February 05/2007 National Geographic Image
Artsy Irritants
This colorized scanning electron micrograph shows pollens—Bermuda grass in green, maple in red, and ragweed in yellow—at roughly 3,000 times their itchy, sneezy life size.
February 05/2007 National Geographic Image
Click To Enlarge Pictures
February 05/2007 National Geographic Image
Artsy Irritants
This colorized scanning electron micrograph shows pollens—Bermuda grass in green, maple in red, and ragweed in yellow—at roughly 3,000 times their itchy, sneezy life size.
