Science

Shots - Health News
2:30 pm
Thu January 23, 2014

Contagious Cancer In Dogs Leaves Prehistoric Paw Prints

The sexually transmitted cancer is common in street dogs around the world.
Noel Celis/AFP/Getty Images

Originally published on Mon January 27, 2014 11:36 am

Our four-legged friends suffer from many of the same cancers that we do. But one type of dog tumor acts like no other: It's contagious.

The tumor spreads from one pooch to another when the dogs have sex or even just touch or lick each other.

"It's a common disease in street dogs all around the world," says geneticist Elizabeth Murchison at the University of Cambridge. "People in the U.S. and U.K. haven't heard of it because it's found mostly in free-roaming dogs in developing countries."

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All Tech Considered
10:04 am
Thu January 23, 2014

Weekly Innovation: A Radiation Detector In Your Smartphone

Scientists tested their radiation detection app on four smartphones, concluding that it works well enough to be a useful warning system for first responders.
Idaho National Laboratory

Originally published on Thu January 23, 2014 3:30 pm

In our Weekly Innovation series, we pick an interesting idea, design or product that you may not have heard of yet. Do you have an innovation to share? Use our form.

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Shots - Health News
7:15 pm
Wed January 22, 2014

A Growth Factor Heals The Damage To A Preemie's Brain — In Mice

A baby born too soon continues to develop and grow inside an incubator at the neonatal ward of the Centre Hospitalier de Lens in Lens, northern France.
Philippe Huguen AFP/Getty Images

A naturally occurring substance called epidermal growth factor appears to reverse a type of brain damage that's common in very premature infants.

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Shots - Health News
3:36 pm
Wed January 22, 2014

How A Little Chill In The Air Could Help You Lose Weight

Researchers say that setting your thermostat a little lower can help you burn more calories.
iStockphoto

Originally published on Fri January 24, 2014 7:11 am

When it comes to tackling obesity, eating right and staying active are usually the way to go. But a research team in the Netherlands says there's an environmental factor that might help and that is often overlooked: the cold.

We're not talking bone-chilling temperatures that'll make you shiver endlessly, but a milder cold between 62 and 77 degrees.

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Science
2:44 am
Wed January 22, 2014

Ancient And Vulnerable: 25 Percent Of Sharks And Rays Risk Extinction

Each year, 6 to 8 percent of the global population of sharks and rays gets caught, scientists say. The fish can't reproduce fast enough to keep pace
Mike Johnston Flickr

Originally published on Wed January 22, 2014 8:23 am

There are more than a thousand species of sharks and rays in the world, and nearly a quarter of them are threatened with extinction, according to a new study. That means these ancient types of fish are among the most endangered animals in the world.

This word comes from a Swiss-based group called the International Union for the Conservation of Nature (IUCN), which maintains the so-called Red List of species threatened with extinction.

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