In this week’s Digits, we tell you how to crowdfund your globetrotting, how sending a 3-D printer into space could change help space exploration and we highlight our picks for the top five games of 2013.
Lottery officials say two tickets were sold for the $636 million Mega Million jackpot. One was purchased at Jenny's Gift Shop in San Jose, California. A second was bought in Georgia. (Dec. 18)