Our readers point to a number of different reasons, including the quantity of molecules called tannins and the amount of time ...

Why does water wiggle when moving down a windowpane, rather than go in a straight line? Plus, when did hominids start to ...

Why are some people drawn towards exploration and challenge – even to the point of extreme danger? Alex Hutchinson's bracing ...

Nostalgia for video games seems to be strongest for those played during childhood – at least for Nintendo Switch players ...

A more precise definition of the second is crucial to all sorts of physical measurements – but to get there, scientists have ...

A company in the Netherlands says it has perfected a way to create "graft chimeras" with the skin of one plant and the ...

Pandigital sums. Set by Colin Beveridge. A pandigital sum is an addition that uses each of the digits from 0 to 9 exactly ...

The rate at which the planet is warming has sped up since 2010, and now researchers say that China's efforts to clean up air ...

This week's cartoon from Twisteddoodles ...

Laid down on this operating table are the remains of a 50,000-year-old baby mammoth nicknamed Yana. On 27 March, scientists ...

Other cartoons by Tom Gauld can be found here. Receive a weekly dose of discovery in your inbox! We'll also keep you up to ...

A cost-cutting initiative in the world of passenger aviation could see flight-deck staff reduced to just a captain, with ...