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Animals

Tick sequencing may eradicate Lyme disease

Scientists have mapped the tick genome. They now hope to eradicate the animal that infects humans with deadly Lyme disease.

Lack of oxygen did not hold back evolution of complex life

There was much more oxygen on Earth 1.4 billion years ago than scientists have previously thought. Rules out conventional theories as to what kick-started complex life on Earth.

Wild horses lost their camouflage because of humans

Scientists find the genetic mechanism that determines the colour patterns of wild horses.

When and where did wolves become dogs?

Did dogs become domesticated in Southeast Asia or Europe? New study challenges recent research.

Deadly virus discovered in Scandinavian geese

A virus that plagues wild geese in North America has now been detected in Scandinavia.

Large animals have removed 80 per cent of forests

Without large animals such as elephants, deer, and bison, much of the world would quickly return to forest, shows new research.

Loss of large animals has reduced global circulation of vital nutrients

Decline of large animals such as whales, sea birds, and salmon has led to a loss of 94 per cent of the transportation of nutrients on the planet.

The enamel on your teeth came from prehistoric fish

A new study combining genes and 420 million year old fossils reveals that our tooth enamel developed from fish scales.

Discovery of new whale species fills evolutionary gap

Scientists discover a previously unknown ancient whale species--helping them understand how whales evolved into the many species that exist today.

Underground animal world crucial for life above ground

New study shows that subterranean bacteria, worms, and beetles play a critical role in climate and plant life above ground.