Seasons & episodes

S1 · E1Fast Food 2020-05-22 · 22 min＋

Cheap, quick and tasty, fast food became a culinary craze in the 1950s. But has our quest for convenience created an irreversible health crisis?

S1 · E2The Space Race 2020-05-22 · 23 min＋

Fifteen international agencies spend $62 billion every year on space travel. What's fueling our costly — and dangerous — drive to explore the universe?

S1 · E3The Rise of China 2020-05-22 · 23 min＋

In the 21st century, China has become a global economic powerhouse. Why was the rest of the world so slow to notice its rise to the top?

S1 · E4Plastics 2020-05-22 · 21 min＋

Plastics have transformed how we live, but progress comes at a high price: 7.8 billion tons of waste. Are plastics a miracle or a catastrophe?

S1 · E5Oil and the Middle East 2020-05-22 · 22 min＋

Oil has brought great wealth to the Middle East and ignited major wars. Is it a blessing or a curse for the region, as well as the rest of the world?

S1 · E6Robots 2020-05-22 · 22 min＋

We share the planet with an estimated 9 million robots, from self-driving cars to surgical arms. Could they one day completely replace humans?

S1 · E7Feminism 2020-05-22 · 24 min＋

Feminism has ushered in sweeping changes to society, securing rights for women around the world. How much further do we have to go?

S1 · E8Nuclear Power 2020-05-22 · 22 min＋

Over 10% of the world's electricity comes from nuclear power. But with radioactive waste and the threat of nuclear meltdown, are we playing with fire?

S1 · E9AIDS 2020-05-22 · 22 min＋

Nearly 40 million people are living with HIV. After decades of research and activism, how far have we come in finding a cure and battling the stigma?

S1 · E10Genetics 2020-05-22 · 21 min＋

DNA analysis has given us the tools to map disease, solve crimes and more. But in our rush to decode DNA, are we leaping before we look?

S2 · E1GPS 2022-08-25 · 21 min＋

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?

S2 · E2MP3s 2022-08-25 · 22 min＋

MP3s transformed how we listen to music — and spawned digital piracy. Streaming helped the industry recover, but how can artists get their fair share?

S2 · E3Credit Cards 2022-08-25 · 21 min＋

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?

S2 · E4Psychedelics 2022-08-25 · 24 min＋

Growing evidence suggests that psychedelic drugs could treat brain injuries and psychological problems. But can we get past their controversial history?

S2 · E5Bottled Water 2022-08-25 · 22 min＋

Bottled water is a big business, selling itself as a tastier and healthier alternative to the tap variety. Is there truth behind the claims?

S2 · E6Dating Apps 2022-08-25 · 23 min＋

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?

S2 · E7Lasers 2022-08-25 · 23 min＋

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?

S2 · E8Home Workouts 2022-08-25 · 22 min＋

The home fitness revolution has exploded into a multibillion-dollar industry. Are home workouts a healthy habit... or just hype?

S2 · E9IVF 2022-08-25 · 24 min＋

A groundbreaking medical reproductive procedure has made parenthood possible for millions around the world... but at what cost?

S2 · E10High Fructose Corn Syrup 2022-08-25 · 23 min＋

Sweet deal or bitter pill? High fructose corn syrup rose up to dominate supermarket shelves, but what is it doing to our health?