PBS Presents

Think Wednesday | April 10, 2019 Preview

Preview | 30s | Video has closed captioning.

Join Sir David Attenborough on NATURE to reveal the incredible egg, piece by piece, from creation to hatching. Later on NOVA, see a fresh investigation of a remote speck of rock that has mystified the world for centuries. On Ozone Hole: How We Saved the Planet, discover the remarkable story of the deadly hole in the ozone layer and how we managed to fix it.