Humans
We summarize the week's scientific breakthroughs every Thursday.
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- Health & Medicine
New brain cell growth restores function
Regeneration in the hippocampus helps repair learning and memory after injury, mouse experiments suggest.
- Humans
Climate meddling dates back 8,000 years
Cutting down trees put lots of carbon into the atmosphere long before the industrial revolution began.
- Life
DNA flaws can stack up as cancer grows
Acute myeloid leukemia progresses by accumulating various mutations, according to an analysis of one man’s disease over time.
- Humans
Noise is what ails beaked whales
Large-scale experiments reveal a sensitivity to sonar, apparently at lower levels than other species.
- Health & Medicine
Obesity messes with the brain
Excess weight may compromise memory and concentration, possibly by spurring inflammation that damages white matter.
- Health & Medicine
Body & Brain
Handling fruit can throw off blood-glucose tests, plus an autism gene and itchy feelings in this week’s news.
- Humans
Go east, ancient tool makers
New finds put African hand ax makers in India as early as 1.5 million years ago.
- Humans
A new glimpse at the earliest Americans
Along a stream in central Texas, archaeologists have found a campsite occupied at the tail end of the Ice Age.
- Health & Medicine
Gene therapy for Parkinson’s advances
Brain surgery to insert genetic cargo improves movement in some patients, a study shows.
- Life
Brain chemical influences sexual preference in mice
Males lacking the neurotransmitter serotonin court both sexes equally, researchers are surprised to find.
- Life
Who felt it not, smelt it not
A genetic defect in a crucial protein stops both pain and smells from reaching the brain.
