News in Brief Earth

Earth & Environment

Climate change brings a thirstier West and thinner polar bears, plus parsing the sun and moon's effects in this week's news

By Science News

- More than 2 years ago

Polar bears’ ice-melt diet

For polar bears, the loss of summer sea ice can be a slimming experience. The melting of ice floes eliminates resting spots and forces the bears to swim substantially more.