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As weight loss medications become more common, Daniel Lieberman discusses the importance of preserving muscle.

There’s a growing movement to curb light pollution. It starts on your front porch.

In a sea of red brick, the Science Center and Peabody Terrace make their mark.

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Two figures stand before a large, colorful pixelated face against a yellow background.

Harvard scientists identify hundreds of genes under selective pressure.

A blue refrigerator covered with animal pictures, notes, and drawings, surrounded by greenery.

An animal’s journey from grief to love shows how much humans need each other, too.

Two colorful octopuses swim among vibrant coral and sea life in a lively underwater scene.

New Harvard research finds octopuses go beyond sight and touch to find mates.