The Dinosaur Baron of Transylvania
A maverick aristocrat's ideas about dinosaur evolution turn out to have been decades ahead of their time
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...
Electrolyte Balancers Set Stage for Multicellularity
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...
MIND in Pictures: Illuminating Thoughts
New Insights into Obesity
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 Graphic Look at Obesity--Inside and Out
A new detailed picture of the biological consequences of the global weight problem, as visualized by the scientifically tuned illustrations of theVisualMD
Hair Sample Yields First Complete Genome of an Aboriginal Australian
1920s hair sample reveals Aboriginal Australians' explorer origins.
Eternal Vigilance Fingers the Flu
The influenza virus is hiding and changing in animal populations. Virologist Ab Osterhaus explains how that could make it more lethal and how we have to keep a constant eye on its development...
Mammoth Hemoglobin Could Provide Cold Comfort
Researchers recreated mammoth hemoglobin and found it delivers oxygen at ultralow temperatures, a finding that could inform blood substitutes for therapeutic hypothermia procedures. Sophie Bushwick reports...
What Will the Next Influenza Pandemic Look Like?
Predicting pandemics might still be impossible, but with millions of lives at stake, researchers are using the latest science and lessons from history to best prepare for the next big one...
Autism in Another Ape
An extraordinary baby bonobo is a rare case study for autism researchers
Recommended: The Art of Medicine: Over 2,000 Years of Images and Imagination
Books and recommendations from Scientific American
Upright and Hairless Make Better Long-Distance Hunters
If an early human wanted to chase down prey, it really helped to be upright and to lose the overheating body hair. Karen Hopkin reports
Amber Inclusions Showcase Prehistoric Feathers
Fossils could help to reveal how dino feathers first evolved.
Become part of a social-networking effort to understand and fight viral threats
Nile Crocodile Found to Comprise Two Different Species
Discovery has implications for conservation and management of the iconic species.
The Prince of Evolution: Peter Kropotkin's Adventures in Science and Politics
In his new book, Lee Alan Dugatkin tells the tale of one of the world's first modern international celebrities, whose writings shared the common thread of a scientific law of mutual aid, which guided the evolution of all life on Earth...
Baby Makes Daddy Lose Testosterone
Men in their 20s had lower levels of testosterone after fathering children than they did before becoming dads. Christopher Intagliata reports
The Eyes Have It
Eye gaze is critically important to social primates such as humans. Maybe that is why illusions involving eyes are so compelling