Protesters of Occupy DC clash with authorities, Egypt reupts in a new round of protesting, Russia and China veto a UNresolution on Syria, and areas of Australia see more flooding.
Have you ever wondered how and why the Earth rotates on its axis? Or why when light touches a prism we see a separated rainbow of colors? Learn the answers to these questions and more.
Occupy protesters clash with police in Oakland, California, a car crash leaves at least 10 dead in Florida, water in China becomes contaminated with cadmium, and labor unions protest in Belgium.
The South Carolina primary causes a shake up in the GOP race, fears start to rise with an Italian cruise ship that ran aground, President Obama rejects plans for an oil pipeline to be built in the U.S., and Congresswoman Giffords resigns.
An Italian cruise ship runs aground outside of Tuscany, nine coutries in the eurozone have their credit score's downgraded, Kazakhstan holds elections, and buliding in Lebanon collapses.
An American man is sentenced to death in Iran; a ship in New Zealand spills more oil into the ocean, Congresswoman Gabrielle Giffords returns to Tucson, Arizona for a memorial service; and Republican candidates head to New Hampshire for the 2012 primary.
