On the example of the history of the discovery of the "solar substance" Helium, the history of the most important discoveries in the field of physics and chemistry of the early XX century is given.
Horizon73%
How Do They Do It?75%
History 10171%
Mysteries at the Museum89%
Baseball75%
Top Gear79%
30 for 3075%
Eli Roth's History of Horror64%
Doctor Who Confidential81%
The World According to Jeff Goldblum66%
American Masters70%
Prop Culture77%
MegaStructures75%
NOVA70%
How It's Made76%
Biography67%
Ghost Hunters International82%
Mind Field82%
The Universe79%
The Story of God with Morgan Freeman74%
