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Puerto Rico's normally rainy season has instead brought a severe and fast-growing drought. By August 25, three-quarters of the territory was in at least moderate drought, with extreme drought covering 44 percent and some areas receiving less than 20 ...

MIT researchers have created bacterial "transistors" that can be wired together into living circuits capable of performing calculations and directing chemical signals. One day, these biological computers could coat plant roots or leaves, detecting .. ...

Slow breathing with a prolonged exhale made people more willing to take risks by changing heart activity and increasing the brain's sensitivity to rewards. The findings suggest that something as simple as controlling your breath can directly ...

Astronomers have identified a surprisingly young population of fading radio galaxies whose supermassive black holes have already switched off their powerful jets. The confirmed remnants range from about 8 to 42 million years old, suggesting many may ...

The LUX-ZEPLIN experiment has detected a rare particle interaction that looks unusually difficult to explain as ordinary background noise and appeared where dark matter might be expected. Scientists are not claiming a discovery yet, but additional .. ...

UCLA researchers have discovered two powerful influences that help guide how the human brain forms before birth. Radial glia, stem cells responsible for producing much of the cerebral cortex, change their behavior depending on how they process ...

Duke researchers developed an injectable scaffold that helped stroke-damaged brains grow new blood vessels, support nerve regrowth, and recover movement in mice. The treatment appears to work partly by recruiting the body's own immune cells, ...

Scientists have discovered a strange black "devil flower" in Thailand that lives mostly underground, steals nutrients from fungi, and looks strikingly unlike a typical plant. The newly named Thismia daemona is known from fewer than 50 individuals and ...

Morning glories may be getting caught in an evolutionary tug-of-war between surviving climate change and attracting increasingly scarce pollinators. Over just nine years, researchers found that the plants' rate of adaptation plunged by 96%, even ...

Deep beneath Mars, scientists have found evidence of enormous magmatic systems once thought to require Earth-like plate tectonics. Seismic measurements suggest molten rock repeatedly evolved and recycled itself through the Martian crust, potentially ...