Seasons & Episodes
Fast Food
Cheap, quick and tasty, fast food became a culinary craze in the 1950s. But has our quest for convenience created an irr
The Space Race
Fifteen international agencies spend $62 billion every year on space travel. What's fueling our costly — and dangerous
The Rise of China
In the 21st century, China has become a global economic powerhouse. Why was the rest of the world so slow to notice its
Plastics
Plastics have transformed how we live, but progress comes at a high price: 7.8 billion tons of waste. Are plastics a mir
Oil and the Middle East
Oil has brought great wealth to the Middle East and ignited major wars. Is it a blessing or a curse for the region, as w
Robots
We share the planet with an estimated 9 million robots, from self-driving cars to surgical arms. Could they one day comp
Feminism
Feminism has ushered in sweeping changes to society, securing rights for women around the world. How much further do we
Nuclear Power
Over 10% of the world's electricity comes from nuclear power. But with radioactive waste and the threat of nuclear meltd
AIDS
Nearly 40 million people are living with HIV. After decades of research and activism, how far have we come in finding a
Genetics
DNA analysis has given us the tools to map disease, solve crimes and more. But in our rush to decode DNA, are we leaping
GPS
Once a secret military program, GPS now guides our daily lives, from providing directions to finding friends. But what d
MP3s
MP3s transformed how we listen to music — and spawned digital piracy. Streaming helped the industry recover, but how c
Credit Cards
Credit cards changed the global economy and attitudes about personal spending, but record levels of consumer debt beg th
Psychedelics
Growing evidence suggests that psychedelic drugs could treat brain injuries and psychological problems. But can we get p
Bottled Water
Bottled water is a big business, selling itself as a tastier and healthier alternative to the tap variety. Is there trut
Dating Apps
Thanks to dating apps, finding love is easier than ever. But are we now so focused on playing the game that we're missin
Lasers
They're used for everything from entertainment to medicine — and now for weapons straight out of science fiction. Have
Home Workouts
The home fitness revolution has exploded into a multibillion-dollar industry. Are home workouts a healthy habit... or ju
IVF
A groundbreaking medical reproductive procedure has made parenthood possible for millions around the world... but at wha
High Fructose Corn Syrup
Sweet deal or bitter pill? High fructose corn syrup rose up to dominate supermarket shelves, but what is it doing to our
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