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30 March 2015 Last updated at 14:22

Solar aeroplane heads for ChinaSolar Impulse takes off from Mandalay

Solar Impulse, the fuel-free aeroplane, heads out of Myanmar and on to China on leg five of its attempt to fly around the world.


Porpoise (c) Peter VeroogPorpoises use 'sound searchlights'

Porpoises finely adjust the size of the beams of sound they use to hunt - using sound like a searchlight to trap their prey, a study finds.

Kelly and KornienkoDuo begin year-long space trip

US astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko arrive for a 12-month tour of duty on the International Space Station.

Our Experts

Jonathan Amos Article written by Jonathan Amos Jonathan Amos Science correspondent

Rosetta comet lander tells magnetic story

The comet being trailed through space by Europe's Rosetta probe has no magnetic field of its own - an important observation in the understanding of how the icy dirt-ball formed billions of years ago.

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David Shukman Article written by David Shukman David Shukman Science editor

Longer-term thinking 'needed' on air pollution

David Shukman looks at what could be done on air pollution beyond the annual warnings.

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Bloodhound carScience in 2015

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