Flapping and running, researchers say, may have been an important early step in the evolution of flight.

Genes that result in a slender figure have been linked to heart disease and type-two diabetes, conditions normally associated with being overweight.

A scheme to eradicate rats on Henderson Island could save the seabirds there, including the endangered Henderson petrel, says the RSPB.

France's President Sarkozy announces 1bn euros (£0.8bn) of fresh investment in nuclear power, despite warnings after the Japan disaster.

Operators of Japan's Fukushima nuclear plant begin pumping decontaminated water to cool damaged reactors, in a move hailed as "a giant step forward".

Officials in Bangladesh say they have seized more than 120kg of dried turtles from smugglers near the north-western border with India.