NOVA/WGBH
Author
Series
Language
English
Description
What killed the mammoths? Near the end of the last ice age 13,000 years ago, these mighty beasts disappeared from North America together with some 35 other groups of mammals. For four decades, debate has raged over the cause of their abrupt demise. NOVA presents an in-depth investigation of a controversial new hypothesis which suggests that a massive impact from space could be the culprit, and also explores alternate theories.
2) Algae Fuel
Author
Series
Language
English
Description
This video weighs the risks against the benefits of getting a personal genetic profile; takes a closer look at algae, and asks if it may be our biofuel of the future; explores the undersea Gakkel Ridge, deep in the Arctic Ocean, for clues that one of Jupiter's moons may host life; and profiles Yoky Matsuoka, a leader in the emerging field of neurobotics-the fusion of neuroscience and robotics.