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Health & MedicineNew gel seals wounds fast
A synthetic material revs up blood clotting at low cost.
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Health & MedicineAmphetamine abusers face blood vessel risk
The odds of sustaining aorta damage are more than tripled in people who abuse or are dependent on amphetamines, a review of hospital records finds.
By Nathan Seppa -
SpaceSolar system older than estimated
A meteorite’s age has pushed back the estimated time of the solar system’s formation by almost 2 million years.
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Life‘Whispering’ gives bats the drop on prey
A stealth approach to echolocation appears to be adaptive for catching eared moths.