Arts & Science

Bigger isn’t always better — or faster

Lizard study reveals why cheetahs are the world’s fastest animal.

Understanding Frida Kahlo’s fertility problems

The famous Mexican painter studied medicine in her youth and used that knowledge to paint the different factors that might have affected her ability to procreate.

Glowing can be an effective camouflage

Small-eye pigmy sharks’ bellies shine to disguise them from predators.

Brain scans predict weight and sexual behaviour

Functional MRI scans can reliably judge a person’s most basic appetites.

Talking trees

Plants can emit and react to sounds.

Picky females promote diversity

Women are genetically designed to be picky — particularly with their men.

Slumber: a new study regime?

Sleeping after processing new material helps retain information.

Beating the height hangover

The over-the-counter solution that might help put an end to altitude sickness.

Exercise changes your DNA

You could change your DNA through exercise and coffee consumption.

Uncovering the secrets of the deep ocean

After six years of research and preparation, James Cameron and his crew are ready to take a plunge into the Earth’s final frontier.

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