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Homosexual men in China who seek sexual partners both on the Internet and in venues that traditionally attract homosexuals are at the highest risk of HIV transmission

Read more of the article entitled 'Sexually transmitted diseases: High-risk behaviour on the Internet '

Summaries of newsworthy papers including: Complementing IPCC, Cooling the Cretaceous greenhouse, The pulse of the San Andreas, Re-examining firefly bioluminescence, Silicon nanowires restore optical signals, How protein modules fit together, Compact synchrotron demonstrated, Pathway to breast cancer, You must remember this & Romancing the fly

Read more of the article entitled 'Behaviour: Insects' life after sex'

Summaries of newsworthy papers including: Tracking volcanic activity on the Moon, Space: How close is too close? Joined-up thinking on bird flu, Cancer: A double agent exposed, Cinderella science, A quantum-dot light switch, Ancient magma ocean under Earth's mantle?, Snowball versus slushball, Are you a man or a mouse?

Read more of the article entitled 'Transgenic cell transplants offer hope against heart-attack after attacks'

China's rapid economic development has accelerated biological invasion and more from Nature China this week

Read more of the article entitled 'Biological invasion: Calling for greener economic growth '

Summaries of newsworthy papers in Nature Geoscience including: In search of a plate boundary and Modern Arctic Ocean circulation exceptional?

Read more of the article entitled 'Global warming: Tropics expand poleward'