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The Alkali Metals!

Lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr) together make up the alkali metals. They are also known as the lithium family of elements.  Along with hydrogen gas (H), the alkali metals form the first group of the periodic table of elements. All the alkali metals have one outer electron …

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How Do Snowflakes Form?

https://www.youtube.com/watch?v=-6zr2eLpduI What do humans and snowflakes have in common? Just like every person has a unique fingerprint, every snowflake has a different geometry and shape. When an extremely cold droplet of water freezes over a speck of dust or pollen in the sky, it forms an ice crystal, which serves as a base for the …

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Aluminum and Mercury : Amalgam that grows

Have you ever been to the dentist to have a damaged tooth ‘filled’? Traditionally, tooth filling is made by dissolving silver, tin, and copper in mercury. Mercury remains liquid at room temperature (25°C or 77°F). This solution of metals in mercury is called an amalgam. Atoms are the smallest particles of a substance. In metals, …

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Slime Mold Form a Map of the Tokyo-area Railway System

https://youtu.be/GwKuFREOgmo Slime molds are one of the smartest among lower organisms. These gooey, slimy blobs form veins as they spread along dead logs or leaves, or anything that they deem as food. Slime molds are unique and do not fit well into the current system of classification. When it comes to research on slime molds, …

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Venus Girdle

Venus Girdle JellyFish

https://www.youtube.com/watch?v=IEKTbX20byM&t=47s%20 It is believed that we know more about outer space than our oceans. Oceans hide spectacular animals under the deep blue waters. Colors in the ocean don’t necessarily fade with depth.  A bioluminescent, deep-sea comb jellyfish named Venus’ girdle is the proof. These jellyfish look like transparent rainbows in the ocean. They mostly swim around …

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Brain

What causes Brain Freeze?

Do you know what causes brain freeze? That unpleasant pain you might feel in your head after eating some ice cream or inhaling your milkshake too fast?

Bioluminescence

How Bioluminescence Creates Glowing Ocean Waves?

https://youtu.be/sE6GB4i2TxE Glowing colourful light underwater looks like magic, but like most things, it can be explained with science. These colours are created by tiny single-cell organisms called dinoflagellates. These unique little creatures can be found across the world, some feast on sunlight, others on fellow organisms. Not all of them are bioluminescent, and scientists believe …

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Helium

Why does Helium make your voice sound funny?

Why does Helium make your voice sound funny ? Ever wondered how helium actually works? Why does it have that comical high-pitched effect on our voices? Our voices are incredibly distinctive, created by vibrations in our voice boxes at unique frequencies. These frequencies start off consistent, but this changes, so when helium is introduced, being …

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