Like Alaska, Like Europa
Could Jupiter's frozen moon support some arctic-like microbes?
by Robert Irion, Photography by Catherine Wagner
The Life, Death, and Life of a Tree
The only real threat the majestic redwood has ever faced is us
Internet2
A supercharged new network with true tele-presence puts the needs of science first
The Amazon Trail
Anna Roosevelt's ventures into the jungles of South America have turned up traces of human settlements far older than archaeologists ever suspected
Fire in the Brain
Can programmable implants help epileptics detect the onset of seizures?
An Embarrassment of Chimps
The U.S. is the last Western country that still uses them for medical research.