Computer Engineer Barbie is shown at the New York Toy Fair in New York. Critics took issue this week with a book that portrays Barbie needing help from boys in order to make a video game and fix a virus. Mark Lennihan/AP hide caption

itoggle caption Mark Lennihan/AP

India has record no Ebola cases, but the country is on high alert and has quarantined hundreds of travelers from West Africa. This hospital in New Delhi has set up an Intensive Care Unit for potential Ebola patients. Sajjad Hussain/AFP/Getty Images hide caption

itoggle caption Sajjad Hussain/AFP/Getty Images

Vape was chosen as the word of the year for 2014 in part because it provides a window "onto how we define ourselves," says Casper Grathwohl of the Oxford University Press. Here, women exhale vapor clouds during a competition at the Henley Vaporium in Manhattan. Elizabeth Shafiroff/Reuters/Landov hide caption

itoggle caption Elizabeth Shafiroff/Reuters/Landov

After a hard day of bruising battle, ancient gladiators reached for a post-workout drink, according to an ancient account. New research backs that up. Stefano Bianchetti/Corbis hide caption

itoggle caption Stefano Bianchetti/Corbis