At least half of adults in developed countries have deficient levels of vitamin D, and low levels of this vitamin have been linked to bone fragility, cancer, heart disease and immune system problems...
Talk about vintage footwear—an international team of archaeologists has discovered the world's oldest leather shoe. One thousand years older than the Great Pyramid of Giza in Egypt, the 5,500-year-old shoe was perfectly preserved by the cool, dry conditions in the sheep dung–lined cave in Armenia where it was found."We thought initially that the shoe and other objects were about 600 to 700 years old because they were in such good condition," Ron Pinhasi said in a prepared statement...
A sting from a tiny bee triggers a long chain of events. In addition to promoting inflammation and inhibiting coagulation, the molecular hodge-podge that is bee venom can actually cause cells to split open...
Premature infants have a known higher risk for poor neurological development, often leading to developmental and educational issues. However, these babies, born before 37 weeks, make up a small number of any generation, and new research shows that the 40 percent of babies born any more than a week before a full 40-week term are also at higher risk for having special education needs during childhood...
When the body does not properly manage insulin levels, diabetes and other metabolic disorders are familiar outcomes. That hormonal imbalance, however, has also been linked to a higher risk for psychiatric disorders, such as schizophrenia...
NEW YORK—When it comes to brain power, we humans like to think we're the animal kingdom's undisputed champions. But in the past few decades we've had to make a lot of room on our mantle place for shared trophies...
Titan, Saturn's largest moon and the second-biggest natural satellite in the solar system, is an unquestionably interesting place. It's a world with a thick atmosphere and with lakes, fog and rainfall—only with liquid hydrocarbons rather than liquid water...
Veterans of war have been known to suffer from high incidence of post-traumatic stress disorder (PTSD), depression and traumatic brain injury in addition to any physical wounds.
Apple will start selling the iPhone 4 in the U.S., France, Germany, Japan and the U.K. on June 24, although customers can pre-order the new gadget beginning June 15 from Apple's Web site, it was announced Monday...
Doctors and other health professionals working for the U.S. Central Intelligence Agency (CIA) might have been illegally performing research on detainees after the September 11, 2001, terrorist attacks, according to a new report issued by the advocacy group Physicians for Human Rights...
STAFFBehind the scenes at Scientific AmericanRead
Anecdotes from the Archive
Anthropology in Practice
Exploring the human condition.Read
Insights into intelligence, creativity, personality, and well-beingRead
Everything you always wanted to know about raising science-literate kidsRead
Critical views of science in the newsRead
Dark Star Diaries
Explore the science behind the dog in your bedRead
News and research about endangered species from around the worldRead
Eye of the Storm
The Science Behind Extreme WeatherRead
Frontiers for Young Minds
Science by and for kids ages 8-15Read
Commentary invited by editors of Scientific AmericanRead
Climate science in a changing worldRead
Illusions, Delusions, and Everyday DeceptionsRead
Discussion and news about planets, exoplanets, and astrobiologyRead
Opinion, arguments & analyses from guest experts and from the editors of Scientific AmericanRead
Roots of Unity
Mathematics: learning it, doing it, celebrating it.Read
Adventures in the good science of rock-breaking.Read
STAFFIllustrating science since 1845Read
STAFFA science blog, sans blagueRead
The Artful Amoeba
A Blog About the Weird Wonderfulness of Life on EarthRead
Exploring and celebrating diversity in science.Read