Clicking the doodle on the first two days revealed recipes created by Ina Garten, author of the "Barefoot Contessa" cookbooks and star of the TV show.

WSJ: A Holiday Card From Google

In greyhound racing, dogs are lured around the track by a mechanical rabbit, but horse experts say the equine species isn't so easily motivated: "There is no way to teach a horse to chase a carrot, " said trainer Gary Contessa.

WSJ: Kentucky Derby: Do Horse Races Really Need Jockeys?