 It's Tuesday, March 12, 2013. I'm Trent Wolby. And I'm Nina Sekolar. Live from Austin, Texas, it's the Magic Hour party time. This is 90 seconds on the verge brought to you by Motorola. According to evidence uncovered by the Curiosity rover, Mars could have supported life in ancient times. Today, NASA announced that a drilling sample contains several key ingredients for life like nitrogen, hydrogen, oxygen and carbon. The sample came from what was likely a Martian lake bed that's been dried up for millions of years. A NASA scientist said the area was so hospitable to life that a human would have been able to drink the water from the ancient lake. The FCC has given the go-ahead for the long-planned T-Mobile and Metro PCS merger. T-Mobile's parent company, Deutsche Telekom, announced its intentions to buy the carrier last year. In a statement, FCC Chairman Julius Genachowski said the merger will, quote, benefit millions of American consumers. Stockholders will still need to sign off, however. Metro PCS has a vote scheduled for this April. And finally, MTV is back, only it's online, and MTV has nothing to do with it. VIVO TV is a streaming music channel that will run 24 hours a day, 7 days a week. It'll feature hour-long blocks of videos broken up by genre. The service is launching in the U.S. and Canada to start and will be available on the web as well as on VIVO's smartphone and set-top box apps. Roll VIVO Cribs in 3, 2... And that's it for today's top stories. Stay tuned for the South by Southwest elevator pitch of the day. Tired of your GPS telling you where to go? Download Lane Picker, the only app that tells you exactly what you need to know. Which lane to be in? Pick it up.