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You lose more weight if you have ‘brown’ fat

In a new study, researchers show that neurons controlling hunger and appetite in the brain also control the “browning” of white fat.

Blue light sets off ‘battle’ in your eyeball

Researchers have teased apart the separate biological responses of the human eye to blue light, revealing an unexpected contest for control.

Tarantula venom probe shows neurons in action

A cellular probe that combines a tarantula toxin with a fluorescent compound can help scientists observe electrical activity in neurons and other cells.

How the flu gets cells to crack open its shell

The flu virus has a clever way to trick cells into cracking open its shell and releasing its genetic code.

School tests fail to catch teen hearing loss

Teenagers are routinely given hearing tests at school, but those tests aren’t very good at identifying high-frequency hearing loss, which comes from headphones and loud noises.

Tea Party conservatives differ on foreign policy

As the 2014 midterm elections draw closer, a political scientist says that traditional conservatives and their tea party counterparts may have different concerns and motivations regarding foreign policy.

Knowing how you feel could have health perks

People who pay more attention to their feelings and experiences tend to have better cardiovascular health, a new study suggests.

There’s zero chance you’ll see a megalodon

Scientists are officially debunking the myth that megalodon sharks still exist. The whale-eating monsters became extinct about 2.6 million years ago.

Approved therapy tested on autoimmune diseases

Laboratory tests of an approved therapeutic suggest it may treat symptoms of autoimmune diseases such as type-1 diabetes and multiple sclerosis.

Can subliminal messages improve old age?

Subliminal messages containing positive stereotypes about aging can improve older adults’ physical functioning for several weeks, according to a new study.

The perfect gap turns nanoparticles into sensors

Scientists have figured out the optimal gap needed between two gold nanoparticles to turn them into optical antennae.

Maintenance beats detox for opioid addicts

Buprenorphine maintenance therapy works better than detox for treating patients with prescription opioid dependence in primary care, new research shows.

What the 1918 ‘Spanish flu’ tells us about Ebola

The 1918 influenza virus killed 50 million people worldwide, and now scientists are hoping to apply the lessons learned to fight diseases like Ebola.

Touch a receipt and you’ll absorb tons of BPA

You may want to think twice about handling a cash register receipt, especially if you’ve just slathered on some hand sanitizer or lotion.

Not all scientists are great at sharing

Astronomers and geneticists are good at sharing, report researchers, who say ecologists may need a brush-up on the concept.

When hospitals merge, patients often pay the price

While more and more US hospitals are consolidating medical groups and physician practices to be more efficient, a new study finds the practice often backfires and increases the cost of patient care.

Does toxic air raise a child’s risk for autism?

Children exposed to certain types of air pollution during pregnancy and early in life are more likely to develop autism, according to a study of families living in Pennsylvania.

Scientists are skeptical of ‘brain games’ for older adults

Nearly 70 scientists have issued a statement saying they’re skeptical about claims that computer-based “brain games” actually help older adults sharpen their mental powers.

Feathers have ‘custom’ shafts for flight

The shafts of feathers are made of a multi-layered fibrous composite material—a lot like carbon fiber—that lets the feather bend and twist in flight.

Teens who eat a hearty breakfast skip the snacks

Teenagers who eat breakfast, particularly one high in protein, are less likely to crave junk food later, and scientists say a boost in the brain chemical dopamine may help explain why.