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Some tropical trees have evolved a clever way to survive drought by taking in carbon dioxide at night, allowing them to keep their pores closed during the hot daytime and conserve water. By comparing three Clusia species, researchers discovered that ...

Astronomers have discovered the first globular cluster stellar stream beyond the Milky Way, opening a new way to study dark matter in distant galaxies. These faint trails of stars trace a galaxy's gravitational structure and could eventually help ...

Scandinavian museums are trying to move beyond the familiar image of Vikings as sword-wielding male warriors, highlighting women, farmers, traders, and a far more complicated society. But the enduring popularity of the Viking myth means exhibitions . ...

Stonehenge's six-ton Altar Stone may have been carried from Scotland to Dogger Bank by glaciers before prehistoric people transported it hundreds of kilometers to Salisbury Plain. The possible multistage journey suggests remarkable organization and . ...

Physicists searching through Large Hadron Collider data found no evidence that the machine has been producing microscopic quantum black holes, but the result sharply narrows where such exotic physics could still be hiding. These hypothetical black .. ...

Ancient iron meteorites reveal that some of the Solar System's first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The finding pushes this selective planet-building ...

Lake Powell has fallen to its lowest level on record after an exceptionally dry and warm winter left the Colorado River Basin with little mountain snow to melt. Lake Mead also reached record lows, raising concerns for a river system that supplies ...

Stanford researchers have recorded the first real-time quantum jumps of sound, watching single phonons abruptly vanish from one energy state to another. The breakthrough could open new paths for quantum computing, error correction, highly sensitive . ...

Researchers observed a humpback whale mother staying beside her presumed stillborn calf for hours and possibly days off Australia's Gold Coast. She maintained eye contact and remained close to the calf in behavior resembling caregiving and nurturing. ...

Researchers have created a concrete mixture that is both stronger and capable of absorbing carbon dioxide. The best formula, combining zeolite with bamboo biochar, boosted compressive strength by 7.48% and tensile strength by 15% compared with ...