Once a secret military program, GPS now guides our daily lives, from providing directions to finding friends. But what do we trade for this convenience?
Guest Stars:
George H. W. Bush, Ronald Reagan, Bill Clinton
MP3s transformed how we listen to music — and spawned digital piracy. Streaming helped the industry recover, but how can artists get their fair share?
Guest Stars:
Thom Yorke, Ed O'Brien, Jonny Greenwood, Colin Greenwood, Philip Selway
Credit cards changed the global economy and attitudes about personal spending, but record levels of consumer debt beg the question: Just who's in charge?
Growing evidence suggests that psychedelic drugs could treat brain injuries and psychological problems. But can we get past their controversial history?
Guest Stars:
Richard Nixon, Steve Jobs, Alicia Keys, Daniel Carcillo, Harold Abramson
Bottled water is a big business, selling itself as a tastier and healthier alternative to the tap variety. Is there truth behind the claims?
Guest Stars:
Bruce Nevins, Claudia Schiffer, Donald Trump
Thanks to dating apps, finding love is easier than ever. But are we now so focused on playing the game that we're missing out on real connection?
Guest Stars:
Jason Derulo, Ben Affleck, Conan O'Brien, Nikki Glaser
They're used for everything from entertainment to medicine — and now for weapons straight out of science fiction. Have lasers become too hot to handle?
Guest Stars:
Mikhail Gorbachev, Albert Einstein, Ronald Reagan, Gordon Gould, Howard Hughes
The home fitness revolution has exploded into a multibillion-dollar industry. Are home workouts a healthy habit... or just hype?
Guest Stars:
John F. Kennedy, Joe Wicks, Jack LaLanne, Richard Simmons, Jane Fonda
A groundbreaking medical reproductive procedure has made parenthood possible for millions around the world... but at what cost?
Guest Stars:
Amy Schumer, Anne Hathaway, Barack Obama, Sasha Obama, Michelle Obama