Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
Disputed finds put humans in South America 22,000 years ago
Brazilian site may have been home to people before the Clovis hunters.
- Health & Medicine
Heart benefits from quitting smoking outweigh weight gain
People who give up cigarettes have fewer heart problems despite gaining weight.
- Humans
Students bring home big prizes for science projects
The 2013 Intel Science Talent Search awards teens for research.
- Tech
Plastic implant replaces three-quarters of man’s skull
The polymer cranium was made using a 3-D printer.
- Humans
Intel Science Talent Search finalists show off their work
Young investigators do real research in bedrooms and garages.
- Tech
Facebook ‘likes’ can reveal users’ politics, sexual orientation, IQ
With data from thousands of volunteers, researchers connect social media activity to personal traits.
- Humans
Ancient people and Neandertals were extreme travelers
Stone Age folk were built for journeying farther than even the most active individuals today.
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- Humans
Of Mice and Man
The lab mouse is being remodeled to better mimic how humans respond to disease.
- Health & Medicine
Immune cells chow down on living brain
Microglia prune developing rat and monkey brains by eating neural stem cells.
- Health & Medicine
Baby may be cured of HIV
Only viral traces remain after prompt treatment of newborn, suggesting no working virus is left in the girl’s body.
- Health & Medicine
News in Brief: HIV may increase heart attack risk
A large study of veterans shows connection between HIV and heart attack in men.
