National Geographic: The Pacific Northwest may be the epicenter of U.S. coffee culture, and now a new study shows the region’s elevated caffeine levels don’t stop at the shoreline. The discovery of caffeine pollution in the Pacific Ocean off Oregon is further evidence that contaminants in human waste are entering natural water systems, with unknown consequences for wildlife and humans alike, experts say.

CNN: You may not have heard of Snapchat. But if there are teenagers or 20-somethings in your life, it’s a safe bet that they have. Snapchat is a mobile app which lets users share images or videos that disappear after a few seconds.

Reuters: The State Department said the time was not right for Google Chairman Eric Schmidt  to visit North Korea, which drew international criticism for a rocket launch last month.

NBC: Ohio Rep. John Boehner was chosen for a second term as speaker of the House.