Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
DNA hints at African cousin to humans
Complete genetic profiles of people from three hunter-gatherer groups suggest Homo sapiens interbred with a now-extinct species on the continent relatively recently.
- Anthropology
Sticks, stones and bones reveal emergence of a hunter-gatherer culture
A cave in southern Africa was occupied by people very much like those living in the region today.
- Health & Medicine
19th International AIDS Conference
Highlights from the AIDS meeting, July 22-27, Washington, D.C.
- Health & Medicine
19th International AIDS Conference
Highlights from the AIDS meeting, July 22-27, Washington, D.C.
- Humans
Top airports for spreading germs ID’d
Major hubs with far-flung flights are most efficient at launching pandemics.
- Health & Medicine
News Briefs: Body & Brain
How deaf people process other senses, a gene variant that protects against Alzheimer's, and special cells that wrap and feed neural extensions
- Health & Medicine
Cartilage Creation
New joint tissue could keep people moving, reducing need for knee or hip replacements.
- Health & Medicine
The Brain Set Free
Lifting neural constraints could turn back time, making way for youthful flexibility.
- Health & Medicine
Ecstasy may cause memory problems
New users of club drug do worse than nonusers on one recall test.
- Humans
Maiden shows signs of TB-like infection
Molecular analysis yields clues about the immune system activity of a probable sacrificial victim.
- Humans
So long Weekly Reader . . .
I read with sadness this week that Weekly Reader is about to disappear. As much as I’ll miss the idea of the venerable Weekly Reader living on, I also have to admit to a bit of a love/hate relationship with it. This conflict developed shortly after I joined the staff here. As soon as I identified my affiliation, people frequently asked: “Science News — hmmm: Isn’t that the Weekly Reader of science?”
- Health & Medicine
Male circumcision tied to lower HIV prevalence
Clinical programs in eastern and southern Africa also seem to be changing people’s views on the operation.
