Elephants Seals' 'Sleep Spiral' Helps Them Recharge And Avoid Predators While at Sea

Spiraling Into Sleep: How Elephant Seals Catch Quick Z’s During Daring Deep Dives

Elephant seals drift off to sleep while diving far below the ocean surface

Earth’s polar ice sheets lost 7,560 billion tonnes of ice between 1992 and 2020, contributing to coastal flooding and a 21 mm rise in sea level