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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.
By Susan Milius -
ComputingGoing viral takes a posse, not an army
Quality of followers, not quantity, determines which tweets will fly
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EarthMost BP oil still pollutes the Gulf, scientists conclude
Below the surface, plumes of oil are proving slow to disperse and break down.