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Health & MedicineDaily drug shown effective in preventing HIV infections
After a history of controversy, preexposure prophylaxis has been demonstrated to work for HIV prevention.
By Laura Beil -
AnimalsCat-versus-virus arms race goes back millennia
Researchers have found evidence of an ancient arms race between Felis silvestris catus, the species familiar today as the domestic cat, and feline immunodeficiency virus.
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Health & MedicineEating meat officially raises cancer risk
Eating processed meats like bacon, ham and sausage causes cancer, says the World Health Organization.
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Quantum PhysicsLight mimics hotel with limitless vacancies
By mimicking a mathematician’s method for creating vacancies in a hotel with an infinite number of rooms, physicists may have found a way of increasing the amount of data that can be carried via light.