1+ week, 1+ day ago   (1184+ words) Confidence builds a sense of control, and two brain circuits turn that estimate into how much you learn from a win or a loss. When a job application disappears into silence, you have to decide whether the resume was weak…...

2+ day, 10+ hour ago   (1026+ words) Machine culture just got its first controlled test, and only one of 600 people playing on their own ever found what the AI did. Offered a sure gain now or a bigger one that costs something first, most of us take the…...

4+ day, 5+ hour ago   (1083+ words) T cells see only a small sample of the body’s proteins in the thymus, yet a machine learning model shows how they can still learn not to attack healthy tissue. A T cell finishes its training having met a small…...

4+ day, 15+ hour ago   (1077+ words) A soft jumping robot that twists itself tight under an infrared lamp, snaps its tail on the ground, and resets in mid-air to jump again. An origami paper frog jumps once. Then a hand has to pick it up, fold…...

4+ day, 14+ hour ago   (795+ words) Memory and consciousness may be encoded in the chemistry of the mesh packed around brain cells, not in the signals passing between them. Twenty years after you last heard it, a song comes on and the memory arrives with the…...

5+ day, 13+ hour ago   (1039+ words) AI chatbot politics shifted toward the user's declared side in all 21 models tested, and training that rewards agreement is why. Give an AI chatbot a political statement about welfare and its response may seem calm and even-handed. Now tell it…...

6+ day, 12+ hour ago   (928+ words) A massive genetic study found more than 1,000 DNA differences linked to human personality, revealing how genes help shape the Big Five traits. Personality can feel deeply personal, shaped by everything from childhood experiences to the way someone handles stress. But…...

6+ day, 16+ hour ago   (1019+ words) A thousand AI agents reached the same answer without being told to agree, revealing how groups of AI can spontaneously follow the crowd. Companies are starting to use groups of AI agents to work together instead of relying on one…...

6+ day, 14+ hour ago   (928+ words) Students are searching Google less for physics questions as researchers find signs that many are turning to AI chatbots for answers instead. For about 20 years, a student stuck on a physics problem late at night has opened a search box…...

1+ week, 15+ hour ago   (690+ words) In 1959, engineers at a U.S. Army laboratory built a device that amplified and routed signals using nothing but jets of air. More than six decades later, that half-forgotten technology is driving a quiet revolution in robotics. A team at King’s College…...