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Proteins could ‘detox’ pesticides and sarin gas

Scientists are developing a way to prevent brain damage among people exposed to poisonous chemicals found in pesticides and chemical weapons.

Do extra math and science cause dropouts?

As math and science requirements for high school graduation have become more rigorous, dropout rates across the United States have gone up, report researchers.

Fruit flies sense every wing beat to steer straight

In order to fly straight, fruit flies sense where their bodies are every time they beat their wings—one beat about every 4 milliseconds.

Gap over green spending has grown since ’92

There’s a growing rift between US citizens over environmental protection—and people seem to be taking their cues from Congress, new research shows.

Coral damage from BP oil spill is worse than we thought

Damage to coral reefs from the 2010 Deepwater Horizon oil spill in the Gulf of Mexico was even more far-reaching than originally believed.

Kids with two cochlear implants learn more words

Children with hearing loss who are fitted with a second cochlear implant early in life develop better language skills, according to a five-year study.

Scientists ‘replay’ evolution with mouse teeth

Scientists have fine-tuned the shape of a mouse tooth to recreate the gradual transitions that are visible in fossil records.

Rice genome could answer the ’9 billion-people question’

Researchers have sequenced the complete genome of African rice, a hardy crop that could help feed the world’s growing population.

Should docs steer smokers to e-cigarettes?

More doctors are recommending electronic cigarettes to their patients as a way to stop smoking, but rarely have consistent information about their safety, new research suggests.

Tiny helicopters can’t out-hover hummingbirds

The spinning blades of micro-helicopters are about as efficient at hovering as the average hummingbird, which have had more than 42 million years of natural selection to hone their energetically efficient flight.

Could a blood test predict suicide risk?

A simple blood test may be a reliable way to screen people for suicide risk. The test looks for changes in a gene that helps the brain manage stress and control impulsive behavior.

To test TV ads, watch 16 people’s brainwaves

By analyzing the brainwaves of 16 people as they watched mainstream television, researchers were able to accurately predict the preferences of large TV audiences, up to 90 percent in the case of Super Bowl commercials.

Depressed preschoolers still suffer years later

Children diagnosed with depression in preschool are 2.5 times more likely to have the condition in elementary and middle school, report researchers.

Can patients with cancer risk handle false positives?

Many people who undergo preventative computerized tomography (CT) lung screenings receive positive results on the screening test, only to find out that they’re actually cancer-free.

Moms teach babies the smell of fear

Anxious mother rats give off an odor that teaches their newborn babies to be afraid. Researchers studied mother rats who had learned to fear the smell of peppermint and saw them teach this fear to their babies in their first days of life by using an alarm odor that is released during distress.

Minority colleges get a bad rap for graduation rates

A new study challenges the notion that minority students are less likely to complete their undergraduate degree if they attend minority-serving colleges and universities.

Gel fights breast cancer with fewer side effects

A tamoxifen gel applied to the breast may work as well as a pill form of the drug to slow the growth of cancer cells.

Tropical flies show resilience in ‘desert’ tests

Some sensitive rainforest-restricted species may survive climate change, but only if the change isn’t too fast or dramatic, according to a new study with flies.

Patients with dementia get more pacemakers

Patients with dementia are more likely to have pacemakers implanted for irregular heart rhythm, such as atrial fibrillation, than are people without cognitive difficulties.

Facial features can make or break first impressions

Scientists say it’s possible to predict first impressions based on different facial features, such as eye height or eyebrow width.