Early Humans—Not Climate Change—Decimated Africa’s Large Carnivores
Africa once harbored a far greater variety of large carnivores than it does today. Competition with early humans for access to prey may have brought about their decline
Features
The Discovery of Planets with 2 Suns
Astronomers are discovering distant planets that orbit two-star systems, uncovering bizarre and wondrous worlds unlike anything in our solar system
The Reading Brain in the Digital Age: Why Paper Still Beats Screens
E-readers and tablets are becoming more popular as such technologies improve, but reading on paper still has its advantages
Better Security Measures Are Needed Before Drones Roam the U.S. Airspace
Fleets of unmanned aircraft may soon scan terrain for forest fires and deliver FedEx packages. Yet drones' security flaws allow them to be readily hijacked with simple technologies
Book Excerpt: George Johnson Explores the Latest Discoveries about Cancer
Researchers have uncovered processes that make cancer even more complicated than they thought it was
How to Think about Privacy
Making sense of one of the thorniest issues of the digital age
Hot Brines Deep Underground Could Store CO2 and Generate Energy
What if we could tap vast deposits of methane-rich brine deep beneath the ocean and use the energy to cut carbon emissions?
Departments
- From the Editor
Following the Data Trail from Humble Human Beginnings to World Domination
- Letters
Readers Respond to “Do CT Scans Cause Cancer?”
- Advances
High-Energy Neutrinos Herald a New Dawn of Particle Astronomy
Arctic Pole of Inaccessibility Is on the Move
What's in Your Bacterial Aura?
Star's Vanishing Act Solves an Astronomical Mystery
Ultraviolet Illumination Warns Sea Turtles away from Fishing Nets
The BMI Is Outdated, but It Still Works
Could a Simple Ankle Sensor Help with Parkinson’s Symptoms?
Fast-Mutating Viruses Point Back to Criminal Spreaders of Disease
Independent Labs Seek Financial Shelter as Federal Funds Dry Up
Scientists Showcase the Wonders of the World at Burning Man Festival
New Energy Secretary Faces Uphill Battle in Fracking Push
Tablet Computers Help Children in Remote Villages Learn to Read
Researchers Seek Scapegoat for Lyme Disease’s Startling Prevalence
Tiny Gears Power Leaping Liftoffs
- Forum
The Future of Manufacturing Rests with Hollywood
- The Science of Health
How the Brain Gets Addicted to Gambling
- The Science Agenda
Why We Must Keep Track of Errors in Electronic Medical Records
- TechnoFiles
Hands-Free Texting Is No Safer to Use While Driving
- Recommended
Book Review: Star-Craving Mad
Book Review: Our Once and Future Planet
Book Review: Out on a Limb
Book Review: Voyager
- Skeptic
A Tale of Tax Returns and Tax Scams
- Anti Gravity
Seeing Saturn for the First Time Really Opens One's Eyes
- 50, 100 & 150 Years Ago
50, 100 & 150 Years Ago: The Greatest Inventions, up to 1913
- Graphic Science
Caffeine High: More and More Products Contain Large Doses
