An Untidy Wonder
For two decades a team of scientists has been trying to find out what makes a forest work.
Falling Into the Gap
A new theory shakes up earthquake predictions.
The Arrow of Disease
When Columbus and his successors invaded the Americas, the most potent weapon they carried was their germs. But why didn't deadly disease flow in the other direction, from the New World to the Old?
The Fingerprint of Creation
Cosmology rarely makes the front pages. But this past spring, thanks to satellite named COBE, an astrophysicist named George Smoot announced a discovery of truly cosmic proportions.
Wet, Wild, and Weird
Computer simulations reveal the molecular choreography behind the often bizarre behavior of H2O--nature's hardest liquid.