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Health & MedicineBad Blood? Old units might be substandard
Heart patients who get transfusions of donated blood that's kept more than 14 days fare worse than patients who get fresher blood.
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People move like predators
Cell phone data shows that people's daily roaming follows statistical patterns also seen in predators.
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Materials ScienceA sticky issue
Peeling off adhesive tape can be frustrating, and now researchers know why.
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AnimalsMoths’ memories
Sphinx moths appear to remember experiences they had as caterpillars, suggesting some brain cells remain intact through metamorphosis.