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Evidence that Tamiflu reduces deaths in pandemic flu

Campaigners charge that drug companies withheld data on flu drugs because they are no better than aspirin – or a stiff whisky. Data from 2009 show otherwise


Nudge power: Big government's little pushes

Your behaviour is being manipulated – and you don't even know it. Find out how and why in our special feature


The diagnosis of mental illness needs its own therapy

Three books examine the painful birth of the latest version of the Diagnostic and Statistical Manual of Mental Disorders – and the flaws behind it


Delicate nano-flowers coaxed from simple seeds

A riotous garden of tiny structures will spring up in a few hours just by making slight changes to liquid in a glass beaker


Forget pandas – ugly animals should be protected too

It's time the gob-faced squid and taildropper slug got the attention they deserve, argues Simon Watt, creator of the Ugly Animal Preservation Society Society.


Does habitat replacement let developers off the hook?

Eco-offsetting – creating habitats to replace ones lost to development – can save wildlife, but may instead help business trump nature, says Fred Pearce


Want fewer hurricanes? Pollute the air

Cleaning up our air may have made us healthier, but it could also have boosted the number of tropical storms in the north Atlantic


New signs of language surface in mystery Voynich text

Some had dismissed the unknown script in a mysterious 15th-century illustrated text as gibberish, but statistical analysis indicates it could be a cipher


Give picked veg some light to make it better for you

Helping cabbages maintain their circadian rhythms after they have been picked could preserve their anti-cancer properties


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