A new treatment for debilitating nightmares offers sweeter dreams

For people haunted by recurring nightmares, untroubled sleep would be a dream come true. Now in a small experiment, neuroscientists have demonstrated a technique that, for some, may chase the…

Clumps of human nerve cells thrived in rat brains

To coax human nerve cells in a laboratory to thrive, there are three magic words: location, location, location. Many experiments grow human nerve cells in lab dishes. But a new…

Why traumatic brain injuries raise the risk of a second, worse hit

In a football game on September 25, Miami Dolphins quarterback Tua Tagovailoa got the pass off but he got knocked down. Fans watched him shake his head and stumble to…

‘Wonderful nets’ of blood vessels protect dolphin and whale brains during dives

If you look at parts of the circulatory system of whales and dolphins, you might think that you are looking at a Jackson Pollock painting, not blood vessels. These cetaceans…

Emily Jacobs wants to know how sex hormones sculpt the brain

When Emily Jacobs embarked on a career studying the brain in the early 2000s, a technique called functional magnetic resonance imaging, or fMRI, was having a moment. “Just like we…

An AI can decode speech from brain activity with surprising accuracy

An artificial intelligence can decode words and sentences from brain activity with surprising — but still limited — accuracy. Using only a few seconds of brain activity data, the AI…

An AI can decode speech from brain activity with surprising accuracy

An artificial intelligence can decode words and sentences from brain activity with surprising — but still limited — accuracy. Using only a few seconds of brain activity data, the AI…

COVID-19 gave new urgency to the science of restoring smell

It was the juice that tipped him off. At lunch, Ícaro de A.T. Pires found the flavor of his grape juice muted, flattened into just water with sugar. There was…

Sleep deprivation may make people less generous

Lack of sleep has been linked to heart disease, poor mood and loneliness (SN: 11/15/16). Being tired could also make us less generous, researchers report August 23 in PLOS Biology.…

An hour after pigs’ deaths, an artificial system restored cellular life

Call it cellular life support for dead pigs. A complex web of pumps, sensors and artificial fluid can move oxygen, nutrients and drugs into pigs’ bodies, preserving cells in organs…