Chaker Khazaal, a former refugee, felt a special duty to help the world find Azam, a Syrian refugee who went missing after being featured on a BBC news program. And it was with incredible relief that he greeted news Azam had in fact been found.
Croatia becomes the latest country to officially shut its borders to refugees. For refugees sneaking into the country, there's a major risk: abandoned landmines leftover from the Balkan wars of independence.
Hungary is doing its best to prevent refugees and migrants from the Middle East and beyond from entering its territory. Yet thousands of people are still on the move. So many are seeking routes around Hungary. One stop is the border between Serbia and Croatia.
As the Hungarian government races to install and reinforce more than 100 miles of new barbed wire fencing along the EU's southern border, each day thousands of migrants continue to pour across the frontier into the European Union.
Nikola Tesla was a visionary and a recluse with a genius for invention. He's also a hero in Serbia, where an author has created a new fictional account of Tesla's incredible life and many achievements.
Kosovo can't get recognition from the United Nations, so it's gone for digital recognition from the likes of Facebook and Google. But while it's mostly been a success, some Kosovars aren't sure that digital legitimacy amounts to much.