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Heart disease could be written on your face

New technology that uses software algorithms and a web camera can detect subtle changes in facial skin color that indicate the uneven blood flow caused by atrial fibrillation, a treatable but potentially dangerous heart condition.

Low-carb beats low-fat in weight loss study

New research adds heft to claims that low-carb diets can help people lose weight without compromising heart health.

An assembly line 3X thinner than a human hair

Researchers have realized a long-held dream of building a nanoscale “assembly line.” “It would enable us to assemble new complex substances or materials for specific applications,” says Professor Viola Vogel, head of the Laboratory of Applied Mechanobiology at ETH Zurich, Switzerland.

Hubble uncovers extreme galaxy called ‘Sparky’

Astronomers have used the Hubble Space Telescope to observe a monster galaxy that was hidden behind walls of dust.

Closing orphanages could hurt, not help, kids

More than 2 million children live in orphanages and group homes around the world, and a new study offers some encouraging data on how those children fare over time.

Ebola outbreak likely started at a funeral

The current Ebola outbreak sweeping through West Africa likely began at the funeral of a healer in Sierra Leone.

Sexual assault in college raises risk of future attacks

Women who are victims of sexual assault while in college are three times more likely than their peers to be assaulted again within a year, a new study reports.

Survey reveals anxious, glum American workers

Seven out of ten Americans say the recent recession’s impact will be permanent—that’s up from five out of ten in 2009 when the slump officially ended.

This is probably how fish evolved to walk on land

Researchers are using a living fish, called Polypterus, to help show what might have happened when fish first tried to walk out of the water.

Toxic metals in E-cigarette smoke raise red flags

While smoke from electronic cigarettes may not have cancer-causing agents, it does have higher levels of some toxic metals compared to traditional cigarettes.

Wine goes bad when microbes get ‘talking’

When wine fermentation gets “stuck,” the yeast turning grape sugar into alcohol and carbon dioxide shut down too soon—and bacteria that eat the leftover sugar spoil the wine.

Did exploding comet leave trail of nanodiamonds?

Tiny diamonds invisible to the human eye—but confirmed by microscope—add weight to a theory first proposed in 2007 that a comet that exploded over North America sparked catastrophic climate change 12,800 years ago.

Why trying to listen makes us freeze in place

To listen to someone carefully, we first stop talking and then stop moving entirely. This strategy helps us hear better because it cuts unwanted sounds generated by our movements.

Insertable gel for women could deliver HIV drug

Researchers have developed a vaginal suppository that, loaded with the antiviral drug Tenofovir, could help prevent the transmission of HIV and AIDS.

Neurons reveal the brain’s learning limit

Scientists have discovered a fundamental constraint in the brain that may explain why it’s easier to learn a skill that’s related to an ability you already have.

Monitor glaucoma with an eye implant and a phone

Lowering a patient’s internal eye pressure is currently the only way to treat glaucoma. A tiny eye implant paired with a smart phone could help doctors measure and lower eye pressure.

Possible ‘babysitter’ spotted in nest of 24 dinosaurs

A rock slab that contains the fossils of 24 very young dinosaurs and one older dinosaur suggests the older one may have been a caretaker watching over a group of hatchlings, scientists say.

Photo app screens babies for jaundice

A new smartphone app can help parents and pediatricians recognize jaundice in newborn babies. Skin that turns yellow can be a sure sign that a newborn isn’t adequately eliminating the chemical bilirubin.

Drug combo heals wounds fast with less scarring

Doctors have stumbled onto a potential new use for two approved medications. When used in combination, they heal wounds more quickly with less scar tissue.

Tectonic plates in the Pacific are not so rigid

The tectonic plate that dominates the Pacific “Ring of Fire” may not be as rigid as many scientists have assumed.