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UC San Diego scientists have created a gene therapy that goes beyond masking Alzheimer's symptoms--it may actually restore brain function. In mice, the treatment protected memory and altered diseased brain cells to behave more like healthy ones.

Over 300 million years ago, Earth experienced powerful bursts of carbon dioxide from natural sources--like massive volcanic eruptions--that triggered dramatic drops in ocean oxygen levels. These ancient "carbon burps" led to dangerous periods of ...

Scientists have uncovered a stealthy tactic used by the SARS-CoV-2 virus: one of its proteins can leap from infected cells to healthy ones, effectively tricking the immune system into attacking the body's own tissues.

Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another--an unprecedented behavior among marine mammals. This suggests a deeper social and cultural complexity in these endangered whales than scientists ...

Two Ice Age wolf pups once thought to be early dogs have been identified as wild wolves, thanks to detailed DNA and chemical analysis. Surprisingly, their last meals included woolly rhinoceros meat--an unusually large prey item--hinting that ancient ...

Exploration for deep-sea minerals in the Clarion Clipperton Zone threatens to disrupt an unexpectedly rich ecosystem of whales and dolphins. New studies have detected endangered species in the area and warn that mining noise and sediment could ...

A groundbreaking wireless implant promises real-time, personalized pain relief using AI and ultrasound power no batteries, no wires, and no opioids. Designed by USC and UCLA engineers, it reads brain signals, adapts on the fly, and bends naturally .. ...

DNA from a skull found at Newgrange once sparked theories of a royal incestuous elite in ancient Ireland, but new research reveals no signs of such a hierarchy. Instead, evidence suggests a surprisingly egalitarian farming society that valued ...

What if your old chest scans--taken years ago for something unrelated--held a secret warning about your heart? A new AI tool called AI-CAC, developed by Mass General Brigham and the VA, can now comb through routine CT scans to detect hidden signs of ...

Ancient coral fossils from the remote Seychelles islands have unveiled a dramatic warning for our future--sea levels can rise in sudden, sharp bursts even when global temperatures stay steady.