A fifth of all plant species on earth are close to extinction
Thousands of new plants are being discovered every year, but the movement of agriculture and urbanisation are threatening a fifth of all species.
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New technology makes hydrogen more viable car fuel
A new technology that allows hydrogen to be stored in a cheap and practical way could be used as a carbon-free alternative to petrol a reality.
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Space hotel says it’s on schedule to open in 2012
A company behind plans to open the first hotel in space says it is on target to accept its first paying guests in 2012.
