Shankar Vedantam

It may sound like the plot of a movie: police find a young man dead with stab wounds. Tests quickly show he'd had Ebola.

Officials realize the suspects in the case, men in a local gang, may have picked up and spread Ebola across the slum. These men are reluctant to quarantine themselves and some – including a man nicknamed "Time Bomb" – cannot even be found.

This scenario actually unfolded in the West African country of Liberia in 2015. And what followed was a truly unconventional effort by epidemiologists to stop a new Ebola outbreak.

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Have you ever had a bad day at school or work or an awful commute home and then taken out your bad mood on a colleague or even your spouse? I'm going to bet you have. How's that?

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This HIDDEN BRAIN. I'm Shankar Vedantam. For many years, tech companies have been really good at innovation and making money. What they've been less good at is in hiring and keeping a diverse workforce.

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