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Researchers at UC San Diego have demonstrated that a key cellular enzyme can accurately read an eight-letter genetic alphabet, doubling the four letters used by all known life on Earth. Detailed imaging revealed that RNA polymerase handles synthetic ...

Scientists have overturned a leading explanation for why male and female bonnethead sharks have differently shaped heads. Instead of males developing a pointed snout at maturity, both sexes actually begin with more pointed heads that become rounder . ...

A substance found in edible sea squirts appeared to reverse several signs of aging in older mice. Plasmalogen supplements improved memory and learning, strengthened connections between brain cells, reduced inflammation, and even helped the mice grow ...

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 .. ...

A giant iceberg measuring more than 76 square kilometers broke from Greenland's Petermann Glacier in August 2026, marking the Arctic's largest glacier calving event since 2020. The berg later slammed into Joe Island but survived without breaking ...

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 ...

A newly discovered microbe living inside ancient stromatolite communities may offer a rare look at how complex life first emerged. Researchers captured the first direct images of an Asgard archaeon physically connected to a bacterium, with the two .. ...