Humans
We summarize the week's scientific breakthroughs every Thursday.
- 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.
- Health & Medicine
Gastric bypass surgery causes sugar-burning gut growth in rats
The rapid improvement in symptoms of diabetes, seen in patients before weight loss begins, may be due to changes in part of the intestine.
- Life
A flash of light implants false memories in mice
Researchers alter rodents' recollections by exciting just a few neurons.
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- Anthropology
War arose recently, anthropologists contend
Infrequent killings among hunter-gatherer groups fit a scenario of a largely peaceful Stone Age, a study concludes.
- Health & Medicine
Permanent Present Tense
The Unforgettable Life of the Amnesic Patient, H. M. by Suzanne Corkin.
- Health & Medicine
What and when babies first eat may affect diabetes risk
Children at risk of type 1 diabetes are better off waiting until 4 months of age to consume solid foods.
