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10 February 2012 Last updated at 00:21 ET

Why zebras evolved their stripesZebra (Equus grevyi) (c) Journal of Experimental Biology

A zebra's unmistakeable stripes may have evolved to make the animals unattractive to blood-sucking flies, say scientists. BBC Nature

Scanning electron micrograph of nanoscale laser (M Khajavikhan et al)Threshold broken for tiny lasers

Researchers build efficient lasers just 100 billionths of a metre across that may be used to make faster computer chips in the future.

An impression of the proposed supercontinent of Pangaea some 300 million years ago America and Asia 'will join up'

Researchers say most of the world's continents will merge somewhere over the Pacific "ring of fire" in 50-200 million years.

Our Experts

Jonathan Amos Article written by Jonathan Amos Jonathan Amos Science correspondent

UK space sector 'on the up'

12:47 UK time, Friday, 27 January 2012

If you want to get a sense of how good the British space sector feels about itself right now, take a look at the shiny new building that's just gone up on the Surrey Research Park.

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Richard Black Article written by Richard Black Richard Black Environment correspondent

Special Reports

Hurricane IsabelFrom BBC Science: 23 Degrees

Filming the weather of Earth for a full orbit

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