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

The Rubik's Cube world championships were held in Sao Paulo, Brazil, over the weekend, drawing participants from more than 40 countries. The winner completed his cube in 5.69 seconds. Lourdes Garcia-Navarro/NPR hide caption

itoggle caption Lourdes Garcia-Navarro/NPR
Adolfo Valle for NPR

Anthrocon participants, as they gathered in Pittsburgh in 2013. Keith Srakocic/AP hide caption

itoggle caption Keith Srakocic/AP

Researchers discovered ancient animal mummies piled up in heaps inside a catacomb. Many of the mummies were in poor condition. Courtesy of Paul Nicholson hide caption

itoggle caption Courtesy of Paul Nicholson

Siri's answer to the brain-teaser question "What's zero divided by zero" generates a response that people find both funny and unnerving. NPR hide caption

itoggle caption NPR