Watch previews, scenes and cast interviews from some of your favorite PBS Science, Nature and Technology programs. If you cannot find what you are looking for, please try our video player. Click on any of the following programs to watch their respective previews.
Science Nature & Tech Programs
NOVA | At the Edge of Space
Watch Wednesday, November 20, 2013 at 8pm on WMHT TV.
Take a spectacular exploration to probe the earth-space boundary zone, home to some of nature’s most puzzling and alluring phenomena: the shimmering aurora, streaking meteors, and fleeting flashes that shoot upwards from thunderclouds, known as sprites. Discovered in 1989, sprites have eluded capture because they flicker into existence for a mere split-second — 40 times faster than an eye blink. NOVA rides with scientists in a high-flying weather observation plane as they hunt for sprites and finally succeed in snaring them in 3D video, gaining vital clues to unravel their mystery. NOVA also combines advanced video technology with stunning sequences shot from the International Space Station.