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Preventing 1 case of HIV could save $338,400

Preventing just one person at high risk from contracting HIV could save from $229,800 to $338,400, depending on the continuity of treatment.

Bluebird moms can make competitive sons

Female bluebirds can produce more or less competitive sons by influencing the amounts of hormones in their eggs, say biologists.

How tiny wires trap a ‘tornado’

Wires only a billionth as thick as a human hair may help keep the “super” in superconductivity. Superconductors are materials that, at low temperatures, can carry electric current without the wasteful loss of energy caused by resistance.

Can alternating feast and famine boost health?

A recent clinical trial shows that a feast-or-famine diet may mimic some of the benefits of fasting. The findings also suggest that adding antioxidant supplements may counteract those benefits.

Should dentists test patients for diabetes?

Of the 29.1 million Americans living with diabetes, an estimated 8.1 million are undiagnosed. New research suggests a trip to the dentist could be an effective way to identify people who might diabetes and don’t know it.

Scientific ‘turf’ could make Earth’s crisis worse

Carving up Earth’s ecological challenges among different scientific disciplines won’t get the job done, say experts.

Malawi study links gut microbes to nutrition problems

Gut microbes may predict whether or not children will suffer undernutrition as they grow, according to a study with twins in Malawi.

Stress from bias differs among Latino teens

Stress related to discrimination has a more pronounced effect on the mental health of Latino teens born in the US to immigrant parents, as opposed to foreign-born teens, report researchers.

Is blue-green scum turning lakes into toxic pools?

Blue-green algae has become a summertime staple in lakes in North America and Europe, and scientists say pollution is likely to blame.

Brain scans show extroverts come in 2 types

When scientists scanned the brains of two types of extroverts—”people persons” and “go-getters”—they found similarities, but also distinct differences in their brain anatomy.

Why biology teachers need to think about faith

Future high school biology teachers need to prepare for questions about evolution—and that may mean talking about the intersection of faith and science.

Dangerous ‘rat lungworms’ show up in Florida snails

A parasite that can make humans and animals sick is colonizing several species of snails in Florida. Scientists made the discovery after an orangutan being treated at the University of Florida died from eating snails that carried the parasite Angiostrongylus cantonensis, known as the rat lungworm.

Dozens of monster hurricanes hit Cape Cod in last 2,000 years

Ancient sediments from a coastal pond in Cape Cod, Massachusetts, show that enormous storms have battered the region for 2,000 years.

Are patent trolls good for innovation?

Patent trolls are much maligned, but they may have surprising benefits for investors and the innovation economy.

Cold atoms and lasers do what computers can’t

In an attempt to tackle a problem that has vexed physicists for decades, researchers turned to ultracold atoms, not supercomputers.

To fix human health, focus on ecosystems

Treating human health and society as part of an ecosystem could help us overcome problems like the antibiotic crisis and the obesity epidemic, according to new research.

5 reasons women ignore heart attacks

Younger women are more likely than men of the same age to overlook the earliest signs of a heart attack.

Not all kids ‘outgrow’ math struggles

Math difficulties can appear in some children from low socioeconomic status households as early as by age two.

Finding faults at work can wear you down

Although pointing out problems and suggesting solutions can both help a company improve, employees may want to find the right mix of the two.

Are coral reefs headed for another big collapse?

La Niña-like conditions in the Pacific Ocean are closely linked to an abrupt stoppage of coral growth that lasted thousands of years.