News
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LifeHIV hides in growth-promoting genes
The discovery that HIV can trigger infected cells to divide means scientists may need to rethink strategies for treating the virus that causes AIDS.
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Health & MedicineHidden heart rhythm problem may underlie some strokes
In two clinical studies, people who had had strokes with no trigger sometimes also had undiagnosed atrial fibrillation.
By Nathan Seppa -
AstronomyRare trio of supermassive black holes found
Three supermassive black holes residing where two distant galaxies collide offer new clues about where to look for gravitational waves.
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Science & SocietyWeapon inspection scheme would test for nukes but keep designs secret
Technique borrowed from computer science could improve weapon verification and encourage countries to agree to nuclear disarmament.