Science

Shots - Health News
5:57 am
Fri October 11, 2013

What Humans Can Learn From A Simple Kiss

Katherine Streeter for NPR

Originally published on Tue October 15, 2013 12:14 pm

At a basic level, kissing is a biohazard. What is love then, if not the willingness to expose yourself to a host of nasty diseases lurking in your partner's mouth?

But could kissing also be a tool with a purpose?

Psychology graduate student Rafael Wlodarski, from the University of Oxford, wanted to find out. Results from his experiments supported two of the existing hypotheses about why we kiss. First, we kiss to assess potential mates. Second, we kiss the mate we've found to maintain attachment.

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Shots - Health News
11:32 am
Thu October 10, 2013

Our Skin's Sense Of Time Helps Protect Against UV Damage

Your skin knows the time.
iStockphoto.com

We all feel the biological master clock, ticking deep within our brains, that tells us when to sleep and when to wake.

Well, it turns out that our skin cells have a circadian rhythm of their own. Researchers have found that depending on the time of day, our skin's stem cells busy themselves with different types of tasks.

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Science
10:20 am
Thu October 10, 2013

Why Is The Higgs Boson A 'Big Whoop' For All Of Us?

Originally published on Thu October 10, 2013 1:03 pm

Transcript

MICHEL MARTIN, HOST:

I'm Michel Martin and this is TELL ME MORE from NPR News. We've talked before on this program about why Latinos in the U.S. are more likely to tweet and use other social media than other Americans. Today, we're going to hear from a Latino tech leader who wants to boost the Latino presence in the science and business of technology. We'll talk about that in just a few minutes.

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The Salt
4:53 pm
Wed October 9, 2013

Fish For Dinner? Here Are A Few Tips For Sea Life Lovers

A fishmonger tosses a just-purchased fresh salmon to a colleague behind the counter at the Pike Place Fish Market in Seattle.
Elaine Thompson AP

Originally published on Fri October 11, 2013 5:00 pm

If sustainability is a top priority when you're shopping at the fish counter, wild-caught seafood can be fraught with ethical complications.

One major reason why: bycatch, or the untargeted marine life captured accidentally by fishermen and, often, discarded dead in heaps. It's one of the most problematic aspects of industrial fishing.

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Shots - Health News
4:52 pm
Wed October 9, 2013

Why Scientists Held Back Details On A Unique Botulinum Toxin

The botulism toxin comes from Clostridium botulinum bacteria, seen here in a colorized micrograph.
James Cavallini Science Source

Originally published on Tue March 18, 2014 2:51 pm

Scientists have discovered the first new form of botulinum toxin in over 40 years, but they're taking the unusual step of keeping key details about it secret.

That's because botulinum toxin is one of the most poisonous substances known. It causes botulism, and the newly identified form of it can't be neutralized by any available treatment.

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