Designing leaves for a warmer, crowded world
The genetic controls of leaf shape could allow us to boost crop yields, meet the challenge of feeding the world and adapt to climate change.
Linda Geddes
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Can smoking ever be made safe?
Regulating cigarettes like drugs will raise the bar on the quality of evidence behind industry claims for 'healthier' cigarettes.
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Can the world cope if swine flu goes pandemic?
If an influenza pandemic is declared, investigations by New Scientist suggest that global preparedness for a pandemic is extremely patchy.
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Disease maps can turn a crisis around
New tools are coming online to enable health workers to pool knowledge and better deal with disease outbreaks.