Uncategorized
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AnthropologySkulls from ancient London suggest ritual decapitations
The city’s Roman rulers had special watery places to keep the heads of military enemies or vanquished gladiators.
By Bruce Bower -
AnimalsSwimming dolphins don’t need to cheat
Dolphins swimming through bubbles burst old notion of underpowered muscles.
By Susan Milius -
LifeV-flying birds pick efficient flapping pattern
Ibises time their flaps to catch a boost from a neighbor’s wing.
By Susan Milius -
EcosystemsTrees’ growth keeps climbing with age
Older trees pack on weight faster, making them potentially the best carbon collectors.
By Meghan Rosen -
TechJellyfish-like flying machine takes off
Mimicking sea creatures instead of insects leads to better hovering, scientists find.
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AstronomyKepler’s surprise: Planet hunter also found supernovas
NASA's now-defunct Kepler space telescope captured five stellar explosions as they happened.
By Andrew Grant -
AgricultureSome bioenergy crops are greener than others
In the Upper Midwest, switchgrass trumps maize at boosting ecological health.
By Beth Mole -
Science & SocietyTracking fireballs for science
Watching a meteor race across the night sky is a romantic experience. And now it can be a scientific one as well.
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Health & Medicine‘Good bacterium’ prevents colic symptoms in newborns
Crying time was nearly halved in babies receiving the beneficial microbe.
By Nathan Seppa -
Health & MedicineGreen tea may sabotage blood pressure medication
Antioxidants in drink may keep intestinal cells from taking up drug.
By Beth Mole -
AstronomyGalaxies’ missing mass may hide in gas clouds
Vast reservoirs of previously undetected gas could account for much of galaxies’ matter, solving a cosmic mystery.
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CosmologyFrom Dust to Life
In about 300 pages, this book sums up the history of all that matters — or at least everything made of matter — from the Big Bang to life on Earth.
By Janet Raloff