Humans
We summarize the week's scientific breakthroughs every Thursday.
- Life
Aerobic exercise boosts memory
Regular walking improved seniors' recall and reversed declines in the size of a brain structure important for remembering.
- Humans
Amoebas in drinking water: a double threat
Analysis reveals widespread, hidden contamination by the sometimes lethal parasites.
- Health & Medicine
Prosthetics that feel
Re-creating a 'sense of touch' for prosthetic limbs may someday improve how people use them.
- Humans
Hints of earlier human exit from Africa
New finds suggest surprisingly early migrations by Homo sapiens out of Africa through an oasis-studded Arabia.
- Tech
Pint-sized Princess Leia nearer reality
Faster but fuzzier holographic 3-D teleconferencing debuts.
- Humans
Intel Science Talent Search picks top 40
High school researchers to present original work in Washington, D.C.
- Health & Medicine
Mass vaccination could slow cholera
Immunizing people at the outset of an outbreak would limit the number of cases and deaths, an analysis finds.
- Health & Medicine
U.S. lags in life expectancy gains
Among developed countries, Americans spend the most on health care even as they fall behind in extending longevity, a new study finds.
- Health & Medicine
Sleep makes the memory
Napping while reliving memories stabilizes people’s ability to recall them later.
- Psychology
Stage set early for success, or failure
Youngsters who lack self-control tend to hurtle toward a harsh rendezvous with adulthood.
- Psychology
Kids’ friendships sometimes illusory
A substantial minority of third to sixth graders think they're tight with a classmate who actually dislikes them.
- Health & Medicine
Vaccine against cocaine makes headway
Injections gin up antibodies in mice that limit the drug's effects, a new study shows.
