Tiny stone blades from Pinnacle Point Cave 5-6 in South Africa that once tipped arrows or darts represent the oldest known projectile weapons. Image: Simen Oestmo Archaeologists excavating a cave on the southern coast of South Africa have recovered remains of the oldest known complex* projectile weapons.
President Barack Obama secured a second four-year term in yesterday's vote. What is the likely outcome of that historic event on energy and environmental issues?
Simulation of an early galaxy hosting a superluminous supernova. Credit: Adrian Malec and Marie Martig (Swinburne University) A superluminous supernova may sound like a designation dreamed up by someone with a penchant for hyperbole, but such explosions are deserving of the extravagant language.
Storm-ravaged New Jersey could set off a tempest of its own on Election Day if the state lets constituents vote via e-mail and fax, cautioned a group of legal, technology and election experts during a press conference on Monday.
Image courtesy of iStockphoto/prosot-photography Health care spending increases have slowed over the past couple years. Still, we are spending some $2.6 trillion—that's trillion with a "T"—a year on health costs, which is a higher percentage of our GDP than any other developed country.
The 2012 New York City Marathon may not be televised, but it is being organized on an unofficial basis by men and women who have banded together to run anyway.
High-resolution electromechanical model of a heart; courtesy of N. Trayanova The more we learn about cancer, heart disease and Alzheimer's, the more vexingly complex they seem—and the more elusive their cures.
Downtown Manhattan: Pedal power but no electricity in the days after Sandy. Credit: Christine Gorman/Scientific American Evolutionary psychologists tell us it's human nature to search for lessons from the skies.
Source: League of Women Voters How do you know that a real-live human being is behind the past 14 weeks of blog posts exploring the individual questions posed to presidential candidates by ScienceDebate.org?
As New York, New Jersey and the rest of the northeastern U.S. come to grips with Hurricane Sandy's impact, some leaders there are realizing that two debilitating hurricanes in as many years there are a sign that infrastructure there needs rethought, not just rebuilt.Postmortem assessments of Sandy's impact should include a "fundamental rethinking of our built environment," New York Governor Andrew Cuomo said Wednesday during a press conference.
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