With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

With elevations ranging from 5000 feet with a Chihuahuan Desert ecosystem to mixed conifers at 9000 feet, the South Mogollon Rim is comprised of many diverse species of plants and animals from ducks to lizards.

At first, the back room of plant physiologist Edgar Spalding's lab at the University of Wisconsin-Madison might be mistaken for an alien space ship set straight out of a Hollywood movie. It's a room bathed in low-red light with camera lenses pointing at strange looking entities encased in Petri dishes. A closer inspection reveals the Petri dishes contain nothing alien at all, but rather very down-to-earth corn seedlings. They're grown in red light for optimal growth. They're just one of...

- Unlocking the mysteries of science in the unlikeliest of places - You never know where you might find some intrepid scientists trying to unlock some of nature's mysteries. Forest ecologist Nalini Nadkarni came up with an idea that brings science to a most unlikely place--prison! For this and more Science Nation, visit: http://www.nsf.gov/news/special_reports/science_nation/

Yosemite is one of the busiest tourist destinations in America, millions of people travel here during the summer to see the few last remaining gigantic trees. But on the southern border lies some trees that most people didn't even know existed. Here we discovered a Sugar Pine that had a trunk circumference of 19'.

Yosemite is one of the busiest tourist destinations in America, millions of people travel here during the summer to see the few last remaining gigantic trees. But on the southern border lies some trees that most people didn't even know existed. Here we discovered a Sugar Pine that had a trunk circumference of 19'.