Health
The science of voodoo: When mind attacks body
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191 bird species have been added to the IUCN red list, the roster of the world's most threatened species – habitat destruction is the main reason
Now would be the worst possible time to kid ourselves that Mexican H1N1 flu is nothing to worry about
The placebo effect has an evil twin – the nocebo effect – which can make you think yourself ill, or even dead
This week's Feedback reveals the winning inventions from our Wallace and Gromit competition, including a duvet that your spouse can't steal and all-weather spectacles