Science & Technology

All Tech Considered
2:11 pm
Fri November 8, 2013

Tech Week: Twitter Takes Off, Audie Cornish In Silicon Valley

Will It Fly? The Twitter logo decorated a post on the floor of the New York Stock Exchange on Wednesday.
Richard Drew AP

It's time for our Friday round-up of the tech and culture stories from NPR and beyond. Here we go ...

ICYMI

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The Two-Way
1:32 pm
Fri November 8, 2013

Astronomers Find Bizarre 'Lawn Sprinkler' Asteroid

These NASA/ESA Hubble Space Telescope images reveal a never-before-seen set of six comet-like tails radiating from a body in the asteroid belt designated P/2013 P5.
NASA, ESA, D. Jewitt (University of California, Los Angeles), J. Agarwal (Max Planck Institute for Solar System Research), H. Weaver (Johns Hopkins University Applied Physics Laboratory), M. Mutchler (STScI), and S. Larson (University of Arizona)

Originally published on Fri November 8, 2013 4:11 pm

Astronomers using both ground- and space-based telescopes have discovered a new kind of asteroid that sports not one, but six comet-like tails, and has been described as looking something like a rotating lawn sprinkler.

P/2013 P5 was first spotted with the Pan-STARRS 1 telescope at the top of Haleakala volcano in Maui, Hawaii, in August and then followed up with more detailed observations using the Hubble Space Telescope.

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The Two-Way
12:23 pm
Fri November 8, 2013

How Tall Is The Washington Monument? Surveyors Take To The Top

National Geodetic Survey crew members Roy Anderson, left, and Steve Breidenbach set up survey equipment used to measure the height of the Washington Monument.
National Geodetic Survey/NOAA

The National Geodetic Survey doesn't often get the opportunity to take detailed measurements of the massive stone obelisk that sits in the middle of Washington, D.C.

But a 2011 earthquake in nearby Mineral, Va., damaged the Washington Monument enough that to repair it, the tower had to be wrapped in scaffolding. That gave surveyors access to the very top of the structure.

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Animals
11:30 am
Fri November 8, 2013

The Myth of the Woolly Bear

Legend holds that the length of a woolly bear caterpillar's color bands can be used to forecast how severe the winter weather will be. The myth dates back to colonial American folklore but was popularized by a 1948 study. SciFri finds out if there's any truth to the lore, and what the caterpillar's fuzzy bristles are really used for.

Space
11:29 am
Fri November 8, 2013

India and NASA Home In on Mars

This week, India launched Mangalyaan, its first robotic mission to orbit Mars and probe its atmosphere. Only Russia, Europe, and the U.S. have successfully orbited the planet. Joan Johnson-Freese, a professor in national security affairs, and planetary scientist Bruce Jakosky discuss the Indian space program, as well as NASA's upcoming mission to the Martian atmosphere.

Your Health
11:29 am
Fri November 8, 2013

Navigating Dietary Supplement Regulations

Echinacea, vitamins, and other dietary supplements have become a $5 billion industry, but the products don't need to be pre-approved by the FDA before they go on the market. How do we know what is really in our supplements? What regulations are currently in place? How can we keep ourselves safe and informed?

Animals
11:29 am
Fri November 8, 2013

So Far, No Silver Bullet to Stop Lethal Bat Fungus

Since its appearance in the U.S. seven years ago, white-nose syndrome has decimated bat populations across eastern North America. Scientists say they've determined the culprit--a soil-dwelling fungus called Pseudogymnoascus destructans--and now they're investigating novel ways to stop it, including antifungal bacteria.

Science
11:29 am
Fri November 8, 2013

Biosecurity for the Age of Redesigned Life

Forget dissecting frogs and building potato batteries. High school students today are learning genetic engineering--and some are even redesigning life. Bioethicists and the FBI have taken note and are rethinking biosecurity for the synthetic biology revolution.

Barbershop
11:11 am
Fri November 8, 2013

Should Jonathan Martin 'Man Up' Or 'Leave It On The Field?'

Transcript

MICHEL MARTIN, HOST:

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The Salt
11:04 am
Fri November 8, 2013

Hunger Games: What's Behind Yelp's Fake Restaurant Reviews?

Originally published on Sat November 9, 2013 1:58 pm

When it comes to scouting out a new bakery, pizzeria or noodle shop, there are few review sites that compare to Yelp. In turn, the reviews left on sites like Yelp can have a big effect on many restaurants' bottom lines.

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