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.
Researchers created the game Foldit to simulate protein folding and used teams of online gamers to help solve the structure of an enzyme. Cynthia Graber reports
New animations show how various strains of the flu travel across the U.S. to mingle in the major hog production centers in the Midwest, suggesting strategies to monitor for future pandemics
Young children think like researchers but lose the feel for the scientific method as they age
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. Katherine Harmon reports
The online game poses protein-folding puzzles, and participants provided insights recently that solved the structure of an enzyme involved in reproduction of HIV
Help researchers study the impact of the Fukushima nuclear disaster by taking and submitting radiation readings
The round-shaped tip of a carbon nanotube fools a cell into ingesting it, to death. A rough-hewn end may fix the problem. Christopher Intagliata reports
Enthusiasm for unapproved treatments worries regulators.