Gravitational Waves (extra footage)
![](https://i.ytimg.com/vi/iDRqfX4L2tI/mqdefault.jpg)
12:35
Dark Matter (extra footage)
![](https://i.ytimg.com/vi/hIgZG7A1fqc/mqdefault.jpg)
13:13
Gravitational Waves Discovery - Sixty Symbols
![](https://i.ytimg.com/vi/88bMVbx1dzM/mqdefault.jpg)
21:29
What if you just keep zooming in?
![](https://i.ytimg.com/vi/76CFB3n25js/mqdefault.jpg)
15:32
How do you measure a magnet?
![](https://i.ytimg.com/vi/N9hhv9g6F4w/mqdefault.jpg)
12:04
Quarks (extra footage)
![](https://i.ytimg.com/vi/YIK8luKW3mk/mqdefault.jpg)
22:21
Biggest Structure (extended interviews)
![](https://i.ytimg.com/vi/cGHDl_HqdAg/mqdefault.jpg)
12:04
Where are the White Holes? - Sixty Symbols
![](https://i.ytimg.com/vi/M_TC_kKN0hA/mqdefault.jpg)
10:06