2

An incentive system that gave bonuses to teachers upfront, with the threat of having to give the money back if student performance didn't improve, proved effective in one study. David Franklin/iStockphoto.com hide caption

itoggle caption David Franklin/iStockphoto.com
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Encore Digitalism 0:34

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    I Love You, Dude
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    Downtown

Blitz Digitalism 1:30

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3

Watson, now 84, says sequencing helped explain his past sensitivity to certain drugs. But he didn't want to know everything his sequenced genome revealed about his health future. Courtesy of Cold Spring Harbor Laboratory hide caption

itoggle caption Courtesy of Cold Spring Harbor Laboratory
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Tunnels David Arkenstone 0:04

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    Ambient World
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Liquid Sky David Arkenstone 0:30

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4

A U.S. Predator drone flies through the night sky over Kandahar Air Field in Afghanistan. Drone strikes ordered by the Obama administration have killed more than a dozen al-Qaida leaders around the world. Kirsty Wigglesworth/AP hide caption

itoggle caption Kirsty Wigglesworth/AP
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To Wisdom, The Prize Amy Shook & Bob Butta 0:07

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    To Wisdom, The Prize
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    Introducing the Fab Trio
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49 West Blues Greg Gisbert, The Shook Russo Quartet et. al. 0:30

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    So Far from Home
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5

A medical worker from the U.S. Centers for Disease Control and Prevention works at the laboratory where Ebola specimens from the Congo were tested at the start of the latest outbreak. Stephen Wandera/AP hide caption

itoggle caption Stephen Wandera/AP
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Suite No. 5 in C Minor: Allemande Yo-Yo Ma 0:19

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    Suite No. 5 in C Minor: Allemande
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    The Cello Suites: Yo-Yo Ma Inspired by Bach (from the Six-Part Film Series)
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Suite No. 5 in C Minor: Allemande Yo-Yo Ma 1:30

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Singularity Rob Levit Trio 0:09

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M-Dive Rob Levit 0:55

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All Brothers Anat Cohen 0:13

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    Claroscuro
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    Anzic Records

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Anat's Dance Anat Cohen 1:30

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I sure hope Gabriel likes my music, when the day is done Steve Reich 0:24

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    I sure hope Gabriel likes my music, when the day is done
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    Daniel Variations
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Variations for Vibes, Piano & Strings--Fast Steve Reich 0:30

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Blooming Yoshida Brothers 0:16

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    Best of Yoshida Brothers: Tsugaru Shamisen
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Akita Obako Yoshida Brothers 0:30

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    Prism
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Chunga's Revenge Gotan Project 0:31

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    Chunga's Revenge
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    La Revancha del Tango [Bonus Disc]
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    Beggars XL

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Last Tango in Paris Gotan Project 1:40

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    Last Tango in Paris
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    La Revancha del Tango [Bonus Disc]
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17

Big East commissioner Mike Aresco answers questions from the media before an NCAA college football game. Aresco says there are no plans for the conference to change its name. Jessica Hill/AP hide caption

itoggle caption Jessica Hill/AP
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Classic Battle Sam Spence 0:10

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    Music From National Football League Films Volume IV
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Round-Up Original Soundtrack 0:55

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