Quantcast
issue
Read articles, including Science News stories written for ages 9-14, on the SNK website.
Gait keepers

Three-dimensional scans show heel and toe depths created by a modern human while walking with a normal gait, top, and a crouched gait, middle. Ancient Laetoli footprints, bottom, display heel and toe depths much like those for a normal human gait today. Credit: Raichlen/PLoS ONE

Follow Us
blogs & columns
multimedia
Not to miss
bookshelf