Biology
Helping bully victims has influenced the evolution of egalitarian societies in humans. Image: Shutterstock

Are we hardwired to cooperate or bully?

Research into bullying sheds light on the evolution of human egalitarian societies.

The force generated by a punch from an expert is not determined by muscular strength. Image: wellphoto

Powerful punches come from the brain

The brain structures of karate experts reflect their punching ability.

boa

Snake disease decoded

Three snakes have helped researchers decode a mysterious disease.

It is usually the male mice who do the singing. Photo courtesy of Bret Pasch.

The singing lab mouse

Genetics help mice express themselves in song.

Geckos have trouble climbing on wet glass, thanks to their feet. Image: Matthew Nigel/Shutterstock

Climbing in the rain

Geckos are perfectly adapted for clinging to dry surfaces in rainforests and urban environments.

pygmy-marmoset

It’s a small world

3.5 million Australians were reported as having cardiovascular disease in 2007-2008. Image: Dariush M./Shutterstock

Fixing a broken heart

A molecule that turns stem cells into heart cells could be the answer.

The North African ostrich is the fastest running bird with a speed of 18 metres per second. Image: jo Crebbin/Shutterstock

Animals would trump Olympic athletes

If animals were allowed to compete in the Olympics, we wouldn’t really stand much of a chance.

Meet the troops--two soldiers, two white workers and three blue workers with two blue spots between their thorax and abdomen.  Image courtesy of R. Hanus

Old termites go on suicide missions

Termites seem to have developed an explosive strategy for warfare.

How we see men and women doesn't change according to our own gender. Image: Werner Heiber/Shutterstock

Men are people, women are body parts

Our brains process images of men and women differently.

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