Context This is a genuine image of a cross section of grass leaf under a microscope. No part of the leaf is "smiling" in any literal sense, of course, but the round features known as "vascular ...

Stem rust is one of the most devastating fungal diseases of wheat and historically has caused dramatic, widespread crop failures resulting in significant yield losses around the world. Stem rust ...

The high-speed Internet technology that let students in Chattanooga remotely control a microscope at the University of Southern California School of Cinematic Arts was on display Thursday at a ...