EnvironmentMeltwater may fracture Antarctic ice shelves and speed sea level rise Most of the ice shelves buttressing Antarctica鈥檚 ice sheets risk fracturing as meltwater trickles into cracks on their surface, which could accelerate sea level rise 快猫短视频
LifeThe invisible superpower that helped dinosaurs conquer the world From beginnings as skulking, cat-sized reptiles, dinosaurs came to rule Earth for 100 million years 鈥 but how? Their secret wasn鈥檛 teeth or claws, but something deep inside them Features