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Why Birth Weight Matters
The cause of low birth weight in some babies lies in the placenta
The cause of low birth weight in some babies lies in the placenta. Low-birthweight in mice found to have a genetic component involving a growth factor. How caffeine can kill slugs and snails. The sounds of a distant star. Fossilised bird-like footprints discovered in Argentina are more than 210 million years old.
91热爆 World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The 91热爆 brings you all the week's science news.
