Measurements by buoys at four latitudes in the western Atlantic provide the strongest evidence yet that the Atlantic ...

The shape of the walnut arises from mechanical differences between the inner tissues and the outer, drier, rigid tissues.

For a different sort of challenge, try this cryptic crossword. Subscribe today to get access to dozens more, and a new crossword every week. Download the app ...

The nasal cycle is the alternating congestion and decongestion between nostrils. It usually happens every couple of hours, ...

This is easy, as long as you accept that Earth is a rotating sphere. If you are standing at the equator, you move west at ...

Lions, tigers, bears – they all evolved to have front-facing eyes that humans relate to because it was an advantage to them, ...

Feedback is delighted by the discovery of a very specific scientific sculpture park in China – and wonders if readers can top ...

Tom Gauld's weekly cartoon ...

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A fresh and important book reveals the messy reality of our ever-mutating cells – and why the quest to defeat ageing is ...

Luminous by Silvia Park and Ode to the Half-Broken by Suzanne Palmer are both thoughtful and well-written science fiction ...

Eating earth (geophagy) is classified as a mental health condition by the American Psychiatric Association – unless it’s part ...