People who don't careor don't need to carewhat others think of them show how crucial reputation is to civilization. Understanding it could reduce crime, improve ethical behavior and rein in Wall Street excesses...
Scientists develop way to forecast worst-case tremor scenario.
Two teams of scientists have independently constructed a deadly strain of flu. Some say the results should never be published
Pressure to reduce government spending is intensifying, whereas demand for services provided by agencies such as NOAA is at an all-time high
The decrease may be a result of recent takedowns of two botnets disarmed by the FBI earlier this year
The long-term goal is to print a functioning spacecraft in a seemingly weightless environment
Ocean and climate scientist Eelco Rohling talks with Scientific American senior editor Mark Fischetti about updated calculations of sea-level rise as a function of climate change
Augumented-reality apps uncover the hidden reality all around you
Don't trust your instincts about free will or consciousness, experimental philosophers say
Species attempt to remain in their thermometric comfort zone, but climate change is far outpacing the rate at which they can adapt. Karen Hopkin reports
New genetic profiles of bedbugs help to explain how they have spread, and how inbreeding has helped them flourish
The latest research shows that climate talks must lead to more aggressive action to avoid the catastrophic effects of global warming
Two recommended tactics--improving physical activity in schools and spending more to provide healthier school lunches--are uncommon in the U.S.
Nations are racing to establish marine protected areas, but it's not clear whether many are living up to the name.
Wealthy nations have reduced contributions to global research and treatment programmes.
The job of saving humanity from extinction currently falls to no one. NASA and other organizations should take it on
In rural Nepal volunteer motorcyclists are transporting snakebite victims to medical care soon enough to cut deaths by 95 percent. Katherine Harmon reports
Drought frequency is expected to triple in the next 100 years. The resulting variability and stress for farmers could prove regionally disabling without new policy
High-quality human embronic stem cells derived without the use of animal products.
A potentially beneficial but unusual treatment for serious intestinal ailments may fall victim to regulatory difficulties