Charting the merging of high technology to natural materials, this four-part "Nova" series demonstrates how revolutionary science is making human existence "Stronger," "Smaller," "Smarter," and "Cleaner." Breakthroughs in medicine, transportation, computing, and other areas of cutting-edge progress are explored with examinations of work being done with Kevlar, carbon nanotubes, hydrogen and solar cells, and more. 4 hrs. total on two discs. Widescreen (Enhanced); Soundtracks: English Dolby Digital stereo, DVS; Subtitles: English (SDH).