Articles sur Chemistry

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Mole Day is an unofficial holiday celebrated among chemists on Oct. 23, between 6:02 a.m. and 6:02 p.m. The time and date are derived from Avogadro’s number. Ekaterina_Minaeva/Shutterstock.com

A day to celebrate chemistry’s favorite unit — the mole. But what’s a mole?

Chemists sure know how to party. And here is the proof. On October 23rd they celebrate their hallowed unit: the mole. Find out what that's all about.
Your nose knows what’s on the way. Lucy Chian/Unsplash

Why you can smell rain

A weather expert explains where petrichor – that pleasant, earthy scent that accompanies a storm's first raindrops – comes from.
Westy48/Flickr.

Curious Kids: what is fire?

Put simply, it's the outcome of a chemical reaction, which humans learned how to make some 400,000 years ago.

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