Mosquitos began biting humans more than a million years ago | An analysis of 38 modern mosquitoes’ DNA suggests an ancestral mosquito species developed a preference for feeding on early humans between 2.9 and 1.6 million years ago,

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The German firm supplies about three-quarters of the bone cement needed in the NHS. The product is used in more than 1,000 operations a week, mostly in knee replacements, but also in some hip and shoulder replacements.

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