Quantcast
issue
Read articles, including Science News stories written for ages 9-14, on the SNK website.
LOTS OF LEAVES
S. cheesemaniae (left) sports rather simple leaves, which branch only once. A single DNA letter difference in its genetic code appears to cause the leaves on S. galapagense (right) to fork and branch into a series of leaflets. Credit: Courtesy of Systematic Botany Monographs/D. Spooner, I. Peralta

Follow Us
blogs & columns
multimedia
Not to miss
bookshelf