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Wild bear uses a stone to exfoliate

Life

Wild bear uses a stone to exfoliate

A brown bear in Alaska was seen scratching its skin with rocks – the first bear definitively known to use a tool

News

No-waste circular economy is good business – ask China

Earth

No-waste circular economy is good business – ask China

News

Earth

Leaked files expose Heartland Institute's secrets

Comment

Earth Summit is doomed to fail, say leading ecologists

Earth

Earth Summit is doomed to fail, say leading ecologists

News

Fossil DNA has clues to surviving rapid climate change

Life

Fossil DNA has clues to surviving rapid climate change

News

Fracking health risks: Drilling into the unknown

Earth

Fracking health risks: Drilling into the unknown

News

Carbon dioxide encourages risky behaviour in clownfish

Earth

Carbon dioxide encourages risky behaviour in clownfish

News

Lethal viruses could leap continents in bushmeat trade

Health

Lethal viruses could leap continents in bushmeat trade

News

Oil spill on Christmas Island threatens red crabs

Earth

Oil spill on Christmas Island threatens red crabs

News

Trees do bear some blame for acid rain

Earth

Trees do bear some blame for acid rain

Ronald Reagan was ridiculed for saying that acid rain came from trees – but there was a drop of truth in it

News

Earth

Plant studies miss the full effect of climate change

News

Earth

Call for Arctic geoengineering as soon as possible

News

Earth

New Zealand's invasive ants mysteriously vanish

News

Earth

Himalayan nations agree to collaborate on climate

News