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Life

Orangutan learns to mimic human conversation for the first time

Life

Dolly the sheep’s poor health may not have been due to cloning

Technology

Amazon to begin UK delivery drone trials to make them safer

Health

US and UK fall behind in largest ever global study of height

Earth

California’s fires force evacuation of people and exotic animals

Health

Alcohol linked to at least seven cancers – not just liver cancer

Health

Double hand transplant carried out in the UK for first time

Life

Hummingbirds’ unique way of seeing prevents them from crashing

Russia engaged in 'state-directed' Olympic doping, finds probe

Space

Largest-ever map of 1.2 million galaxies measures dark energy

Earth

Climate change may not be all bad for UK’s economy, report says

Health

Three-parent-babies might have health problems in later life