News
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Well Traveled: Gene split arose early in domesticated goats
Two separate goat lineages inhabited the same site in southwestern Europe about 7,000 years ago, indicating that the extensive transport and mixing of domesticated goats began shortly after the origins of farming in the Near East.
By Bruce Bower - Math
Messiness Rules: In high dimensions, disorder packs tightest
In high dimensions, disorderly arrangements of spheres pack together more densely than orderly arrangements do.
- Tech
Teasing Apart Nanotubes: Fast-spun carbon fibers may feed an industry
Researchers have devised a way to sort carbon nanotubes by size and electronic properties.
By Peter Weiss - Health & Medicine
Life Blood: Drug stops mothers’ bleeding after births
A drug sometimes used to induce abortions can stem bleeding after childbirth.
- Humans
Smoke Out: Bartenders’ lungs appreciate ban
Pub workers in Scotland breathed easier and showed better respiratory health shortly after a nationwide ban on smoking inside public spaces went into effect.
By Nathan Seppa - Health & Medicine
Many infections tied to medical settings
More than one-fourth of skin or muscle infections that require hospitalization originate from microbes acquired in a clinic, hospital, or other medical-care setting.
By Nathan Seppa - Health & Medicine
Statins defend against fungus-caused sepsis
Cholesterol-lowering drugs called statins might reduce the risk of dying from sepsis triggered by a fungal infection.
By Nathan Seppa -
Hotel-room surfaces can harbor viruses
Rhinovirus, which is responsible for roughly half of all common colds, survives on surfaces in hotel rooms for hours and can be transferred from there to people.
By Nathan Seppa - Health & Medicine
Novel approach fights leprosy
An antibiotic typically used to fight sinus infections shows remarkable potency against leprosy.
By Nathan Seppa - Materials Science
A nanotechnology report card
Research on how nanotechnology affects human health and the environment must be expanded, a National Research Council report concludes.
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Right brain area linked to fairness
The ability to control selfish impulses in order to reject an unfair deal depends on a specific right brain area.
By Bruce Bower - Earth
Ancient hot spell is linked to copious carbon dioxide
A mineral that formed in some lakes during a lengthy and particularly warm period in Earth's past suggests that atmospheric concentrations of carbon dioxide were at that time at least triple those found in today's air.
By Sid Perkins