacubstories Instagram.)

At its core, food is a shared sense of belonging. When we tie the act of cooking to creating joyful experiences with someone we love, our desire to cook increases. And setting a specific calendar date keeps us accountable.

Of course, there’s the question of what to make and how to tackle things as a beginner, but we’ll explore that further in technique No. 5.

3. Tidy and maintain your kitchen with body doubling and habit stacking.

Before we actually dive into cooking, though, let’s address the things that get in the way.

Courtesy Linda Yi

We often avoid cooking not because we hate the activity itself. Rather, it’s because the tasks surrounding the simple act of cooking can drain our motivation. Who wants to cook with a dull knife and a sink full of dirty dishes?

In contrast, a tidy kitchen is an inviting space, beckoning us to create delicious meals.

The problem is most of us find tidying really boring. So we put it off until chaos reigns.

So, my third tip is to “trick” our brains into thinking tidying is interestingand timely. And I use two tools to make this happen: A monthly “Tidy Party" and a daily “15x15x15 Kitchen System.”

Courtesy Linda Yi

Here's how to plan your own Tidy Party: Set a date on your calendar and block off at least two hours. If you live with roommates or family, choose a date where everyone can contribute (everyone uses the kitchen after all!). Having more than just you onboard also makes use of a technique called “body doubling,” a productivity aid that helps people with ADHD and other forms of neurodivergence stay focused and motivated while working.  If you live alone like me, sites like Focusmate are great places to book free body doubling sessions with like-minded people. You can even put on a fun soundtrack or favorite podcast and jam out as you clean.

But it's not enough just to clean your kitchen once — you've got to maintain it. To accomplish this, I use a 15x15x15 Kitchen System, which has transformed the way I clean my kitchen.

Courtesy Linda Ya

One of the biggest tidying challenges we face is letting things get to an overwhelming point where we don’t even know where to start. That’s where this 15x15x15 system comes in handy. The foundation of this system is giving yourself permission to not have a perfectly tidy kitchen. This may feel counterintuitive, but the key is to feel comfortable doing short bursts of tidying, without expecting yourself to get everything done in a single session.

To create your 15x15x15-minute system, turn to “habit stacking," which means pairing our new habit (15 minutes of kitchen tidying) with current habits we’ve already established. Here’s an example:

Courtesy Linda Yi

4. Cooking Date Night (x3)

My fourth technique combines  everything we’ve learned so far … and gives us three date nights (or family activities), to boot.

Courtesy Linda Yi

Friday: Grocery shop for Sunday’s meal and pick up a treat for dessert. Order your favorite takeout and have a movie night in. 

Saturday: It’s time for a house-wide tidy party! Vote on your favorite tunes and get cleaning as a group. When your kitchen’s sparkling, leave it alone. Go out for a dinner date.  

Sunday: Our cooking date! Ask your partner (or housemate) to pick up flowers and wine for the table. Enjoy cooking your meal and supply yourselves permission to take as long as you need. Savor your meal by cozy candlelight.

Now the only thing left is to pick what to make, which leads us to our last tip.

5. Make the basics interesting by leaning into limitations.

ADHD-ers often find themselves in somewhat of a culinary Catch-22. On one hand, basic recipes can feel boring; on the other, more complex recipes can feel overwhelming.

My fifth and final technique is all about working with our brains to make the basics interesting. And as a comic artist who loves Sichuan food, I found the perfect combination in illustrated recipe cards.

My first self-imposed limitation was choosing a single cuisine. I naturally went with Sichuanese, which is my absolute favorite (plus I had access to an entire archive of family recipes).

My second limitation was to choose recipes simple enough to fit onto a one-page card.

I often struggled with following recipes because my eyes would skip over paragraphs, leading me to miss important steps, or the recipes were so long that by the time I scrolled down to the steps, I’d forgotten how much of each ingredient I was supposed to use.

I began drawing these recipe cards for my own use, and they’ve now evolved into a series of visually interesting and easy-to-follow guides to simple Sichuanese cooking:


Courtesy Linda Yi


Courtesy Linda Yi

Now, whenever the desire to cook strikes, I simply choose one (or more) of these recipe cards and get started!

Of course, drawing your own recipe cards isn’t the only way to make the basics interesting. You can also limit your tools (for instance, what can you make with just an Instant Pot?) or limit your ingredients (what can you make with potatoes?).

Lean into your limitations and watch your creativity flourish! Happy cooking!

Wed, 12 Oct 2022 07:57:00 -0500 en text/html
Killexams : Lanthanide doping could help with new imaging techniques
Lanthanide doping could help with new imaging techniques
a) Main luminescent transitions of the lanthanide activators in the electromagnetic spectrum, spanning from UV to visible then extending to second near-infrared. b) XEOL, XEPL, DS and UC processes in lanthanide-doped fluoride NSs. c) Schematic illustration of the multimode color evolution based on fluoride core@shell@shell NSs. P represents excitation power. When different lanthanide activators generate diverse emission wavelengths of XEOL, UC and DS in a designed core@shell@shell NSs, plentiful multicolors can be modulated on demand by controlling the excitation wavelength and/or power. Credit: Lei Lei, Yubin Wang, Andrey Kuzmin, Youjie Hua, Jingtao Zhao, Shiqing Xu and Prasad N. Paras

X-rays are electromagnetic waves with short wavelengths and strong penetrability in physical matter, including live organisms. Scintillators capable of converting X-rays into the ultraviolet (UV), visible or near-infrared (NIR) photons are widely employed to realize indirect X-ray detection and XEOL imaging in many fields. They include medical diagnosis, computed tomography (CT), space exploration, and non-destructive industrial material and security inspections.

Commercial bulk scintillators possess high light yield (LY) and superior energy resolution. However, they suffer from several drawbacks, such as complex fabrication procedures, expensive experimental equipment, non-tunable XEOL wavelength and poor device processability. They all produce emissions in the visible spectral range, but having XEOL in the NIR range may find more interesting applications in biomedicine. Thick crystals also generate light scattering followed by evident signal crosstalk in a photodiode array.

Recently, metal halide perovskites have been investigated for X-ray detection. Unfortunately, these materials also exhibited some intrinsic limitations, such as poor photo-/environmental- stability, heavy metal toxicity and low LY. Thus, the search for developing a new generation of scintillators is still a considerable focus of scientific research.

In a new paper published in eLight, a team of scientists, led by Professor Prasad N. Paras from the University of Buffalo, investigated the use of lanthanide-doped fluoride NSs. Their paper looked at design strategies and nanostructures that allow manipulation of excitation dynamics in a core-shell geometry.

Lanthanide-doped fluoride NSs avoid the limitations of bulk scintillators and metal halide perovskites. They also exhibit many useful properties. The core-shell structures of the lanthanide doped fluoride NSs can be tuned and designed on demand by employing a cheap and convenient wet-chemical method. The emission wavelengths can be tuned and extended to the second NIR window, benefiting from the abundant energy levels of lanthanide activators.

These NSs show superior photostability, low toxicity and convenient device processability. It makes them promising candidates for next-generation NSs and XEOL imaging. Moreover, they exhibit XEPL property, showing promising applications in biomedicine and optical information encoding. The combination of XEOL and XEPL makes them suitable for broadening the scope of their applications.

In latest years, significant advances have been made in NS development. The research team discussed design strategies and nanostructure that allow manipulation of excitation dynamics in a core-shell geometry. They also produce XEOL, XEPL, photon upconversion (UC) and downshifting (DS). It enables emission at multiple wavelengths and at varying time scales.

The fundamental working principle of XEOL imaging is to record the attenuation of X-rays after penetrating the subject with a scintillator and imaging with a camera. The scintillator screen is placed under the target to absorb the transmitted X-ray photons. A low dose of X-rays penetrating live organisms enables the application of computed tomography. Penetrating nonliving matter enables product quality and security inspection. The X-ray irradiation dose should be low enough to assure safety, while the high resolution and distinct contrast are important for image analysis.

X-ray, ionizing radiation with deep penetration depth in the human body, has been broadly studied for radiotherapy and bioimaging applications. The strong XEOL can activate the photosensitizers to generate reactive oxygen species. They directly slow or stop tumor growth by photodynamic therapy, causing inflammation and compromising microvasculature.

The XEPL in UVC range can be used for sterilization and in vivo killing of pathogens and cancer cells. Fluorides with large band-gap and facile creation of anionic defects are appropriate for generating UVC persistent luminescence. Experimental characterizations combined with first-principles calculations suggested that oxygen introduction-induced fluorine vacancies acted as electron traps.

Photodetectors have various applications in biomedical sensing, camera imaging, optical communications, and night vision. In commercial photodetectors, crystalline inorganic semiconductors are employed as photodiodes and phototransistors. They do not effectively respond to a broad scope of photon energy covering X-ray, ultraviolet-visible (UV-vis), and NIR light.

Under NIR excitation, the lanthanide-doped fluoride layer emits UV-vis light through energy-transfer UC processes. The subsequential radiation re-absorption process from lanthanide activators to the perovskite layer occurs. Visible emission from the perovskite layer is produced through recombining electrons in the CB and holes in the VB.

This nanotransducer exhibited a wide linear response to X-rays with various dose rates and UV and NIR photons at different power densities. As discussed in section 4.4, without integrating the perovskite layer, lanthanide-doped fluoride NSs can be used for the generation of XEOL, UC and DS as well, which might be possible for the realization of broadband detection in theory and need more study in the future.

Lanthanide-doped fluoride nanoparticles are suitable candidates for next-generation NSs owing to their low bio-toxicity, high photo-/environmental- stability, facile device processability, tunable XEOL and XEPL properties, and other useful features.

To promote the development of high-performance fluoride NSs and their practical applications, the team discussed the existing challenges and future multidisciplinary opportunities in this field below. Understanding the XEOL mechanism benefits the design and exploration of new fluoride NSs. At present, how the generated low kinetic energy charge carriers are transported to the luminescent centers or captured by defects and the corresponding influence factors are unclear.

The first populated nonradiative excited levels and the radiative levels of lanthanide activators are optimal when calculating or characterizing the energy differences among these charge carriers. These calculations will guide the design of energy transfer processes to match the energy differences followed by the enhanced light yield. High LY is a prerequisite for the realization of ultra-low dose rate applications.

More information: Lei Lei et al, Next generation lanthanide doped nanoscintillators and photon converters, eLight (2022). DOI: 10.1186/s43593-022-00024-0

Citation: Lanthanide doping could help with new imaging techniques (2022, September 19) retrieved 17 October 2022 from

This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.

Sun, 18 Sep 2022 12:00:00 -0500 en text/html
Killexams : Incorporating traditional management techniques to combat effects of ocean acidification

Ocean acidification is a major concern related to climate change, with the oceans currently absorbing around a quarter of the carbon dioxide that is released into the atmosphere. The increased CO 2 that is absorbed by the ocean in turn decreases its pH, making the waters more acidic. These more acidic conditions put marine organisms that create calcium carbonate shells and skeletons at risk.

New research that will be presented Monday at the Geological Society of America's GSA Connects 2022 meeting evaluated a strategy based on Indigenous techniques that may help to mitigate the effects of ocean acidification on calcifying organisms.

Hannah Hensel, a Ph.D. candidate at the University of California, Davis, led a study that tested whether adding hash—pulverized clam shells—to sediments could help raise the pH of pore waters and aid in calcification for infaunal .

"One of the things that marine invertebrates have to deal with regarding is ocean acidification," said Hensel. "When researching that build shells and skeletons out of calcium carbonate, I came upon some research by a diverse group of people up in British Columbia working in clam gardens, an Indigenous shellfish management practice."

Clam gardens are a longstanding form of Indigenous coastal management in Alaska, British Columbia, and Washington State that typically involve building a rock wall in the intertidal zone that creates a level beach terrace. Clam gardens expand the habitat where clams thrive and increase productivity. Shell hash is also sometimes added to these environments to help promote growth.

"I reached out to people from the Clam Garden Network and also started looking into Indigenous management techniques in California to see if there were connections that could be made between the two ," said Hensel.

Adding additional pieces of shelly material to sediments may help buffer the water against acidification as they dissolve and release ions into the water. Hensel ran laboratory experiments using juvenile Pacific littleneck clams (Leukoma staminea), which are infaunal organisms that burrow within the sediment, to test how adding shell hash to the sediments may impact the pH and alkalinity of the water and calcifying conditions for the clams.

Hensel gathered dead from a local California bay to pulverize for the shell hash and then added the shell hash to juvenile Pacific littleneck clams that were grown for 90 days in acidified seawater and control seawater. Clams were also grown without the shell hash in acidified and control seawater.

By analyzing the pH and alkalinity of the pore water in the sediments and the overlying water, Hensel found that adding shell hash increased the pH and alkalinity of the pore fluids both in the acidic and control seawater conditions. The added shell hash thus worked to alter the chemistry of the pore fluids, helping to buffer against , which can help promote biologic calcification.

While these tests using shell hash were conducted in a laboratory, a next important step will be seeing how the technique fares in a natural environment.

"Next summer we're going to mimic this experiment in the field to see if we get a similar trend," Hensel said.

Given the longstanding Indigenous knowledge regarding the many benefits of adding shell hash and now experimental data showing its ability to help buffer against acidic conditions, shell hash may be a useful tool for combatting the local effects of .

"With more research and collaboration between local resource managers, Indigenous scholars and citizens, and the aquaculture industry, I do think it could be used in commercial aquaculture as a pointed and direct method to protect specific organisms that are known to do poorly in acidic conditions. The influence of shell hash on the pore fluids is very local," Hensel said.

Citation: Incorporating traditional management techniques to combat effects of ocean acidification (2022, October 8) retrieved 17 October 2022 from

This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.

Fri, 07 Oct 2022 12:00:00 -0500 en text/html
Killexams : Improving Food Security in Africa with Nuclear Techniques

At the IAEA Seibersdorf laboratories, a training course participant feels the texture of a mutant barley head — one of the contrasting features — as other participants look on (Photo: D. Calma/IAEA) 

Food and nutrition security — or regular access to sufficient, safe and nutritious food — continue to be challenged by often overlapping factors, including droughts, floods or harmful insects. Nuclear techniques offer the means to help meet the growing demand for food and provide better access to healthy diets, participants agreed at an event today organized on the sidelines of the IAEA’s 66th General Conference. Delegates from Africa and other regions of the world came together to review the progress attained in the agricultural sector towards  adapting to climate change on the African continent with the help of nuclear science and technology.

“The continent faces substantial challenges in ensuring food security and improving nutrition. An even closer collaboration across countries and institutions in the region and at the international level is needed to address these challenges effectively,” said Hua Liu, IAEA Deputy Director General and Head of the Department of Technical Cooperation, who opened the event. “As the IAEA, we take a holistic and integrated approach as we support member states through their national, regional and interregional technical cooperation programmes.”

The event, titled 'Enhancing Capacities of Member States in Africa to Achieve Food Security Through the Peaceful Use of Nuclear Techniques', included a panel discussion that brought together experts from Germany, Kenya, Morocco, Namibia and the High-Level Steering Committee of the AFRA Agreement to address ways in which nuclear science and technology help increase the efficiency of agricultural production, protect soil and water resources, ensure the safety and quality of food, and facilitate export and trade of agricultural produce.  

Experts' presentations at the event included a case study on Namibia’s experience with drought-tolerant crops through the use of plant mutation breeding; Morocco’s successes in agricultural soil and water management using fallout radionuclides and the stable isotope technique; regional initiatives on climate-smart agriculture using nuclear technology to enhance sustainability, and human resource development in nuclear science and technology in Africa.

“The AFRA Human Resources Development (HRD) Committee has developed a draft strategy to substantially increase the availability of young professionals with the technical and vocational skills needed to implement climate-smart agriculture, deploy isotopic techniques and produce new plant varieties using radiation technology,” said Professor James Kahindi, Deputy Vice Chancellor at Pwani University in Kenya. “The draft HRD policy will also connect nuclear establishments with academic institutions to promote the work conducted with nuclear techniques and to ensure synergy between both sectors.”

Fri, 30 Sep 2022 04:06:00 -0500 en text/html
Killexams : Monday Is Your Last Chance To Buy MFS Intermediate IT Before The Dividend Payout

Monday marks the last chance for investors to receive the next dividend payout from MFS Intermediate IT MIN.

What's Happening

The company announced on Monday that it would pay shareholders a monthly dividend of 2.18 cents per share. On Tuesday, MFS Intermediate IT will go ex-dividend, meaning the stock will trade lower to reflect that payout. In other words, the stock will likely open 2.18 cents lower than it would have opened on any other day.

In order to be eligible to receive a company's dividend, shareholders must own the stock prior to the ex-dividend date—in this case, Tuesday. Shareholders who own MIN as of the end of Monday's session are eligible to receive the 2.18 cents dividend payout for every share that they own.

According to the company, this dividend will be paid out to shareholders on October 31, 2022. Investors will then be able to either reinvest those dividends back into the stock or use the payment in some other way.

Click here to find details on MFS Intermediate IT's previous dividends.

To keep track of which companies are distributing dividends, click here to visit our Dividends Calendar.

© 2022 Benzinga does not provide investment advice. All rights reserved.

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