New work could help design electronic devices in which heat can be guided in certain directions, minimizing heat loss ...

Mar. 23, 2026 Drone footage has revealed sperm whales headbutting each other—something scientists had only speculated about until now. Surprisingly, it’s younger whales doing it, not the giant males ...

Large language models appear aligned, yet harmful pretraining knowledge persists as latent patterns. Here, the authors prove current alignment creates only local safety regions, leaving global ...