To help boost the physical--and financial--health of Americans, the stimulus bill sent more than $122 billion to Health and Human Services. How much of that is helping to minimize visits to--and dollars spent on--the doctor?
One year ago, Congress passed and President Barack Obama signed the American Recovery and Reinvestment Act into law, which handed out billions of dollars for science, health, energy and other research. How is that money being spent?
Editor in Chief Mariette DiChristina introduces the March 2010 issue of Scientific American
Thoughts about love or sex make the mind more creative or analytical
Women with low libido get a boost from a new drug
A study in the Proceedings of the National Academy of Sciences followed a small group of high-functioning people with autism and found that they responded more to social cues when given the hormone oxytocin. Karen Hopkin reports
Recent research shows a risk to fetuses and infants
How masters of "supersuasion" can change your mind
Editor in Chief Mariette DiChristina introduces the March/April issue of Scientific American MIND
Scientists found a way to detect the order of activity in two regions of the brain using fMRI. And they found that the brain can register something as highly emotional before it actually processes what that something is. Christie Nicholson reports
Controversial revision alters diagnostic definitions.
Individuals with amygdala damage are more likely to lay a risky bet
A study in the journal NeuroQuantology found that people forced to wait, for example in line, experienced the time spent as being far less if they were amused and distracted. Cynthia Graber reports
A study in the journal Psychological Science indicates that people who had facial muscles deadened with botox had difficulty processing negative emotions. Karen Hopkin reports
Sports psychologist Patrick Cohn discusses two types of athletes, and how to deal with pressure in the days before the big game. Christie Nicholson reports
Letters to the editor from the October 2009 issue of Scientific American
A study in the journal Current Biology finds that bonobo chimps have delayed development of social behavior--which keeps them, well, nice. Karen Hopkin reports
A new study suggests that brain activity may give away dishonest intent
A study of New York City students found that phthalate exposure was linked to behavioral problems
Recent research attempts to provide a more nuanced look at the long-held view that men are more jealous of sexual infidelity than emotional infidelity. Christie Nicholson reports