We share the planet with an estimated 9 million robots, from self-driving cars to surgical arms. Could they one day completely replace humans?
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Fifteen international agencies spend $62 billion every year on space travel. What's fueling our costly - and dangerous - drive to explore the universe?
2020 • Astronomy
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?
2020 • Economics
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?
2000 • Environment
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?
2020 • Economics
We share the planet with an estimated 9 million robots, from self-driving cars to surgical arms. Could they one day completely replace humans?
2020 • Technology
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?
2020 • Economics
Today, GPS is guiding - and following - pretty much anything that moves, all around the world. It's so accurate it can track you down to the head of a pin. But where is GPS leading us? Is it helping us find the way, or lose it?
2022 • Technology
MP3s transformed how we listen to music - and spawned digital piracy. Streaming helped the industry recover, but how can artists get their fair share?
2022 • Technology
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?
2022 • Technology
Growing evidence suggests that psychedelic drugs could treat brain injuries and psychological problems. But can we get past their controversial history?
2022 • Brain
Bottled water is a big business, selling itself as a tastier and healthier alternative to the tap variety. Is there truth behind the claims?
2022 • Economics
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?
2022 • Technology
The home fitness revolution has exploded into a multibillion-dollar industry. Are home workouts a healthy habit - or just hype?
2022 • Health
Sweet deal or bitter pill? High fructose corn syrup rose up to dominate supermarket shelves, but what is it doing to our health?
2022 • Health
From Bitcoin to NFTs, crypto is making headlines. But what exactly is it, and how does it work? Experts go beyond the hype and skepticism to unravel the social and technological underpinnings of crypto –exploring how it came to be and why this new technology may change more than just money. PBS NOVA Season 49, Episode 17
2022 • Technology
For years, the idea of a reusable spacecraft was the dream of early space pioneers, and in 1981, after almost a decade of engineering toil, the Space Shuttle Columbia finally lifted into orbit, ushering in a new era of space flight. Today, the shuttle's work is complete but its engineering legacy will outlast those who built it. Relive its incredible 30-year history, from its groundbreaking achievements to its heartbreaking failures, as told by the people who designed, built, and flew this magnificent flying machine.
S1E3 • America's Secret Space Heroes • 2017 • Technology
They may be our worst creations. But nuclear bombs also taught us things about ourselves and our world that we couldn’t have learned any other way.
S1E6 • Connected - The Hidden Science of Everything • 2020 • Technology
Where science fiction becomes science fact - that is the place Hank is exploring in today's episode of SciShow. Many inventions we use today were first imagined in stories that described fantastical futures. Hank talks about the origins of four of these: the cell phone, the submarine, the telemanipulator (or robot arm), and the taser.
A.I. is a primal force, like fire. The same fire that warms us can incinerate our homes; A.I. could enslave mankind -- or, join us in a grand alliance to reach the stars.
2017 • Technology
Dallas and Hannah conclude the series by examining the process of bringing a plane safely to the ground. Hannah meets air traffic controllers at the world's busiest airport and visits a site that has seen over 2000 unscheduled landings in the last decade. Dallas sits in the cockpit of a plane heading for Paro, Bhutan, a place where only 26 pilots in the world are qualified to land.
Part 3 • City in the Sky • 2016 • Technology