Last meal reflects spiral-shaped intestine

An apatite for progress

Current pace of environmental change is unprecedented in Earth’s history

Enough oxygen on Earth long before animals rose

Study finds ‘frictional heat’ as a new trigger for explosive volcanic...

Guatemala warily monitors erupting volcano

Melting of massive ice ‘lid’ resulted in huge release of CO2...

New enantiornithine bird with an aerodynamic tail found in China

Virgin births may be common among snakes

Volcano in Nicaragua spews gas and lava

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