Science Magazine - One Issue

Glacier Bears. A newly identified polar bear population sheds light on the future

What causes long Covid? Three theories emerge.

Ocean oil slicks abounding

Piezoelectric. conductive robotic metamaterials

Pages 1241-1352

Cover: A previously unidentified population of polar bears documented on the southeast coast of Greenland uses glacier ice to survive despite limited access to sea ice. This small, genetically distinct group of polar bears displays foraging strategies that could facilitate persistence in a warming world. See pages1267 and 1333.

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