275K views · 279 reactions | David Pogue sets out on a worldwide quest to find the key molecules and chemical reactions that have paved the way for human civilization, life, and even the universe as we know it. Stream all three episodes of NOVA l PBS' “Beyond the Elements” now on the PBS Video app. | PBS | Facebook

8.5K views · 91 reactions | Enjoy an experience that is out of this world! Stream NOVA l PBS' five-part series The Planets now: https://to.pbs.org/3nblFEL. | PBS | Facebook

95 reactions · 18 shares | Take a ringside seat as NOVA captures moments of high drama when the cosmos changed forever. "NOVA Universe Revealed" premieres on WED OCT. 27. Stream all five episodes starting at 8a ET: https://to.pbs.org/3iGO0mi | NOVA l PBS | Facebook