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Lizards keep evolving toxic green blood and we don't know why

Lizards keep evolving toxic green blood and we don't know why

16 May 2018

All the green-blooded lizards in the world live in New Guinea, but it turns out the trait has evolved there independently at least four times

A new synthetic molecule may solve a paradox about life's origin

A new synthetic molecule may solve a paradox about life's origin

15 May 2018

Many scientists suspect life began with a molecule called RNA, but there has long been a big problem with this idea. Now there is a solution

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