A new study lifts the wrapper on the cocoa industry.
Excerpt: Mind Fixers
Balancing holiday magic with the cold, hard truth.
Scientific organizations worry that a movement to grant more rights to pets could spill over to mice and lab rats.
Young children nearly universally seem to think that closing or covering their eyes makes them invisible to others. Cambridge researchers are finding out why.
Infant eating habits may jumpstart childhood obesity
Learn how to score based on birth order
Arsenic-laced drinking water, lead-contaminated soils and choking air pollution are sadly just the start in some of the world's dirtiest places
The good news: Engineers have developed neat little robots that ride camels. The great news: Child jockeys are being phased out of the Middle East's racing industry. Launch Photo Gallery
Three new radio-controlled rovers are steering tech toward toy land
It takes more than a village to keep a virus in business.
Last July, 9-year-old Alex Everett received his first shot of synthetic human growth hormone--an injection he will get every night for eight years. Alex is not sick--he is short. Should we be treating stature as a medical condition?
Epidemiology: The government may let you have a smallpox injection, if you choose. Should you get one?
If you cheat on your spouse, you can't yet plead biochemistry in divorce court. But rodent-brain research sheds light on why some lovers stay, some stray.
Statistics: A study of child suicides sparks a grisly debate.
Medicine and sociology: More bad news about mama's butts.
Child development: Down's kids learn to just do it.
In this intimate interview, hear insights about Sir Ernest Shackleton and the Endurance voyage as only a devoted granddaughter can have them.
Who really stole the secret of the atom bomb? In this PopSci.com exclusive, the producer of the NOVA special tells us what it was like to be involved with this project.