A Reassuring Fable • 1989 • episode "3/10" • The Sagan Series

112:32

1969-1970, takes Americans to the moon and back. Dreams of space dramatically intersect with dreams of democracy on American soil, raising questions of national priorities and national identity. The final episode also considers what happens to scientific and engineering programs — and to a country — after ambitious national goals have been achieved.

3/3 • Chasing the Moon • 2019 • Astronomy

12:46

Now that gravitational waves are definitely a thing, it’s time to think about some of the crazy things we can figure out with them. In some cases we’re going to need a gravitational wave observatory - in fact, we've already built one.

PBS Space Time • 2018 • Astronomy

58:55

Just over 100 years ago, cutting into the brain was a terrifying prospect for both patient and surgeon. They could expect the result to be the surgeon bloodied and defeated, and the patient dead. From freak accidents involving crowbars through the skull to notorious lobotomies with icepicks, this programme reveals how, through mishap and misadventure, brain surgery has become the life-saving discipline it is today.

1 • Blood and Guts: A History of Surgery • 2009 • Astronomy

26:04

They are NASA’s first family – the wildly popular rovers. Follow the ongoing adventures of Curiosity and flash back to its precursors – twins Spirit and Opportunity, and little Sojourner - as they lift the veil on the mysteries of the Red Planet.

3/6 • Space Probes • 2016 • Astronomy

10:02

* Gravity is a Force * Different Types of Orbit * Escape Velocity * Weightless Mass

#7 • Crash Course Astronomy • Astronomy

6:16

Where are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers? Were they wiped out by an ancient super intelligence? Or are we just to primitive to understand their motives? Whatever the answer is, it is incredibly important for our own future.

2/2 • The Fermi Paradox • Astronomy