16+ hour, 27+ min ago   (504+ words) New simulations suggest the moon may have formed almost instantly after a giant impact, not slowly from a debris disk....

1+ week, 2+ 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…...

3+ day, 16+ 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, 13+ hour ago   (727+ words) Satellite data reveal that much of the Amazon's regrowing forest is young, fragmented, and vulnerable, despite strong connections to intact forest. A new satellite-based analysis has taken the first biome-wide look at how the Amazon’s regrowing forests are actually faring....

5+ day, 21+ hour ago   (995+ words) 1.3 million plastic bottles collected in global cleanup reveal the scale of ocean pollution worldwide. A drink may be finished in minutes, but its bottle can become a much longer problem. During the 2025 International Coastal Cleanup, about 630,000 volunteers removed nearly 13.9 million…...

6+ day, 19+ 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…...

1+ week, 14+ hour ago   (1048+ words) Countries need shared plastic data so global rules can track production, chemicals, recycling, waste, and pollution more accurately. Plastic pollution can seem like a problem that starts when something is thrown away, such as a bottle on a beach or…...

1+ week, 2+ day ago   (974+ words) A new electric plasma process makes cement in seconds, uses heat more efficiently, and could reduce emissions from cement production. Cement is in the sidewalk outside your door, the foundation under your house, and nearly every bridge you drive over....

1+ week, 3+ day ago   (1111+ words) Steel, cement, aluminum, and fertilizer sit behind a fifth of global emissions, and a carbon price floor could raise $200 billion a year. In almost every large economy, making steel, cement, aluminum, and fertilizer releases large amounts of carbon, and those…...

1+ week, 6+ day ago   (1047+ words) Alzheimer's drugs can slow damage, but they can't replace lost brain cells. A new approach to neuron regeneration could change that. The Alzheimer’s drugs approved so far go after sticky protein deposits in the brain, and the best of them…...