How Many Heartbeats Do We Get? • It's Okay To Be Smart

43:41

The promise of time travel has long been one of the world's favorite scientific "what-ifs?" Hawking explores all the possibilities, warping the very fabric of time and space as he goes.

S1E2 • Stephen Hawking's Universe • 1997 • Science

52:36

Never in the history of humanity have so many of us been mobile, never has our demand for fast, efficient and safe transportation been so high, and never have we relied so heavily on technology to deliver. New innovations propel us into the world of self-driving cars and high-speed trains.

S1E2 • Speed • 2019 • Science

55:40

From the detection of gravitational waves generated in space over a billion years ago, to discoveries in genetics here on Earth, we've collected the most compelling science breakthroughs and advances of 2016. Thanks to magnificent, hard-working scientists and researchers around the world, science keeps marching ever forward. And this year saw some discoveries that are absolutely brimming with the promise of greater discoveries, breakthroughs and quality of life in the future.

2016 • Science

4:42

They're cute, they're lovable, and judging by the 26 billion views on over 2 million YouTube videos of them, one thing is certain: cats are very entertaining. But their strange feline behaviors, both amusing and baffling, leave many of us asking: Why do cats do that? Tony Buffington explains the science behind some of your cat's strangest behaviors.

TED-Ed • 2016 • Science

54:51

In the first of 3 episodes we take a look at how the telescope was invented, from Galileo to Edwin Hubble, and how the invention reaches the universe 13 billion light-years out. Narrated by Patrick Stewart.

Breakthrough the Ideas that Changed the World • 2019 • Science

53:18

Glass so strong you can jump on it, rubber so tough it protects a clay pot dropped from 50 feet, endless varieties of plastic. Scientists and engineers have created virtually indestructible versions of common materials by manipulating the chains of interlocking atoms that give them strength—but have they made them too tough? Host David Pogue explores the fantastic chemistry behind the everyday.

S1E1 • Beyond the Elements • 2020 • Science