Manchester mathematician Katie Steckles tells us about her favorite theorem and how she used it to help design a new font
Billion-dollar bridges rarely fail—whereas billion-dollar drug failures are routine
Our future will depend on finding every possible source of reliable, carbon-free energy
Recent PostsSelect Topic
If tonight's full moon appears larger and more luminous than usual, it's not because you're loony or due for a new pair of glasses. The moon, you see, orbits Earth in an ellipse with one end closer to Earth than the other; tonight's full moon corresponds closely with the orbit's perigee, the closer end of that ellipse.
An advisory panel yesterday recommended that the Food and Drug Administration (FDA) strip two popular asthma drugs—GlaxoSmithKline's Serevent and Schering Plough's Foradil—from the market.
Staggering numbers of Zimbabweans are at risk of cholera, following the deaths of 775 people and infections among more than 16,000 since August, World Health Organization officials report.
Patients with type 1 diabetes have been known to be more prone to another autoimmune disorder, celiac disease, in which gluten in wheat, rye and barley triggers an immune response that damages the small intestine or gut.
Editor's note: Marine geophysicist Robin Bell is leading an expedition to Antarctica to explore a mysterious mountain range beneath the ice sheet. Following is the tenth of her updates on the effort as part of ScientificAmerican.com 's In-Depth Report on the "Future of the Poles." McMURDO STATION, ANTARCTICA—I expected to find a piece of machinery snapping away when I rounded the corner.
A future manned trip to Mars would subject astronauts to any number of unpredictable hazards—an unprecedentedly complex launch and journey, bombardment by cosmic radiation, and, if sci-fi movies are to be believed, harassment from potentially unfriendly locals.
President-elect Barack Obama is set to tap a Nobel Prize-winning physicist, Steven Chu, as energy secretary, according to published reports.
Chu, 60, is director of the Lawrence Berkeley National Laboratory and a proponent of solar energy, biofuels and curbs on Earth-warming emissions – three features central to Obama's alt-energy and environmental platforms during the campaign.
'Tis the season to get rid of nukes? In an effort to achieve world peace and lessen the growing threat of nuclear power, a nascent group including the likes of former President Jimmy Carter, former Soviet leader Mikhail Gorbachev, Bishop Desmond Tutu and Arab League Secretary General Amr Moussa this week launched a campaign calling for the elimination of nuclear weapons.
Researchers from the University of Nevada, Reno, have discovered that coffee can be turned into an alternative fuel other than caffeine: biodiesel. And you can have your coffee and drink it too.
A new study indicates that drugs called thiazolidinediones used to control blood sugar in patients with type 2 diabetes may do more harm than good. Scientists report in the Canadian Medical Association Journal (CMAJ) that women who take the meds have reduced spine and hip bone density and have double the risk of fracturing bones if they're on the pills for more than a year.
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
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
MIND Guest Blog
Commentary invited by editors of Scientific American MindRead
Not bad science
New discoveries in animal behavior and cognitionRead
Opinion, arguments & analyses from guest experts and from the editors of Scientific AmericanRead
More than wires - exploring the connections between energy, environment, and our livesRead
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
Amphibians, reptiles, birds and mammals - living and extinctRead
The Artful Amoeba
A Blog About the Weird Wonderfulness of Life on EarthRead
Exploring and celebrating diversity in science.Read