Skip to main content
The Exercise Paradox
Evolution

The Exercise Paradox

Studies of how the human engine burns calories help to explain why physical activity does little to control weight—and how our species acquired some of its most distinctive traits

8 hours ago — Herman Pontzer

Special Report

Infographic of the Week

Videos

Podcasts

Download MP3

Bat Chatter Is More Than a Cry in the Dark

60-Second Science - January 14, 2017 - By Christopher Intagliata02:21

Bird Feeders Attract Bird Eaters, Too

60-Second Science - January 13, 2017 - By Jason G. Goldman02:52

Adult Daughter Orcas May Trigger Moms' Menopause

60-Second Science - January 12, 2017 - By Karen Hopkin01:47

Climate Cycles Could Have Carved Canyons on Mars

60-Second Science - January 11, 2017 - By Julia Rosen02:20

GIVE A GIFT – GET A GIFT!

Give a year of Scientific American, get our 2017 Hubble Telescope Calendar Free!