News
Too much and too little sleep linked to faster aging
11+ hour, 30+ min ago (1047+ words) Too little and too much sleep were linked to faster aging across multiple organs and a higher risk of disease and death. (CREDIT: Shutterstock) Sleep has long been tied to memory, mood, and heart health. A new analysis suggests its…...
Living robots could transform medicine, helping rescue missions
14+ hour, 30+ min ago (969+ words) Living biohybrid miniature robots use biology to move, sense and adapt where traditional machines struggle. (CREDIT: Tomohiro Morita, Minghao Nie, and Shoji Takeuchi) Tiny robots face a brutal problem. The smaller they get, the harder it becomes to power them,…...
Printed artificial neurons can communicate with living brain cells
1+ day, 15+ hour ago (860+ words) New printed artificial neurons can fire brain-like electrical signals and activate real neurons, opening paths for neuroprosthetics and efficient AI hardware. (CREDIT: Mark Hersam) A new kind of printed electronic neuron may bring scientists closer to machines that communicate directly…...
Customizable drinks help astronauts get nutrients they miss in orbit
20+ hour, 30+ min ago (946+ words) New research suggests fortified omega-3 drinks could help astronauts stay healthier on long-duration space missions. (CREDIT: Wikimedia / CC BY-SA 4. 0) Flat, fruit-flavored drinks may not sound like a breakthrough in spaceflight. But for astronauts headed into longer missions, they could solve…...
Physicists just debunked the idea that we're living in a simulation
22+ hour, 46+ min ago (1003+ words) New physics research argues reality contains truths no algorithm can capture, challenging the simulation hypothesis. (CREDIT: Wikimedia / CC BY-SA 4. 0) For years, the idea that reality might be a giant computer simulation has lived comfortably in science fiction, philosophy, and parts…...
Neanderthals practiced dental care 59, 000 years ago
1+ day, 11+ hour ago (981+ words) A Siberian Neanderthal molar may preserve the oldest known evidence of dental treatment, dating back 59, 000 years. (CREDIT: Wikimedia / CC BY-SA 4. 0) A deep cavity in a single Neanderthal molar from Siberia looks less like random damage and more like a deliberate…...
Groundbreaking, 3 D-printed, artificial muscles bend and twist on demand
1+ day, 14+ hour ago (709+ words) Harvard engineers created 3 D-printed artificial muscles that bend, twist, grip, and reshape when heated. (CREDIT: Lewis Lab / Harvard SEAS) The work comes from the lab of Jennifer Lewis at the Harvard John A. Paulson School of Engineering and Applied Sciences. Writing…...
Rocky planets smaller than Earth may be too small to stay habitable
1+ day, 18+ hour ago (597+ words) Study suggests rocky planets smaller than 0. 8 Earth radii struggle to keep atmospheres long enough for life. (CREDIT: Wikimedia / CC BY-SA 4. 0) While a planet can orbit around a Sun-like star and sit comfortably within its habitable zone, it could also potentially…...
Human brains decreased in size 3, 000 years ago - here's why
1+ day, 20+ hour ago (1127+ words) Human brains may have shrunk about 3, 000 years ago as collective intelligence grew, researchers suggest. (CREDIT: Wikimedia / CC BY-SA 4. 0) For most of human evolution, the story of the brain seemed to move in one direction. It got bigger. That long rise…...
The strange reason nearly all humans are right-handed
1+ day, 22+ hour ago (964+ words) Roughly nine out of 10 people favor their right hand, a pattern so common it can feel almost invisible. Yet in evolutionary terms, it is deeply strange. No other primate species comes close to showing such a strong, consistent population-wide bias....