Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Mediterranean diet may offset genetic risk for stroke
Compared to a low-fat diet, eating fish and olive oil kept blood sugar levels lower in people with a common diabetes risk factor.
- Psychology
Ratio for a good life exposed as ‘nonsense’
A heralded calculation of people’s ability to flourish is a mathematical mirage, researchers say.
- Humans
DNA reveals details of the peopling of the Americas
Migrants came in three distinct waves that interbred once in the New World.
- Tech
Online ‘likes’ multiply themselves
Social media users swayed by previous ratings, researchers find when they randomly assign positive and negative votes.
- Health & Medicine
Camels implicated as possible hosts of MERS virus
Antibodies to a mysterious pathogen that has sickened 94 people were found in camels in Oman and the Canary Islands.
- Health & Medicine
Vaccine protects against malaria in early test
A series of shots enables volunteers to fend off a live infection by the disease-causing parasite.
- Health & Medicine
High blood glucose levels linked to dementia
Elderly people with elevated blood glucose levels are more apt to develop dementia, whether or not they have diabetes.
- Health & Medicine
Space-mapping neurons found in human brain
Grid cells may orient people in Euclidean space.
- Humans
Y chromosome analysis moves Adam closer to Eve
A pair of genetic studies has pushed back age of men's most recent common ancestor.
- Health & Medicine
Going out to lunch zaps mental focus
Sharing a midday meal with friends could lead later to errors at work.
- Anthropology
Mummified Incan teen drank, did drugs
Girl, who was sacrificed, may have been sedated by alcohol, coca leaves.
- Health & Medicine
Full moon may mean less sleep
Slumber waxes and wanes along with lunar rhythm, researchers find with people sleeping in windowless lab.
