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

En route through an alligator’s lungs (shown on CT scan), air skips the first bronchial branch (green) and flows through the second (blue), then moves through smaller parabronchi (light brown arrows) into the first branch and out of the body. Credit: C.G. Farmer, Science/AAAS

Follow Us
blogs & columns
multimedia
Not to miss
bookshelf