Kenyan health officials take the temperatures of passengers arriving at the Nairobi airport on Thursday. Kenya has no reported cases of Ebola, but it's a transportation hub and so is on alert. Simon Maina/AFP/Getty Images hide caption

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Shots - Health News

A Virtual Outbreak Offers Hints Of Ebola's Future

As the Ebola outbreak rages in West Africa, it is also unfolding — in a virtual sense — inside the computers of scientists trying to predict how far the outbreak will spread and when it will end.

Noel Celis/AFP/Getty Images

Planet Money

Should We Kill The $100 Bill?

Nearly 80 percent of all the U.S. currency in the world is in $100 bills. But some people want to get rid of the bill altogether.

These 1024 "kilobots" can shuffle into any shape their creator desires. Each robot is a little bigger than a quarter, standing on three little metal legs that vibrate to make it move. Courtesy of Michael Rubenstein hide caption

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The Two-Way

Do Not Fear This Giant Robot Swarm

Researchers created a swarm of 1,024 tiny robots to do their bidding. So far, the only job they're given is to arrange themselves into a shape. But future versions could perform all sorts of tasks.

Give It Away The Fray
Welcome To Frankfurt Charlie Hunter

These 1024 "kilobots" can shuffle into any shape their creator desires. Each robot is a little bigger than a quarter, standing on three little metal legs that vibrate to make it move. Courtesy of Michael Rubenstein hide caption

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Do Not Fear This Giant Robot Swarm
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Guero Bounce Galactic
Memorial Fields Yuck
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President Obama dines with Victor Fugate (from left), Becky Forrest, Valerie McCaw and Mark Turner in Kansas City, Mo. Jacquelyn Martin/AP hide caption

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Would You Share The President's Fries?
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Out On The Street Spanish Gold
Pixie George Winston
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Gulf Coast Blues & Impressions: A Hurricane Relief Benefit
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Denver's Union Station, which was remodeled to include restaurants, stores and a hotel, reopened last month. Gary C. Caskey/UPI/Landov hide caption

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Once-Dilapidated City Train Stations Enjoying A Renaissance
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Take the 'A' Train [Live] Wes Montgomery
Smoothie Song Nickel Creek
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The Rev. Willis Johnson (right) confronts Joshua Wilson, 18, as protesters block traffic during a demonstration against the death of 18-year-old Michael Brown in Ferguson, Mo., on Wednesday. Rev. Johnson convinced Wilson, one of the last holdouts in the intersection, that he should leave and avoid arrest. Sid Hastings/For The Washington Post/Getty Images hide caption

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Ferguson Pastor: This Is Not A Race Issue; This Is A Human Issue
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Sing About Me, I'm Dying Of Thirst Kendrick Lamar
Audio Pool The Album Leaf & Audio Leaf

Kenyan health officials take the temperatures of passengers arriving at the Nairobi airport on Thursday. Kenya has no reported cases of Ebola, but it's a transportation hub and so is on alert. Simon Maina/AFP/Getty Images hide caption

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A Virtual Outbreak Offers Hints Of Ebola's Future
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I Don't Want You as a Ghost Tired Pony
Sundog Kinobe
Bad Boy Mix: Who Shot Ya/Notorious B.I.G./It's All About the Benjamins Lil' Kim, The Notorious B.I.G. et. al.
Jan Lambchop
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Stormy Weather The Toughcats
Dry Morning Ethan Johns
Bittersweet Symphony The Verve