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Life

Grizzly bears master healthy obesity

Tuned insulin signals explain how grizzly bears can fatten up for hibernation in the winter without developing diabetes.

Oceans

World’s largest ocean dead zone may shrink as Earth warms

North Pacific dead zone may grow smaller, not expand, as climate change weakens Pacific Ocean trade winds.

Health & Medicine

Survey catalogs what is stressing out Americans

Along with work and other responsibilities, health problems are prominent causes of stress.

Cosmology

Cosmologist’s ‘Cosmic Cocktail’ is a refreshing read

Katherine Freese shares her insights as a scientist studying dark matter and other mysterious components of the universe.