TV
Check local listings for broadcast times in your area. Segments include how and why earthquakes strike in the heartland; the role of sleep in strengthening memories; a profile of marine geologist Sang-Mook Lee; and evolutionary evidence of the creatures that evolved into primates. Neil deGrasse Tyson hosts. (CC, Stereo, HD)
http://www.pbs.org/nova/sciencenow/













(Saturday 10am)
