Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
Dietary changes accompanied human evolution
Hominids moved toward eating grasses and away from tree leaves, according to chemical analyses of fossil tooth enamel.
- Archaeology
Italians taught French wine-making
Archaeology suggests Etruscans brought the grape to Gaul.
- Humans
Couples who meet online have fine marriages
Relationship satisfaction for Internet daters is similar to that of people who find potential partners in more traditional ways.
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- Health & Medicine
Easy steps limit antibiotic-resistant infections in hospitals
Intensive care units that bathe patients and take other precautions have fewer cases of staph, a study finds.
- Health & Medicine
Mars trip would deliver big radiation dose
Curiosity instrument confirms expectation of major exposures.
- Health & Medicine
Cancer drug damages mouse hearts by slaying helpful cells
Explanation for side effect in people could provide way to avoid it.
- Health & Medicine
Underactive thyroid ups pregnancy risks
Several complications are more common in women with the condition, including gestational diabetes and cesarean births.
- Life
Response to bacterial infection depends on time of day
Mice that got Salmonella in the evening fared better than those given the microbe in the morning.
- Life
A molecular window on itch
Researchers discover chemical puppet master behind the need to scratch.
