PBS Presents

Think Wednesday | Next on May 30, 2018

Preview | 30s | Video has closed captioning.

Embark on a special voyage across the Nile River to relocate the world’s rarest giraffes. Next, peer into the deep unknowns of the universe to explore the mysteries of dark matter and dark energy. Later retrace the thought experiments that inspired his theory on the nature of reality.

Aired: 05/30/18

Rating: NR

Problems Playing Video? | Closed Captioning