Humans
- Health & Medicine
Protein’s destructive journey in brain may cause Parkinson’s
Clumps of alpha-synuclein move through dopamine-producing cells, mouse study finds.
- Humans
Oldest examples of hunting weapon uncovered in South Africa
A common ancestor of people and Neandertals may have flung stone-tipped shafts at animal prey.
- Life
Ebola may go airborne
Infected pigs can transmit virus to primates without contact, a new study finds.
- Anthropology
Highlights from the American Society of Human Genetics annual meeting
Iceman’s origins, DNA fingerprinting, microRNAs and cancer risk, and growth genes and obesity risk.
- Humans
Ancient hominid had an unusual diet
A long-extinct member of the human evolutionary family had an uncommon taste for grasses and sedges.
- Health & Medicine
Infant stress linked to teen brain changes
Girls, but not boys, showed later changes in brain regions that regulate emotions.
- Humans
An ancient civilization’s wet ascent, dry demise
Cave data suggest that ancient rainfall patterns swayed the course of Classic Maya societies.
- Humans
Red state, blue state
Resizing geographic areas by population gives more accurate view of 2012 election.
- Humans
Ancient blades served as early weapons
African find reveals complex toolmaking 71,000 years ago.
- Health & Medicine
Highlights from the American Heart Association Scientific Sessions, Los Angeles, November 3-7
Multivitamins may not reduce heart attacks, two drugs could protect heart from chemo damage, and more.
- Health & Medicine
Your brain on speed dating
Activity in two regions helps calculate compatibility with potential mates.
- Health & Medicine
Statin substitutes go beyond drawing board
A new generation of cholesterol-lowering drugs might help people who can’t take the usual pills or who don’t benefit adequately from them.
