As Earth's air slowly trickles away into space, will our planet come to look like Venus?
Catalytic engines enable tiny swimmers to harness fuel from their environment and overcome the weird physics of the microscopic world
Pioneers in building living tissue report important advances over the past decade
Information thieves can now go around encryption, networks and the operating system
The biggest threat to global stability is the potential for food crises in poor countries to cause government collapse
Comparisons of the genomes of humans and chimpanzees are revealing those rare stretches of DNA that are ours alone
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- In Brief