#sciencedaily

[sciencespectrum]

What is sodium (Na) and why is it important in chemistry?

Sodium, represented by the symbol Na, is a soft, silvery-white metal 🥈 and is a member of the alkali metals group of the periodic table 🌟. Its atomic number is 11, meaning it has 11 protons in its nucleus ⚛️. Sodium is highly reactive, making it one of the most interesting elements in chemistry 🔬.

Physically, sodium is light, so much so that it can float on water 🌊. It is also a good conductor of electricity ⚡ and has a low melting point, which sets it apart from many other metals 🔥.

Chemically, sodium is known for its violent reaction with water 💥. When Na touches water, it forms sodium hydroxide (NaOH) and releases hydrogen gas (H₂), often with a flame or flare 🔥. This is why sodium should always be stored under oil to prevent accidental reactions 🛢️. Sodium combines with nonmetals to form ionic compounds, such as table salt (NaCl) 🧂.

Sodium is naturally found in minerals such as rock salt and soda ash and is abundant in seawater 🌊. In ​​living organisms 🧬, sodium is essential for regulating blood pressure, maintaining fluid balance, and supporting nerve and muscle function 💓💪.

Industrially, sodium has many uses 🏭: It helps make glass, soap, and chemicals 🧼. Everyday life also relies on sodium compounds, from baking soda to detergents 🍞🧼.

⚠️ Safety note: Sodium is highly reactive and can be dangerous if not handled properly 🛡️. Always follow laboratory safety rules.

In short, Na is a fascinating alkali metal 🌟, important in both industry and biology 🌐. Its reactivity, versatility, and presence in everyday life make it one of the most important elements in chemistry 🧪✨.

[factofstates]

Why Humans Can’t Survive Extreme Pressure — Deep Sea Science Explained

The deep ocean is one of Earth’s final frontiers… but it’s also one of the most extreme environments for the human body. 🌊 From crushing pressure to endless darkness, your body would struggle to cope even a few meters below the surface.

This article breaks down the science behind extreme pressure, why humans would be harmed by it, and what it teaches us about life in the deep sea.

👉 Read the full post here:

Why Humans Can’t Survive Extreme Pressure — The Deep Sea Science Explained

[plethoraworldatlas]

Scientists design a two-legged robot powered by muscle tissue

Compared to robots, human bodies are flexible, capable of fine movements, and can convert energy efficiently into movement. Drawing inspirat

Compared to robots, human bodies are flexible, capable of fine movements, and can convert energy efficiently into movement. Drawing inspiration from human gait, researchers from Japan crafted a two-legged biohybrid robot by combining muscle tissues and artificial materials. Publishing on January 26 in the journal Matter, this method allows the robot to walk and pivot."

Research on biohybrid robots, which are a fusion of biology and mechanics, is recently attracting attention as a new field of robotics featuring biological function," says corresponding author Shoji Takeuchi of the University of Tokyo, Japan

"Using muscle as actuators allows us to build a compact robot and achieve efficient, silent movements with a soft touch."The research team's two-legged robot, an innovative bipedal design, builds on the legacy of biohybrid robots that take advantage of muscles.

Muscle tissues have driven biohybrid robots to crawl and swim straight forward and make turns -- but not sharp ones.

Yet, being able to pivot and make sharp turns is an essential feature for robots to avoid obstacles.

To build a nimbler robot with fine and delicate movements, the researchers designed a biohybrid robot that mimics human gait and operates in water.

The robot has a foam buoy top and weighted legs to help it stand straight underwater.

The skeleton of the robot is mainly made from silicone rubber that can bend and flex to conform to muscle movements.

The researchers then attached strips of lab-grown skeletal muscle tissues to the silicone rubber and each leg.

When the researchers zapped the muscle tissue with electricity, the muscle contracted, lifting the leg up. The heel of the leg then landed forward when the electricity dissipated.

By alternating the electric stimulation between the left and right leg every 5 seconds, the biohybrid robot successfully "walked" at the speed of 5.4 mm/min (0.002 mph). To turn, researchers repeatedly zapped the right leg every 5 seconds while the left leg served as an anchor.

The robot made a 90-degree left turn in 62 seconds. The findings showed that the muscle-driven bipedal robot can walk, stop, and make fine-tuned turning motions.

"Currently, we are manually moving a pair of electrodes to apply an electric field individually to the legs, which takes time," says Takeuchi.

"In the future, by integrating the electrodes into the robot, we expect to increase the speed more efficiently."

[everythingaboutbiotech]

The color wheel is a circular diagram of colors arranged by their chromatic relationship. It is often used to understand color relationships and combinations.

The basic color wheel consists of primary, secondary, and tertiary colors.

Primary Colors:

These are the foundation of every other color.

In traditional color theory, there are three primary colors: red, blue, and yellow.

All other colors are created by mixing these primary colors together.

Secondary Colors:

These colors result from mixing two primary colors.

The three secondary colors are green (blue + yellow), orange (red + yellow), and purple (red + blue).

Tertiary Colors:

These are created by mixing a primary color with a neighboring secondary color.

The six tertiary colors include red-orange, yellow-orange, yellow-green, blue-green, blue-purple, and red-purple.

👉Follow @everythingaboutbiotech for useful posts.

[bumblebeeappletree]

As the ocean heats up hungrier predators take control: Marine predation intensifies in warmer waters; could reshape ocean communities as cli

A hotter ocean is a hungrier ocean -- at least as far as fish predators are concerned. Scientists have discovered predator impacts in the At

A hotter ocean is a hungrier ocean -- at least as far as fish predators are concerned. In a new field study published online June 9 in Science, Smithsonian scientists discovered predator impacts in the Atlantic and Pacific peak at higher temperatures. The effects cascade down to transform other life in the ocean, potentially disrupting balances that have existed for millennia.

"It's taken thousands of years to get to this state, and then suddenly we're ramping up the temperature at a much higher rate," said Gail Ashton, lead author of the report and marine biologist with the Smithsonian Environmental Research Center (SERC). "And we don't really know the implications of that temperature increase."

[advicerlaara]

How to Keep Your Ears Clean

Cotton swabs are recommended by some, while ear candles are recommended by others. Maybe you’re one of those people who believes that you should never clean your ears.

Putting anything inside your ear is a horrible idea, which is about the only thing doctors agree on. Your ears normally clean themselves and don’t require any special attention. Cleaning them is only necessary to soften or eliminate earwax from the outside of your ear canals. And you’ll need to know how to do it wisely if you’re going to accomplish it.

⭐ Why Do Your Ears Produce Wax? The substance called cerumen, sometimes known as earwax, is the reason we feel compelled to clean our ears. It’s natural for your body to create it, and it aids in the protection and lubrication of your ears. Your ears would be uncomfortable and dry if you didn’t have earwax.

It even has antibacterial characteristics, so your ears will clean themselves. Earwax acts as a filter for your ears, keeping hazardous substances such as dirt and dust out while trapping them so they don’t get too deep within.

You can help transfer old earwax out of the ear canal to the ear entrance by chewing and moving your jaw. It frequently dries up and falls out there. Earwax, on the other hand, is created in the outer region of your ear canal, not in the deep part.

So the only reason you have an earwax blockage against your eardrum is that you tried to clean your ears with a cotton swab — or something similar — and pushed the wax further in.

Other dangerous complications can result from swabbing or inserting pointed things inside your ear:

01. Infection 02. An eardrum rupture is a condition in which the eardrum ruptures. 03. Hearing loss that is severe

⭐Is It Necessary to Clean Your Ears? No, your ear canals shouldn’t need to be cleaned. However, if too much earwax builds up and causes symptoms or prevents your doctor from doing a full ear check, you may have cerumen impaction. This indicates that earwax has completely filled your ear canal, which can occur in either one or both ears.

⭐Cerumen impaction causes the following symptoms:

01. In your ear, you may have pain or a feeling of fullness. 02. Do you have the sensation that your ear is plugged? 03. Partial hearing loss that worsens over time 04. Tinnitus is a ringing in the ear. 05. Itching, drainage, or an odor emanating from your ear are all signs that 06. something is wrong. 07. Coughing

This type of earwax buildup is uncommon, although it does occur. However, if you’re suffering from any of the symptoms described above, don’t blame it on earwax. Make an appointment with your physician. They can examine your ears and determine the source of the problem. Your doctor can use a special gadget to look into your ear canal and remove any earwax with small devices, suction, or irrigation.

⭐How to Clean Your Ears and How Not to Clean Your Ears You can gently wipe the outside of your ears if your problem isn’t serious but you feel like there’s too much earwax buildup. All you need is a washcloth. To soften the wax, you can apply a few drops of baby oil, hydrogen peroxide, mineral oil, or glycerin to your ear. Or An over-the-counter wax removal kit can be used.

Ear candles should not be used to clean your ears but instead for cotton swabs or other small or sharp things. According to studies, they are ineffective and might possibly cause damage. The FDA has discovered that these hollow candles, which are designed to be placed into the ear canal and lit at the exposed end, can cause burns and even penetrate the inside of the ear.

⭐Recommended Products — It’s not compulsory for you. it has listing for your easier only. Thank you!

👉❤️ Product 01 — Stainless Steel Earwax Tool Kit 👉❤️Product 02 — Ear Wax Removal Kit with Camera 👉❤️Product 03 — Ear Wash Refill Kit 👉❤️Product 04 — Ear Oil for Ear Infections 👉❤️Product 05 — Olive Oil Ear Wax Drops Softens Removes 👉❤️Product 06 — Organic Ear Oil for Ear Infections 👉❤️Product 07 — Baby Oil 👉❤️Product 08 — Ear wax removal kit 👉❤️Product 09 — Traditional Bamboo Ear Picks 👉❤️Product 10 —Ear Covers For Shower 👉❤️Product 11 — Ear Washer Disposable Tips

[don-lichterman]

Yellowstone's history of hydrothermal explosions over the past 14,000 years -- ScienceDaily

Yellowstone’s history of hydrothermal explosions over the past 14,000 years — ScienceDaily

While much of public attention on Yellowstone focuses on its potential to produce large supereruptions, the hazards that are much more likely to occur are smaller, violent hydrothermal explosions. Hydrothermal explosions occur when near-boiling water suddenly flashes into steam, releasing large amounts of energy. The energy release fractures the rock downward, often leaving behind a crater. The…

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[green-algae]

The Venus flytrap (Dionaea muscipula) is a carnivorous plant that encloses its prey using modified leaves as a trap. During this process, electrical signals known as action potentials trigger the closure of the leaf lobes. An interdisciplinary team of scientists has now shown that these electrical signals generate measurable magnetic fields. Using atomic magnetometers, it proved possible to record this biomagnetism.

"You could say the investigation is a little like performing an MRI scan in humans," said physicist Anne Fabricant. "The problem is that the magnetic signals in plants are very weak, which explains why it was extremely difficult to measure them with the help of older technologies."

An interdisciplinary team of researchers from Johannes Gutenberg University Mainz (JGU), the Helmholtz Institute Mainz (HIM), the Biocenter of Julius-Maximilians-Universität of Würzburg (JMU), and the Physikalisch-Technische Bundesanstalt (PTB) in Berlin, Germany's national meteorology institute, has now demonstrated that electrical activity in the Venus flytrap is also associated with magnetic signals. "We have been able to demonstrate that action potentials in a multicellular plant system produce measurable magnetic fields, something that had never been confirmed before," said Anne Fabricant, a doctoral candidate in Professor Dmitry Budker's research group at JGU and HIM.

While biomagnetism has been relatively well-researched in humans and animals, so far very little equivalent research has been done in the plant kingdom.

Read more: https://www.sciencedaily.com/releases/2021/02/210202113815.htm