Humans
- Genetics
Farmers assimilated foragers as they spread agriculture
While some European hunter-gatherers remained separate, others mated with the early farmers that introduced agriculture to the continent.
- Humans
Could the menstrual cycle have shaped the evolution of music?
A new study suggesting that women select better musicians shows how women’s role in evolution is being redefined.
- Health & Medicine
Enzyme may help aspirin protect against colon cancer
Aspirin may not reduce colon cancer risk in people with low levels of a protective enzyme called 15-PGDH.
- Neuroscience
Pain curbs sex drive in females, but not males
When in pain, female mice’s interest in sex takes a hit but males still want to mate.
- Health & Medicine
Babies cry at night to prevent siblings, scientist suggests
Babies who demand to be breastfed in the night might be delaying the birth of a sibling, scientist proposes.
- Genetics
Neandertal, modern human DNA deviates even more
An analysis of genetic material of Neandertals and modern humans shows genetic differences in the species' population sizes and even the curves of their spines.
- Environment
Lead levels in ancient Rome’s water were high, but not toxic
Ancient Romans probably drank tap water with up to 100 times more lead than the levels found in local spring water.
- Neuroscience
Bingeing rats show the power of food habits
Rats allowed to binge on sweetened milk show a bad habit for food. But while food might change our habits, a bad food habit may not necessarily be an addiction.
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- Health & Medicine
Unsolved drugs
Long thought to launch precision attacks against bacteria, antibiotics may also cause lethal collateral damage, according to a controversial theory. Exploring how these compounds kill may reveal new ways to fight antibiotic resistance.
- Health & Medicine
Gene variant, processed meat linked to boost in cancer risk
In people with a specific variation of a gene on chromosome 10, eating processed meat is associated with an increased risk of developing colon cancer.
- Neuroscience
Poor slumber is bad for young flies’ brains
A child's sleep deprivation could alter brain development and adult behavior, a study of fruit flies suggests.
