A new study lifts the wrapper on the cocoa industry.
Excerpt: Mind Fixers
Balancing holiday magic with the cold, hard truth.
A childhood without affection can be devastating, even if basic needs are met.
Some neurosurgeon fans decided to investigate.
Teens may be works in progress, but they help society evolve.
Emerging photos and videos show devastation in the Caribbean and empty shelves in Florida
Short answer: Maybe, but they'd be very busy
All through the universe, not a star complex was stirring, not even Cygnus X! Merry Christmas from Popular Science.
The DNA testing service reverses course in favor of users' privacy.
A study of 29 movies suggests canine co-stars increase a breed's popularity. (Caveat: People may just be buying more dogs in general.)
Short answer: You're less distracted by your native tongue.
Babies' genomes hold clues that can save their lives, but that same information could be used in far less noble ways. Where should we draw the line?
Scientific organizations worry that a movement to grant more rights to pets could spill over to mice and lab rats.
Neurologist Tally Lerman-Sagie saw her first cases of children having seizures a decade ago, but didn't have the technology to find their cause until now.
The treatment that cured an infant of the virus last year may have put a second child into remission. The baby, doctors hope, may even be cured.
As home prices rise, owners' fertility rates climb.
The (controversial) plan will go live in early 2015.
88 percent of kids in this study were able to eat 5 peanuts after the treatment.
With a decade of war winding down, post-traumatic stress disorder is an increasingly urgent problem. Will the Army's efforts work?
Nap time, anyone?
After three months growing in the lab, it looks and acts more like a natural ear than any previous attempt.
A lawsuit over the death of a 14-year-old girl raises new questions about how much caffeine is too much--and what other nefarious factors might come into play.
Young children nearly universally seem to think that closing or covering their eyes makes them invisible to others. Cambridge researchers are finding out why.
New research strengthens the link between physical attributes and baby-making potential
Our dependence on big systems--big oil, big coal--steers us away from little ones, such as biofuel made from garbage, that are transforming communities in other countries
Studying our natural internal bacteria could help doctors cure diseases that affect millions
WHO raises H1N1 pandemic alert level to 6
With the whole world buzzing about the swine flu, vaccinations are a hot topic
Infant eating habits may jumpstart childhood obesity
Bad news for modern butterballs
Learn how to score based on birth order
Sticks and stones can break your bones but… names can make you commit crimes?
Reports out of NORAD that Santa is altering this year's route around the world raise suspicions
The Black Plague, Third Pandemic and Spanish Flu wiped out hundreds of millions; they have nothing on today's worst diseases
Arsenic-laced drinking water, lead-contaminated soils and choking air pollution are sadly just the start in some of the world's dirtiest places
Researchers find more evidence that claims of a current "plague of autism" are greatly exaggerated
Scientists discover entirely disparate regions of the brain cause dyslexia in different languages
Census study reveals sex selection also happens in U.S.
Faint at the sight of blood? Blame it on evolution
Scientists discover that babies fed with enriched formula developed higher IQs than their breastmilk-fed peers
A natural hormone boosts social skills for autistic patients
What makes life great in the golden years? Scientists shed light on the joys of longevity
A former OLPC exec moves on to make a $75 laptop
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
U.S. forces in Iraq are waging a pivotal campaign in modern warfare-combat on the first "networked" battlefield. One problem: the enemy has a few networks of its own
More than 70,000 residents have returned to the city. But is it still dangerously polluted? Experts clash over the answer
Scientists debut a computerized pistol engineered to recognize the grip of its owner
Chemical burns, ruined clothes, 11 years, half a million dollars-it's not easy to improve the world's most popular toy. Yet the success of one inventor's quest to dye a simple soap bubble may change the way the world uses color
The web is crawling with jokes, hoaxes and more insidious fakes. Digital-image experts aim to develop foolproof detection tools, but until then, seeing is not believing
Will we grow babies outside their mothers' bodies?
Scientists home in on elusive autism genes and the environmental factors that may trigger them. Can a blood test to check for autism in newborns be far behind?
Three new radio-controlled rovers are steering tech toward toy land
Stem cells heal the body by replenishing damaged cells. What happens when they go to work for cancer?
It takes more than a village to keep a virus in business.
In the dark and chatty world of avatars and assumed identities, this cybercop is a virtual Sybil, trolling for creeps and thieves.
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?
New games Fable and the Sims 2 further the cause of agent-based play.
It's the oddest trade show on Earth: a staged prison uprising designed to spotlight high-tech antiriot gadgetry.
Infertility Update: Making babies -- and birth defects?
Running shoes are laced with confusing technology. Here's how to score a perfect fit.
PopSci talks with the new reproductive technology watchdog.
Epidemiology: The government may let you have a smallpox injection, if you choose. Should you get one?
Why does hair turn gray? The matter is an issue of genetics and aging.
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.
Sports medicine: It's bowlegs from balls.
Unusual stuff invented by ordinary people: Calvin Williams wants kids to play soccer without crunching their skulls.
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.
Someone who was born blind experiences sounds, smells, and sensations while dreaming, but are their dreams visual?
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.