StarTalk· Season 4 · Episode 1Lance ArmstrongS04E01·October 1, 2017·1h·National GeographicNeil deGrasse Tyson features his interview with Lance Armstrong and discusses the science of cycling with his in-studio co-hosts.Streaming on (US) See allShareGuest starsLance Armstrongas Lance ArmstrongPreviousBill MaherS03E20NextKareem Abdul-JabbarS04E02Keep going
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