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For the first time, scientists in California produced a fusion reaction that generated more energy than it consumed. The reaction happened at the National Ignition Facility, which was built to maintain nuclear weapons and now might help unlock clean fusion energy.
When glass frogs fall asleep, most of their red blood cells hide in their liver, giving the frogs an invisibility cloak while they rest. The discovery could provide new insight into preventing deadly blood clots in humans.
Scientists have developed an organ chip that replicates the vaginal microbiome. It could help to test drugs against microbial imbalances that make women more susceptible to sexually transmitted diseases and puts them at risk of preterm delivery.
After satellites possibly detected a massive swath of glowing ocean – “milky seas” – yacht crew members off the coast of Indonesia captured it on camera. Scientists believe the episode demonstrated how satellites can help unravel the rare phenomenon.
About 26,000 polar bears are left in the wild. But a newly identified polar bear population discovered in Greenland is less dependent on vanishing sea ice, giving some hope to the future survival for other subpopulations.