Life at the BrinkDVD - 2015
It's a mystery on a global scale: five times in Earth's past, life has been nearly extinguished, the vast majority of plants and animals annihilated in a geologic instant. What triggered these dramatic events? And what might they tell us about the fate of our world? Joins scientists around the globe as they unravel the mysteries of two of the most dramatic mass extinction.
Publisher: [United States] : PBS Distribution, 2015
Characteristics: video file,DVD video digital,optical,surround,Dolby 4 3/4 in 1 videodisc (60 min.) : sound, color ; 4 3/4 in