6,745 results
- Humans
North African Diaspora written in genes
DNA analysis of people from 15 groups identifies distinct groups and migrations.
- Life
Killer whale mama’s boys live longer
Survival benefits may explain females’ extended life span following menopause.
- Health & Medicine
Test drug eases behavioral symptoms seen in autism
In mouse experiments, the compound curbs repetitive behaviors and improves sociability.
- Life
Study shows where identical twins part ways
By birth, genetic doubles are already using their DNA differently.
- Life
Oldest mites in amber discovered
Two new species of arthropods found in 230-million-year-old fossilized resin show similarities to modern-day species.
- Life
DNA hints at polar bears’ Irish ancestry
Mitochondrial genetic analysis suggests a bit o’ hybridizing long ago with brown bears on the Emerald Isle.
- Humans
The man behind Sarcastic Rover
NASA’s newest rover, Curiosity, wasn’t alone on Mars for long.
- Anthropology
Sticks, stones and bones reveal emergence of a hunter-gatherer culture
A cave in southern Africa was occupied by people very much like those living in the region today.
- Humans
Apocalypse, not so fast
Guatemalan find suggests mention of a date far in the future served a Maya king’s immediate needs.
- Archaeology
Oldest pottery comes from Chinese cave
New dates show that East Asian hunter-gatherers fired up cooking vessels 20,000 years ago.
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Frozen Planet: A World Beyond Imagination by Alastair Fothergill and Vanessa Berlowitz
Journey with four polar denizens — polar bear, Arctic fox, Adélie penguin and wandering albatross — through seasonal changes in this companion to a BBC television series. Firefly Books, 2011, 312 p., $39.95
- Health & Medicine
Ovulation spurred by newfound semen ingredient
A common growth-boosting protein may act as a pregnancy-protecting hormone in humans.
