Dr. Neil deGrasse
Tyson, American
astrophysicist and
director of the
Hayden
Planetarium,
discusses the
human-animal
connection from a
scientific stand
(more)
Dr. Neil deGrasse Tyson, American astrophysicist and director of the Hayden Planetarium, discusses the human-animal connection from a scientific standpoint. Learn more: http://bit.ly/oxaKho
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