By Kaitlin Miller
Posted 02.01.2012 at 12:01 pm 23 Comments
Yes. Many pet owners have seen their sleeping dog or cat twitch or paw the air, as if dreaming of bones to bury or mice to chase. Stanley Coren, a psychology professor at the University of British Columbia and author of the book The Intelligence of Dogs, says that canines go through the same sleep stages as we do, only faster.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.