USA Today: A new study reports using marijuana a few times per week is enough to physically alter critical brain structures.
BBC: Former New York City Mayor Michael Bloomberg will spend the money to build support for stricter gun laws across the United States.
Reuters: The Labor Department said its Consumer Price Index (CPI) increased by 0.2% in March.
BBC: The airline responded to a customer complaint with a pornographic image from its official Twitter account.
CBS: Bubba Watson won the 2014 Masters Tournament by a three-stroke margin.
Forbes: A study showed that for every extra hour of TV children watched, they tended to sleep seven minutes less per night (on average).
CNN: President Obama bid farewell to Kathleen Sebelius and named Sylvia Mathews Burwell as her successor.
BBC: Google Glass will be sold to the U.S. public for one day, April 15.
Bloomberg: The number of Americans filing for unemployment benefits dropped to 300,000, the lowest since May 2007.
Associated Press: A virus has killed millions of baby pigs in less than a year, threatening pork production and increasing prices by 10% or more.
CNET: The security bug can wipe a server's memory, where sensitive user data is stored like usernames, passwords and credit card numbers.
The Atlantic: A study showed that doing aerobic exercise twice a week for 26 weeks significantly increased the volume of the hippocampi in older women.
NBC: Microsoft ended support for the popular operating system, Windows XP.