Science! Giant ice creatures! Space! Statistics! Our favorite geeks on Twitter covered it all, including The Star Wars Craft Book author Bonnie Burton, who barely escaped Wampa wrath, and Italian astronaut Luca Parmitano, who's currently on board the International Space Station for Expeditions 36 and 37. See messages from Bonnie, Luca, and more in our top 10 tweets of the week from geeks we love.