Subscription Center
Agricultural chemicals affect invertebrates in streams and soil, even at "safe" levels
Researchers disagree over the whens and wheres of canine domestication
An interactive graphic charts the location and distance to 861 known exoplanets, highlighting those that might hold life
The galaxy is teeming with planets. Scientists are straining to peer into their atmospheres to seek signs of extraterrestrial life
The constant metamorphosis of junk electronic messages mirrors the evolution of the online world itself. Follow in this chapter scientists who try to stem the flow of spam and the hackers who inevitably outwit them
Editor in Chief Mariette DiChristina introduces the July 2013 issue of Scientific American
Babies born in areas with high airborne levels of mercury, diesel exhaust, lead, manganese, nickel and methylene chloride were more likely to have autism than those in areas with lower pollution
The eyes of people with neurological conditions, including ADHD and Parkinson’s, have a distinctive motion that could form the basis of clinical diagnosis
Simply controlling where and when electric cars charge could go a long way to easing any spikes in electricity demand
The protests in Turkey demonstrate the social physics of highly connected crowds
Limiting pollution in China's richer provinces has shifted polluting facilities to less prosperous areas with fewer rules
In Europe and North America, lakes are warming, which is bad news for water quality and fish
A national air sampling system tasked with picking up terrorist biological attacks faces scrutiny
The discovery of element 117 filled the last remaining gap in the periodic table as we know it. But even as it is being completed, the table may be losing its power
See what we're tweeting about
Deadline: Jul 14 2013
Reward: $1,000,000 USD
This is a Reduction-to-Practice Challenge that requires written documentation and&
Deadline: Jul 30 2013
Reward: $100,000 USD
The Seeker desires a method for producing pseudoephedrine products in such a way that it will be extremely difficult for clandestine che
Powered By: 
YES! Send me a free issue of Scientific American with no obligation to continue the subscription. If I like it, I will be billed for the one-year subscription.
