Curiosity Rover Zeroes In on Traces of Past Habitats on Mars
At 10:31 P.M. Pacific time on August 5, NASA's Curiosity rover will begin the first direct search for habitable environments on Mars
Features
Why We Help: The Evolution of Cooperation
Far from being a nagging exception to the rule of evolution, cooperation has been one of its primary architects
AIDS: Genetic Clues from HIV Elite Controllers Could Lead to Better Vaccines, Cancer Treatments
A rare group of HIV-positive individuals need no medicine to keep the virus in check. Their good fortune could point the way to more powerful treatments--and perhaps a vaccine
Is This Robo Cat the Future of Battlefield Recon?
Nimble robots like this Cheetah will help the military navigate terrain too rocky for wheels
Scientists Trek to Collapsing Glaciers to Assess Antarctica’s Meltdown and Sea-Level Rise
As glaciers collapse toward the sea, scientists struggle to figure out how fast the southern continent is melting and what that means for sea-level rise
Nobel Pursuits: Decades of Wisdom from Prizewinning Physicists
The tools of science have changed since the golden age of physics, but many of the same questions remain
Rats Laugh, but Not Like Humans
Do animals other than humans have a sense of humor? Maybe so
How to Teach Computers to Learn on Their Own
New techniques for teaching computers how to learn are beating the experts
Departments
NASA's Planetary Science Program Endangered by Budget Cuts
Genetics and Graphite Provide Scribe Fodder
50 Years Ago: Nuclear War Planning
- From the Editor
How Cooperation Influences Evolution--and the Process of Science
- Letters
Readers Respond to "A Man-Made Contagion" and Other Articles
- Advances
Do the Math: Why No Ranking System Is No. 1
Jaguars May Soon Get Critical Habitat in the U.S.
Ridding the World of the
Fact Finder: Digit Divide
Nothing to Sneeze At: Allergies May Be Good for You
Simple Wristbands May Track Seizure Risk
A Common Pesticide May Be Bad for Bugs and Brains
Why Extramarital Sex Can Kill
What Is It?
The World’s Last Worm: A Dreaded Disease Nears Eradication
How Critical Thinkers Lose Their Faith in God
Tracking Turtles from Space
Particles for Peace: Middle Eastern Countries Collaborate on an Accelerator
When Spiders Fly: Catch a Scene from Charlotte’s Web in Your Backyard
- Forum
The Real Promise of Mobile Health Apps
- The Science of Health
Perils of Newborn Screening
- TechnoFiles
The TSA's Dumb Air-Security Rules Are Not Based on Science
- Recommended
Recommended: Family Books
Recommended: Rabid: A Cultural History of the World's Most Diabolical Virus
Recommended: Soundings: The Story of the Remarkable Woman Who Mapped the Ocean Floor
Recommended: The Irrationals: A Story of the Numbers You Can't Count On
Recommended: Homo Mysterious: Evolutionary Puzzles of Human Nature
- Skeptic
What Happens to Consciousness When We Die
- Graphic Science
Global Distribution of Nobel Prizes Reflects Great Shifts in Modern History [Infographic]
