From the Wires

Reuters: More than half of the top U.S. tech firms use structures to cut their tax bills that some governments want to change.

ABC: George Zimmerman emerged from hiding to help rescue someone who was trapped in an overturned truck.

CNN: As a nation and the world awaited news of a child who could one day sit on the British throne, Catherine, Duchess of Cambridge, experienced a normal labor on Monday.

Reuters: Perhaps the ultimate superhero buddy movie will be coming to theaters in the next few years.

New York Times: Detroit is the largest American city to file for bankruptcy, as well as the largest municipal filing in terms of debt.

CNET: The Rubbee on Kickstarter is a clever take on the concept of electric bike conversion kits.

AP: Two scientific teams have for the first time precisely recorded an extremely rare event in physics that adds certainty to how we think the universe began.

AP: Texas Gov. Rick Perry signed sweeping new abortion restrictions on Thursday that could shutter most of the clinics in Texas.

Salon.com: McDonalds got heat for telling its staff to have two jobs. But its financial planning advice is even more offensive.

USA Today: Doctors in London are testing a new knife that can detect cancer during surgery.