Nova 1974 | TV Show

Cast & Crew  |  Episode Guide

PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a (more…)

Premiered: March 3, 1974

Rating: None

User Rating:4.51 out of 5 (139 ratings)

Your Rating:

Season 36, Episode 14 Megabeasts' Sudden Death

First Aired: April 1, 2009

An investigation of a possible comet strike in the Great Lakes region some 12,900 years ago, which could explain the extinction of such mega-creatures as the saber-toothed cat and woolly mammoth in North America. Included: the discovery of nanodiamonds created from the heat and impact of extraterrestrial objects; remarks from climate scientist Paul Mayewski, geologists James Kennett and Allen West, archaeologist Vance Haynes and physicist Mark Boslough.

Watch Now
Free

Previous Episode

Extreme Ice

Season 36, Episode 13

March 24, 2009

Next Episode

Doctors' Diaries

Season 36, Episode 15

April 7, 2009

Guest Cast