Archives for the month of: May, 2013

A chemical neurotransmitter called Nppb (natriuretic polypeptide b) tells you when you need to scratch an itch. This knowledge could help the development of drugs to treat itchy conditions such as eczema.

Read the original research in Science.


Cockroaches have evolved to taste sugar as bitter, helping them to avoid poisoned bait – they will spit it out like a baby trying something new.

Read the paper in Science.

Penguins can’t fly because their wings have become adapted for swimming. The guillemot, which is very closely related, can only just fly, but like the penguin is excellent at diving.

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