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9:38
Flawed conservation laws are consequences of a much deeper principle: Noether’s theorem.

8:47
New Gaia mission data has dramatically changed how we understand our own galaxy.

8:55
How long will life persist as the stars begin to die?

8:33
We can now see that the Milky Way is swarming with tens of thousands of black holes.

8:36
We’re going to need a gravitational wave observatory - in fact, we've already built one.

10:44
How did our chaotic universe generate the extreme complexity we see in life?

10:52
A black hole can never catch up to you, but the Unruh radiation it generates sure can.

9:15
The Andromeda galaxy will inevitably collide with our own Milky Way. Will that be the end?

9:03
What do the first stars, dark matter, and superior siege engines have in common?

12:00
Stephen Hawking's most famous prediction: the theory of Hawking Radiation.

9:16
Will the future of space exploration be guided by public or private entities?

8:25
Do you have what it takes to calculate the awesome power of the trebuchet?