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Aroma Chemistry - The Smell of Fresh Cut Grass

The second in the 'Aroma Chemistry' series, this graphic examines the smell of fresh-cut grass. This is oft-mentioned when discussions of favourite smells come up, so what are the chemical compounds behind it?

A Guide to Common Fruit Acids #science

Most people probably know that citric acid is the source of a lemon’s sourness and acidity. However, it’s not the only acid found in fruits, or even in lemons.

Firework chemistry

chemistry of fireworks! What makes fireworks colorful? It's all thanks to the luminescence of metals. Find out more with this great graphic from NPR.