Ever wondered why Helium, Curium, and barium are medical elements.

Well if you can't helium or curium you have to barium!

How do bullet-proof jackets stop bullets?

If you like action films, you might watch the hero battle all the villains, and remain unhurt even though the villains are firing hundreds of bullets at him. He's wearing a bullet-proof jacket, but how does that work?

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Why does a car windshield repel water?

Next time you drink a glass of water, try cleaning it with a piece of rubber. There will still be a thin film of water left on the glass. Now look at how a car's windshield wiper works. How does that clean off the water, though it is made of rubber too?

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The House of Wisdom

Today, advances in science are made in well-furnished research institutes, such as the Tata Chemicals Innovation Centre. Did you know that one of the earliest research institutes was the House of Wisdom in Baghdad?

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How does reverse osmosis purify water?

If you go to an appliances shop, you'll notice many brands of water purifiers that work by reverse osmosis. You may have one at home too. But how exactly does reverse osmosis work?

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Video: the 'Traffic Lights' Reaction

Have you watched a solution that changes colour from green to red? Here's a video that shows how chemistry can be quite fun.

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Tyrian Purple: the Colour of Kings

Today, clothes of all colours cost the same. But did you know that a few generations ago, the cost depended on the colour of the cloth? This was because dyes were expensive to obtain. Tyrian Purple was a dye so expensive that only kings could afford it!

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How do oysters make pearls?

Pearls have fascinated people since ancient times. Their colour, iridescence, shape and smoothness make them fascinating. But do you know that more than 99% of pearls today are not made naturally?

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The chemistry of perming & rebonding

Some of us have naturally curly hair but want it straightened; others have it naturally straight but want it curly. But whatever the style you like to wear, there's chemistry involved in it!

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Video: The chemistry of the World Cup

In the final of the FIFA World Cup 2010 in South Africa, you must have watched Spain hold aloft the golden Cup itself. So we thought it would be apt to share a video explaining the chemistry behind the making of the cup!

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Supercritical water: the solvent of the future

Almost everything we use today - plastics, medicines, synthetic fabrics - is made by some chemical process or the other. Many of these require organic solvents like benzene or acetone, which are environmental pollutants. How nice would it be if there was a way to make these useful things without needing harmful solvents?

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