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Scientists discovered that lowered brain energy signaling in the hippocampus can lead to both depression- and anxiety-like behaviors in mice. Stress reduced ATP, a molecule important for cell energy and communication. Altering a protein called ...

An immense pocket of hot rock deep beneath the Appalachians may be a wandering relic of the breakup between Greenland and North America 80 million years ago. Researchers suggest this slow-moving "mantle wave" drifted over 1,800 km to reach its ...

Scientists discovered that more muscle and less hidden abdominal fat are linked to a younger biological brain age. Deep visceral fat appeared to accelerate brain aging, while muscle mass offered a protective effect.

Personalized algorithms may quietly sabotage how people learn, nudging them into narrow tunnels of information even when they start with zero prior knowledge. In the study, participants using algorithm-curated clues explored less, absorbed a ...

Researchers studying Yellowstone's depths discovered that small earthquakes can recharge underground microbial life. The quakes exposed new rock and fluids, creating bursts of chemical energy that microbes can use. Both the water chemistry and the .. ...

A horned native bee dubbed Megachile lucifer has been discovered in Western Australia's Goldfields. Identified while surveying a rare wildflower, the species stood out with its unusual "devilish" facial horns. DNA testing confirmed it was previously ...

Scientists have found that a mutation tied to Alzheimer's disrupts the production and quality of exosomes--tiny cell-made communication packets. Cells with the defective SORLA protein generate fewer exosomes and ones far less able to support nearby . ...

Ribosomes don't just make proteins--they can sense when something's wrong. When they collide, they send out stress signals that activate a molecule called ZAK. Researchers uncovered how ZAK recognizes these collisions and turns them into protective . ...

Scientists found that high-flavanol foods can prevent the decline in blood vessel function that occurs after prolonged sitting. Even physically fit men weren't protected unless they had consumed flavanols beforehand. A cocoa drink rich in these ...

Using a precisely aligned pair of laser beams, scientists can now hold a single aerosol particle in place and monitor how it charges up. The particle's glow signals each step in its changing electrical state, revealing how electrons are kicked away . ...