Scientists race to save the rarest ducks – in a bathtub; the pluses and minuses of melting polar ice; could a gene for speech be used to make talking chimps and how do sprinters run so fast. Show more
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Scientists race to save the rarest ducks – in a bathtub; the pluses and minuses of melting polar ice; could a gene for speech be used to make talking chimps and how do sprinters run so fast. Show more