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Environment

Supercrops: Fixing the flaws in photosynthesis

Many vital crops capture the sun's energy in a surprisingly inefficient way. A borrowed trick or two could make them far more productive

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Losing weight may pollute the blood

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Success, not size 0, makes women want to eat less

Humans

Tortoise banquet: Remains of the oldest feast found

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Half a billion eggs recalled in US salmonella outbreak

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How to feel full without pigging out

Humans

Early humans were butchers 3.4 million years ago

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Fasting mothers raise potential risk for unborn babies

Earth

Early puberty in girls doubles in a decade

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Briefing: Anyone for a cloned steak and milkshake?

The sale of beef and potentially milk from the offspring of cloned cattle is causing a stir in the UK. New Scientist investigates the key issues

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Rise in childhood obesity is slowing worldwide

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Low-fibre western diets deter ‘good bacteria’

Earth

US food waste worth more than offshore drilling

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How a changing diet rules a growing baby’s guts