News
- 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.
- 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.
- 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.
- 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.
- 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
- 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.
- Animals
Passenger pigeon population had booms and busts
DNA says the birds recovered from hard times — until people came along.
- Life
Autoimmune diseases stopped in mice
Reprogramming immune cells may offer a way to treat autoimmune diseases without harming the body’s ability to fight infections.
- Humans
Skulls reveal Neandertal’s hodge-podge genealogy
A new analysis of ancient hominid skulls reveals a patchy anatomical start of the Neandertal lineage.
- Quantum Physics
Commercial quantum computer fails to impress in new test
Fifteen million dollar D-Wave machine runs no faster than traditional computer in head-to-head challenge.
- Neuroscience
Sunbathing may boost endorphins in the body and brain
UV light makes mice churn out a molecule that is a cousin of morphine and heroin, a finding that may explain why some people seek out sunshine.
- Environment
Triclosan may spoil wastewater treatment
Common antimicrobial could make microbes more drug resistant and less efficient at breaking down sewage sludge in municipal treatment plants.
