via Yad Vashem and Archive of Modern Conflict, 2007

In September 1939, the Nazis invaded Poland. By April 1940, the gates closed on the Lodz Ghetto, the second largest in the country after Warsaw.

Throughout the war, over 210,000 people would be imprisoned in Lodz.

Among those held captive was Henryk Ross. He was a Jewish sports photographer before the Nazi invasion and worked for the the ghetto's Department of Statistics during the war. As part of his official job, he took identification photos of the prisoners and propaganda shots of Lodz' textile and leather factories.

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Poland’s First Openly Gay Mayor Gives up Limos for Bikes

He’s going to cycle to all his civic duties.

Robert Biedron, Slupsk's new cycling mayor. Via Wikimedia Commons.

A newly elected mayor in Poland, Robert Biedron, has already made global headlines for being the first openly gay man to occupy the position. As the mayor of the Polish town of Slupsk, Biedron has access to three limousines, which are available to ferry him about the city. But in a decision demonstrating both fiscal responsibility and sound cardiovascular health, Biedron announced that he’s relinquishing the mayoral limousine perk and instead will use bicycles as his primary mode of transportation.

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From School Science Fairs to Designing a Smartphone App That Diagnoses Malaria

These grad students designed Lifelens, an app that lets you snap picture of a blood sample to determine if it's infected with malaria.

What if you could take a picture of a blood sample with your smartphone and have an app tell you if someone has malaria. That's exactly what Lifelens, a breakthrough technology project designed by five young recent college grads and graduate students is able to do. Given the mortality rates of malaria across the developing world, the technology has the potential to save millions of lives.

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