Advances in motion-capture technology hold enormous potential as a tool for analyzing surveillance video for possible security threats
Fibbing is tough on the brain. New strategies expose liars by adding to the load
Asking people and computers what's wrong with manipulated photos may tell if there is "anybody home"
More than a third of U.S. health care employees were not vaccinated last flu season. Research shows that the unvaccinated staff have a decent chance of getting sick--and passing that infection on to at-risk patients
Childless men in a study of 135,000 AARP members had a 17 percent higher risk of death from cardiovascular disease than fathers
Copping a Latitude: Genetics Supports Idea Cultural Interaction Was More East to West Than North to South
The finding supports a case made by Jared Diamond and others that migration along the same lines of latitude in Eurasia promoted the sharing of crops, animals and technology, but that wide variations in climate found in the New World's north-to-south orientation hindered cultural exchanges
Comparative genomics shows that sodium channel and pump proteins evolved just before multicellular animals arose, implying that control of electrolyte balancing was a crucial event in life's history. Karen Hopkin reports
The nose really might "know" good from bad, even before the brain does
The government may not be doing enough to regulate contaminants in tap water
The melted down reactors are stabilizing, but the real work of repair has yet to begin. David Biello reports
Soil samples can reveal biological diversity.
Letters to the editor from the June 2011 issue of Scientific American
As obesity becomes a global health threat, scientists are discovering new details about how this complex affliction affects the body--and about the many factors that bring it on. In a partnership with theVisualMD, here is a look at the fascinating details behind this common condition
A new detailed picture of the biological consequences of the global weight problem, as visualized by the scientifically tuned illustrations of theVisualMD
1920s hair sample reveals Aboriginal Australians' explorer origins.
Surging nitrates in Asian waters could dramatically affect marine wildlife.