Scientists on an expedition led by polar explorer Pen Hadow have discovered plastic pollution lying on remote frozen ice floes in the middle of the Arctic Ocean.

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Fish have complex personalities, research shows

Tiny fish called Trinidadian guppies have individual “personalities”, new research shows.

Ruddy shelduck

High-flying ducks cross Himalayas

A high-flying duck species reaches altitudes of up to 6,800 metres (22,000 feet) to cross the Himalayas, new research shows.

Ribosomes and mitochondria

Breakthrough in understanding mitochondria

Scientists have made a breakthrough in understanding how mitochondria – the “powerhouses” of human cells – are made.