This edition is archived.
fMRI data reveals brain activity in object recognition
In an effort to decrypt some of the most intriguing secrets of the brain, researchers have found that visual recognition of objects is not a one-step...
Nitrate fills atmosphere
Emily Elliott, an assistant professor in the department of geology and planetary science at the University of Pittsburgh, led a team of researchers in...
How Things Work: Gene Targeting
Earlier this month, biologists Mario Capecchi, Martin Evans, and Oliver Smithies split the Nobel Prize in Physiology or Medicine for their work on gene...
SciTech Briefs
Astronaut embarks on space walk On Saturday morning, astronaut Scott Parazynski stood on the end of a 60-foot robotic arm to mend a solar array. Armed...