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

Zachary Blount sits in front of a tower of petri dishes. Blount used the assembled dishes to test trillions of bacteria to see which had evolved the ability to eat a chemical called citrate. Credit: Brian Baer/Michigan State University

Follow Us
blogs & columns
multimedia
Not to miss
bookshelf