The author (second from left) with her uncle Thanassis Kakissis (far left), sister, Amalia, and father, Giorgos, during a family visit to Athens in 1979. Courtesy of Joanna Kakissis hide caption

itoggle caption Courtesy of Joanna Kakissis

Georg Kapsch, President of the Federation of Austrian Industry, holds an issue of The Economist during a news conference in Vienna last year. Britain's Pearson PLC says it's in talks to sell its 50 percent share in The Economist Group. Heinz-Peter Bader/Reuters/Landov hide caption

itoggle caption Heinz-Peter Bader/Reuters/Landov

A shop owner arranges his goods in central Athens on Monday. Greek banks have reopened, but capital controls remain in place. Angelos Tzortzinis/AFP/Getty Images hide caption

itoggle caption Angelos Tzortzinis/AFP/Getty Images

Greek Prime Minister Alexis Tsipras listens to Finance Minister Euclid Tsakalotos as Justice Minister Nikos Paraskevopoulos looks on during a parliamentary session in Athens on Thursday. Yiannakis Kourtoglou/Reuters/Landov hide caption

itoggle caption Yiannakis Kourtoglou/Reuters/Landov

An Islamic manuscript, which has been identified as one of the world's oldest fragments of the Quran, is seen at the University of Birmingham in the U.K. Courtesy of Cadbury Research Library, University of Birmingham hide caption

itoggle caption Courtesy of Cadbury Research Library, University of Birmingham

British actress Zawe Ashton and Agnes Pareyio, who underwent female genital mutilation as a girl in Kenya, are two of the activists featured in "Stop Cutting Our Girls," a documentary opposing the practice. Pontso Mafethe/Courtesy of Pontso Mafethe hide caption

itoggle caption Pontso Mafethe/Courtesy of Pontso Mafethe

Nigel Richards, seen here at a Scrabble tournament last winter, won the French-language Scrabble championships Monday. He began studying the French Scrabble dictionary in May. Yui Mok/PA Photos /Landov hide caption

itoggle caption Yui Mok/PA Photos /Landov

For 3-D food printers, chocolate is a good material to start with, because it's fairly simple to make it liquid inside the printer cartridge and solid once it drops out. Courtesy of Smart Gastronomy Lab, University of Liège hide caption

itoggle caption Courtesy of Smart Gastronomy Lab, University of Liège