News
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Neuroscience
Alzheimer’s disease may come in distinct forms
Mouse experiments, if confirmed in people, imply that Alzheimer’s disease treatment should be personalized.
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Astronomy
Magnetic bubbles could shield astronauts from radiation
With help from plasma and a magnet, solar storms' dangers would lessen on long space trips.
By Meghan Rosen -
Animals
Mysterious neurotoxin may help flatworms kill prey
Tetrodotoxin, the deadly chemical in pufferfish, could help flatworms transform their earthworm prey into puddles of goo.
By Beth Mole -
Neuroscience
Busy brain hubs go awry in disorders, study suggests
Schizophrenia, Alzheimer’s and other brain disorders may occur when the brain’s most active hubs are damaged.
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Life
HIV 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 & Medicine
Hidden 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 -
Astronomy
Rare 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 & Society
Weapon 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.
By Andrew Grant -
Animals
Lionfish dance can recruit partner for hunting
Slow but superb predators recruit pals for cooperative hunting, often striking in what looks like well-mannered turn taking.
By Susan Milius -
Health & Medicine
Junk food ahead of pregnancy may harm baby-to-be
Women who have poor diets in the year before conception might have a higher risk of delivering a baby preterm than do women who eat healthful foods
By Nathan Seppa -
Astronomy
Galaxy seed found from 3 billion years after Big Bang
A still-growing core of a galaxy in the early universe may help astronomers understand how massive elliptical galaxies get their start.
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Animals
Passenger pigeon population had booms and busts
DNA says the birds recovered from hard times — until people came along.
By Susan Milius