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BUMPOLOGY

Breastfeeding by creating a vacuum The way babies suck on the nipple looks painfully like chewing, but new ultrasound images show that the infant actually removes milk by creating a vacuum. The finding could explain why some babies fail to take to the breast

GLOBAL WARMING

Earth too hot for humans by 2300 Climate change could make much of the world too hot for us within just three centuries, according to a model of long-term warming that predicts temperature increases of 12 °C

ENVIRONMENT

Sun sets on 2010 biodiversity targets Animal populations have dropped by 30 per cent in 40 years, species are moving closer to extinction and many natural habitats continue to decline in size. The UN Global Biodiversity Outlook report says the Convention on Biological Diversity has failed

ZOOLOGGER

Attack of the parasite clones It may be just 1 millimetre long, but the wasp Copidosoma floridanum is the source of an army of genetically identical parasites – complete with kamikaze shock troops

BLOG

Dictionary definition of ‘siphon’ wrong for 99 years The Oxford English Dictionary, and apparently pretty much every other dictionary, has contained the same glaring mistake for nearly a century – what other science words are ill-defined?

TECHNOLOGY

Transistors controlled by fuel of life Metabolism relies on the molecule ATP to work – and so does a new carbon-nanotube transistor. The device could one day lead to electronic prosthetics that wire straight into the body