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.
CNN Money: Today, 29% of American mothers are at home.
CNN: A rush of viewers onto the cable network's mobile streaming app for the season premiere of "Game of Thrones" caused it to crash.
BBC: An emotional Oscar Pistorius has apologized to the family of girlfriend Reeva Steenkamp, on the first day of his evidence at his murder trial.
Business Insider: Brendan Eich is resigning as CEO and is leaving the board of Mozilla.
CNN: In February there were 215 calls involving e-cigarettes to the poison center.
Reuters: The U.S. Food and Drug Administration approved an injection device for caregivers to treat patients who suffer an overdose.
BBC: Turkish authorities have lifted the two-week-old ban on Twitter, citing it was a breach of freedom and expression.
WSJ: In a 5-4 ruling, the majority believes limits violate the First Amendment.
Forbes: The company unveiled FireTV, a streaming set-top box that lets viewers watch on-demand movies and television shows.
Forbes: Overwhelming evidence shows that consuming seven servings of fruits and vegetables per day considerably decreases one's death risk.
BBC: Nato is not seeing a Russian troop pullout from the Ukraine border.