Comet Seen From Space Station The Science of Santa Ginger Zee breaks down the numbers and looks at the real science of Santa. Toy Rental: Santa's New Helper Web service Toygaroo bills itself as the "Netflix of Toys" for kids. Astronaut Dan Burbank captures stunning view of Comet Lovejoy from orbit. Want a Spy Drone for Christmas? Bill Weir makes the possibility of espionage a family affair with Parrot Drone. Toys Under $20 Great Gift Ideas From "The Toy Insider Mom" News Feed Ads Coming to Facebook The social network will show Sponsored Stories beginning in 2012. TechBytes (12.21.11) The Super Bowl and other playoff games will be streamed live.