If Smallpox Strikes Portland ...
"Episims" unleashes virtual plagues in real cities to see how social networks spread disease. That knowledge might help stop epidemics
Features
Inventor of Dreams
Nikola Tesla, the father of today's AC electrical system and other key inventions, often failed to bring his visionary ideas to real-world fruition
Taming Lupus
Teasing out the causes of this autoimmune disorder is a daunting challenge. But the payoff should be better, more specific treatments
How Did Humans First Alter Global Climate?
A bold new hypothesis suggests that our ancestors' farming practices kicked off global warming thousands of years before we started burning coal and driving cars
On the Road to Fuel-Cell Cars
Although fleets of fuel-cell prototypes are hitting the streets, basic technical and market obstacles must be hurdled before the clean, hydrogen-powered cars reach dealer showrooms
Endangered Wild Equids
Wild zebra, asses and horses are being killed for meat, medicine and money. Combined with vanishing habitats and naturally slow reproduction, such predation threatens remaining populations...
Misconceptions about the Big Bang
Baffled by the expansion of the universe? You're not alone. Even astronomers frequently get it wrong
Departments
Ask the Experts
- Letters
Letters
- Advances
Off Target
Remote-Controlled Hump
Vector without Virus
Broadband to the People
Whales on a Bender
KC & the Sunshine Cow
- Recommended
An Institution between Covers
- Skeptic
The Fossil Fallacy
- Anti Gravity
Meteorwrongs
- 50, 100 & 150 Years Ago
Building Evolution -- Typewriter Perfection -- Military Stagnation
- In Brief
Data Points: Feeling Terror, March 2005
Brief Points, March 2005
- By the Numbers
Gay and Lesbian Census
- Working Knowledge
Take My Pixel
- Insights
Behind the Hockey Stick
