Q: Which is the most gullible element?

A: Pb. It's easily lead.


How is milk powder made?

Who doesn't love the taste of milk powder, whether dry or dissolved in milk. Do you know that as powder, milk can be preserved for years together? Let's have a look into how it is made.

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Why are Octane Ratings important?

Have you ever wondered about how petrol actually powers your car's engine? Or how safe it is? Here is a closer look at the chemistry behind octane and how its rating works.

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Why do old books become yellow?

Walk into a big library, and you'll see many old books that have become yellow and brittle. Why did that happen? How can we make them stay fresh forever?

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Why does stainless steel remain stainless?

Actually, stainless steel does get stains that may be hard to remove. But 'stain' here refers to rust, which is something stainless steel rarely catches. Ever wondered why?

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Rust-eating bacteria

You might have seen a car scrap yard - a place where old cars lie rusting. Now there's news of a bacterium that can eat these cars - and thus help recycling iron!

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How does thermal ink work?

Can you write without ink on a piece of paper? If you had some special fax paper, and an old refill, there's a special trick you can use to write. That's called thermal printing!

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What causes aluminium to stain?

If you've seen mom or dad cooking rice in an aluminium pressure cooker, you might notice they put a slice of lemon in the cooker. Wonder why they do that? What would happen if the lemon wasn't there?

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Are tins really made of tin?

Ever waited impatiently, for mum or dad to open a tin of pineapples or rosogollas, floating in sugar syrup? Did you know the tin can isn't actually made of tin?

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Lithium: The oil of a new century

Today, most of our vehicles and electric power plants run on fuels that come from petroleum. The supply of these fuels will end a few decades from now. So what would power our cars and homes? The answer may be lithium.

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Shale Gas: Naughty or Nice?

We live in a world where petroleum and coal are getting rarer and more expensive. We also know they contribute to global warming. Experts are now looking towards other sources of fuel like shale gas. Let's try and understand more.

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