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.
