The Crisis in String Theory is Worse Than You Think | Leonard Susskind
![](https://i.ytimg.com/vi/YdOXS_9_P4U/mqdefault.jpg)
28:33
Terence Tao on how we measure the cosmos | Distance ladder part 1
![](https://i.ytimg.com/vi/urFIHf5coxE/mqdefault.jpg)
1:14:33
Discussing the Frontier of Particle Physics with Brian Cox
![](https://i.ytimg.com/vi/5JtzDueKX_Q/mqdefault.jpg)
1:11:09
Leonard Susskind: String Theory, Fine-Tuning, and the Physics of the Multiverse
![](https://i.ytimg.com/vi/b7OIbMCIfs4/mqdefault.jpg)
1:09:42
The Mystery of Spinors
![](https://i.ytimg.com/vi/VQM0OtxvZ-Y/mqdefault.jpg)
30:58
We need to 'gravitise' quantum mechanics, not quantise gravity | Roger Penrose | Full interview
![](https://i.ytimg.com/vi/0FUFewGHLLg/mqdefault.jpg)
1:19:51
Quantum Information Panpsychism Explained | Federico Faggin
![](https://i.ytimg.com/vi/2gd-x-Yl5ac/mqdefault.jpg)
7:02
The Case for String Theory Just Got Stronger
![](https://i.ytimg.com/vi/W39kfrxOSHg/mqdefault.jpg)
53:43