History
Friday
Thursday
Prior to 1924, the average lifespan of a light bulb was around 2,500 hours. But in December 1924, a global organization known as the Phoebus Cartel hatched a secret plan to increase sales by bringing the average bulb's lifespan down to just 1,000 hours. This began one of the first known examples of planned obsolescence. Al Barry/Three Lions/Getty Images hide caption
Thursday
A Black Students Union leader addresses a crowd of demonstrators in December 1968. AP hide caption
Washington is waiting for special counsel Robert Mueller to complete a report on his investigation into Russian interference in 2016. Tasos Katopodis/Getty Images hide caption
Peter Tarjan of Miami and his cat Jodi. Tarjan's grandparents and parents died in the Holocaust. The Holocaust Memorial Museum recently hired a full-time curator in South Florida to collect objects from Holocaust survivors to preserve history. Caitie Switalski/WRLN hide caption
'Time Is Running Out': Museum Curator In Florida Races To Preserve Holocaust Items
Two armed American border guards deter a group of undocumented immigrants from attempting to cross a river from Mexico into the United States (1948). Keystone/Getty Images hide caption
Wednesday
An illustration depicting Johannes Gutenberg taking the first proof off his printing press. Bettmann Archive hide caption
Friday
New Zealand's flag is flown at half-staff on a Parliament building in Wellington on Friday after the shootings in Christchurch. Marty Melville/AFP/Getty Images hide caption
Thursday
Lizzie Borden is seen in this contemporary drawing at her trial with defense lawyer George D. Robinson. Universal History Archive/UIG via Getty Images hide caption
New Russian President Vladimir Putin takes the presidential oath on the Constitution of the Russian Federation in Moscow's Kremlin Palace on May 7, 2000. Former president Boris Yeltsin looks on during the inauguration ceremony after having resigned on December 31, 1999. AFP/Getty Images hide caption
Monday
Kate Devlin, who studies human-computer interactions, says we're on the cusp of a sexual revolution driven by robotics and artificial intelligence. Angela Hsieh/NPR hide caption
Sunday
Archaeologist Ana Celis checks out an artifact. Courtesy of Karla Ortega hide caption
Thursday
A man stands before the American Flag. Hokyoung Kim for NPR hide caption