The Deadliest Infectious Disease of All Time | Crash Course Lecture
48:49
1495 Syphilis Outbreak: The Deadly Disease That Swept Across Europe | The Syphilis Enigma | Timeline
53:16
When Antibiotics Don't Work (full documentary) | FRONTLINE
30:40
11 Of The Most Faked Foods In The World | Big Business | Business Insider Marathon
22:08
Biomedical Scientist Answers Pseudoscience Questions From Twitter | Tech Support | WIRED
13:10
What Does it Mean to Be Jewish: Crash Course Religions #8
48:03
El escándalo de los químicos eternos | Bloomberg Investigates
23:51
Why is this number everywhere?
10:53