Each December, Google releases its top trending searches of the year. Topics that drew the interest of Americans included the World Cup, Hurricane Florence and three people who died in 2018 — rapper Mac Miller, designer Kate Spade and TV host and author Anthony Bourdain.

ON THIS DAY IN AMERICAN HISTORY On December 14, 2012, a gunman storms Sandy Hook Elementary School in Newtown, Conn., killing 20 first graders and six school workers before shooting himself to death. Earlier, the gunman killed his mother at their home. The shooting was the second worst mass shooting in the U.S. at the time, but it’s now the fourth, after the 2017 Las Vegas concert shooting, the 2016 Orlando nightclub shooting, and the 2007 Virginia Tech shooting.

VIDEO: This week Plugged In delves into the global impact of Britain’s plan to “Brexit” from the EU. Plus, we explore whether Myanmar’s 2016 crackdown on the Rohingya amounted to genocide, as some human rights groups claim .

VIDEO: Roaches are tough , they’re resilient, they’re filthy, and they’re big business in China. Entrepreneurs are breeding the crawly critters for use in everything from waste management to medicine .

The U.S. Senate on Thursday dealt a historic rebuke to Saudi Arabia, a longtime U.S. ally, passing a resolution to end American support for the kingdom’s military intervention in Yemen’s civil war and another measure condemning the killing of a dissident Saudi columnist.

More than 60 people graduated in Juba this week with diplomas in midwifery and nursing. Their goal? To reduce South Sudan’s high rate of maternal mortality .