Mass extinction life at the brink

Holt, Sarah, 1956- (Added Author). Wright, Jeffrey. (Added Author). PBS Distribution (Firm) (Added Author). Narrated by Jeffrey Wright. (Cast).

Summary: 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.

Record details

ISBN: 9781627892681 :
ISBN: 841887023979
Physical Description: videorecording
videodisc
1 videodisc (60 minutes) : sound, colour ; 4 3/4 inches
Publisher: Arlington, VA : PBS Distribution, [2015]
Copyright: ©2015

Content descriptions

General Note:	Originally broadcast on television in 2014.
Participant or Performer Note:	Narrated by Jeffrey Wright.
Target Audience Note:	E.
System Details Note:	DVD; widescreen presentation; Dolby Digital 5.1.
Terms Governing Use and Reproduction Note:	For private home use only.
Language Note:	English dialogue; English subtitles for the deaf and hard of hearing.