The Demographics of Genocide: Who Commits Mass Murder?
New research reveals that perpetrators of the genocide in Rwanda were most likely to be males in their mid-thirties.
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Quick Studies
379 posts
Brain Wiring Affects Whether You Do—or Don’t—Get PTSD
The little amygdala plays a bigger role in traumatic disorders than previously thought.
Working-Class Politicians Aren’t Always Best for the Working Class
Voters think lawmakers from humble beginnings are more likely to stick up for the little guy. They’re not.
Malaria Parasites Come of Sexual Age in Bone Marrow
The discovery could help doctors block transmission of the disease.
Warmer Parenting Makes Antisocial Toddlers More Empathetic
Loving care may be the best antidote to callous behavior in young children.
The Rise of the Nuisance Flood
Minor floods are afflicting parts of Maryland nearly 10 times more often than was the case in the 1960s.
America’s Streams Are Awash With Pesticides Banned in Europe
You may have never heard of clothianidin, but it's probably in your local river.
How Textbooks Have Changed the Face of War
War is more personal, less glorious, and more hellish in modern textbooks than in the past. But there’s still room for improvement.
NASA Could Build Entire Spacecrafts in Space Using 3-D Printers
This year NASA will experiment with 3-D printing small objects in space. That could mark the beginning of a gravity-free manufacturing revolution.