51¶¯Âþ

animal behaviour

Ants care for wounded comrades by licking their wounds clean

Life

Ants care for wounded comrades by licking their wounds clean

If a Matabele ant loses a limb in a battle with termites, its nestmates will tend its injuries - a behaviour never before seen in any non-human animal

51¶¯Âþ

Birds 'dream sing' by moving their vocal muscles in their sleep

Life

Birds 'dream sing' by moving their vocal muscles in their sleep

51¶¯Âþ

Naked volunteers pose for the US photographer Spencer Tunick in the ice-cold Swiss glacier of Aletsch, the largest in the Alps, as background for an environmental campaign about global warming

Earth

Tiny individual decisions really could help avert climate chaos

Comment

How besieged ants decide when it’s time to abandon their nests

Life

How besieged ants decide when it’s time to abandon their nests

51¶¯Âþ

After crows fight they touch and preen each other to make up

Life

After crows fight they touch and preen each other to make up

51¶¯Âþ

Great tits avoid bad food after seeing grossed-out friends

Life

Great tits avoid bad food after seeing grossed-out friends

51¶¯Âþ

Punch and Judy

Humans

Six-year-olds will pay to see bad guys get their comeuppance

51¶¯Âþ

A woman addresses a meeting

Humans

Want to be the boss? How to signal your leadership potential

51¶¯Âþ

Why do female monkeys spend so long looking at rugged males?

Life

Why do female monkeys spend so long looking at rugged males?

51¶¯Âþ

chimp art

Humans

Old 51¶¯Âþ: Age, autism and animal art

Prejudice – and our attempts to question it – is the thread we follow through Decembers past in 51¶¯Âþ

Regulars

Life

We struggle with monogamy – is it time to abandon it altogether?

Features

Health

Teenage brains can’t tell what’s important and what isn’t

51¶¯Âþ

Humans

Huge dose of brain chemical dopamine may have made us smart

51¶¯Âþ

Life

Monkeys learn to play 'chicken' in a virtual driving game

51¶¯Âþ

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