Ray Lewis, of the Baltimore Ravens, holds up the Vince Lombardi Trophy after defeating the San Francisco during Super Bowl XLVII at the Mercedes-Benz Superdome on February 2013 in New Orleans, Louisiana. The Ravens defeated the
How to Live Forever? Be a Jellyfish Hank introduces us to another amazing organism - the "immortal jellyfish," Turritopsis dohrnii - and explains how it can extend its life cycle indefinitely through a process known as transdifferentiation.
Salt works, Tequidda-n-Tessoumt, Niger - Photography by George Steinmetz - The photographer has one of those light-craft airplanes that he uses to take photos from above. His photography is absolutely fantastic!
MAMMATUS clouds are most often associated with the anvil cloud & severe thunderstorms. They often extend from the base of a cumulonimbus but may also be found under altocumulus, altostratus, stratocumulus, & cirrus clouds as well as volcanic ash clouds^