Science

Shots - Health News
11:53 am
Thu June 13, 2013

Prevention Pill Cuts HIV Risk For Injecting Drug Users

The Centers for Disease Control and Prevention says doctors should prescribe Truvada, a once-a-day pill for HIV, to help prevent infections in IV drug users.
Jeff Chiu AP

A once-a-day pill has been proven to lower the risk of getting HIV among needle-using drug addicts, just as it does among heterosexual couples and men who have sex with men.

Among 2,400 injecting drug users in Bangkok, those assigned to take a daily dose of an antiviral drug Viread, or tenofovir generically, had half the risk of getting HIV over a four-year period as those who took a placebo pill. Among those who took tenofovir faithfully, there were 74 percent fewer infections.

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Krulwich Wonders...
10:32 am
Thu June 13, 2013

Why Dolphins Make Us Nervous

Robert Krulwich NPR

What is it about dolphins? They have very, very big brains, and that makes we humans, whose brains are nothing to sniff at, nervous. We don't know what to make of them.

The latest example: On May 17 in India, the Ministry of Environment and Forests issued an order to all Indian states banning dolphin amusement parks. No leaping out of pools to catch balls, no jumping through hoops. Forcing dolphins to entertain humans, the ministry said, was morally unacceptable.

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Animals
3:34 am
Thu June 13, 2013

Fancy Feet: Wild Cheetahs Excel At Acceleration

Moyo, a 3-year-old male cheetah from South Africa, chases a lure during the Cheetah Dash event at the Animal Ark in Reno, Nev.
Kevin Clifford AP

Originally published on Thu June 13, 2013 5:02 am

Nature documentaries always go on and on about how fast a cheetah can run. Cats in captivity have been clocked at 65 miles an hour, the highest speed recorded for any land animal.

And yet, scientists know very little about how the animal runs in the wild, especially when on the hunt.

"You can look at it and say, 'Oh that's fast,' " says Alan Wilson, a veterinarian at the Royal Veterinary College, London. "But you can't actually describe what route it follows, or how quickly it's gone, or the details of [the] forces it has to exert to do that."

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Movies
4:01 pm
Wed June 12, 2013

20 Years Later, Science In 'Jurassic Park' Shows Its Age

Originally published on Wed June 12, 2013 5:56 pm

This week marks the 20th anniversary of the classic film, Jurassic Park. Michael Dhar, a science writer and contributor to the website Live Science, tells Melissa Block and Audie Cornish about how the science featured in the movie holds up to what we know about dinosaurs today.

Research News
3:20 pm
Wed June 12, 2013

AAA Study Finds Hands-Free Tech Dangerously Distracting

Originally published on Wed June 12, 2013 5:20 pm

Transcript

MELISSA BLOCK, HOST:

The connected car promises voice-activated systems that let drivers dictate emails and texts, make a dinner reservation or update their Facebook page, all while behind the wheel. Some cars already have these options. Many more are on the way. Carmakers say it's safer than fiddling around with a smartphone.

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