Humans
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We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Body shape may affect mental acuity
Among women 65 to 79, big apples performed better than plump pears on tests of memory and reasoning.
By Janet Raloff - Health & Medicine
Antiaging protein also boosts learning and memory
An antiaging molecule also helps keep the mind sharp.
- Health & Medicine
Proteins last longer in the brain
A study in mice could lead to a better understanding of aging, Alzheimer’s and other degenerative processes.
- Health & Medicine
Critics point to flaws in longevity study
BLOG: A study showing a genetic basis for exceptionally long life in humans has come under fire from critics.
- Health & Medicine
Newly discovered antibodies may boost AIDS vaccine research
Inducing production of these potent HIV neutralizers will pose a challenge.
By Nathan Seppa -
- Health & Medicine
Fish oil may fight breast cancer
Other popular dietary supplements fail to show protection, a large study shows.
By Nathan Seppa - Earth
Africa’s bumper crop of dust
Seafloor sediments show that agriculture has greatly boosted airborne dust in the last two centuries.
By Sid Perkins - Psychology
Ancient hominids grabbed early northern exposure
Newly recovered stone tools indicate that hominids lived in chilly northwestern Europe more than 800,000 years ago.
By Bruce Bower - Health & Medicine
Protein regulator shows promise against addiction
Elevating levels of a tiny molecule in rats’ brains blunted the animals’ cocaine use.
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- Health & Medicine
Vaccine for Marburg virus passes monkey test
Tests suggest that the lethal hemorrhagic virus can be stopped if countered soon after exposure.
By Nathan Seppa