Letters to the Editor about the March/April 2011 issue of Scientific American Mind
Study shows perilous state of fish stocks as management meeting begins.
In big cities, cyclists breathe an array of pollutants from exhaust-spewing cars and trucks
Could you use an extra hand? The brain's body plan might not be limited to two arms
Child mortality rates decline as women become better educated
The miniscule water boatman makes the loudest sound for body size in the animal kingdom. Cynthia Graber reports
Marmosets living in a Brazil city park seek out quiet spots at the expense of top foraging sites. Karen Hopkin reports
Measurement of chlorophyll, sea-surface temperature and sea-surface height are being used to track the stubborn waterborne disease's next moves
The Nurses' Health Study finds that the risk of death from sudden cardiac arrest in white women can be lowered by 92 percent through lifestyle maintenance alone. Katherine Harmon reports
Growing resistance is threatening global malaria-control efforts.
Scientists pinpoint a key to sleepiness in fruit flies
Award-winning author Douglas Fox talks about his cover story in the July issue of Scientific American about the limits of intelligence, placed there by the laws of physics
People who feel what they see offer clues about how we read emotions and empathize
The Red Cross has banned chronic fatigue syndrome sufferers from giving blood. But does a virus really cause the disease?
In his new book, neuroscientist David Linden explores the biological basis of food, sex and the other things in life that bring us pleasure
The Institute of Medicine reveals a "blueprint" for relieving Americans' pervasive chronic pain