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

A simulation shows how fluid flow (in this case, from bottom to top) can lead to deep penetration in a rock and, eventually, a cave. At first (lower panel) channels begin developing almost equally, but over time (upper panel) certain channels gain in size at the expense of others. Credit: Piotr Szymczak and Tony Ladd

Follow Us
blogs & columns
multimedia
Not to miss
bookshelf