From Castration to Cure: How Scientists Discovered Hormones With Brutal Experimentation | Spark
41:59
The Extraordinary Impact Sound Has On Your Everyday Life | Sonic Magic | Spark
59:00
Professor Jim Al-Khalili Explains What Energy Really Is | Order And Disorder | Spark
53:16
When Antibiotics Don't Work (full documentary) | FRONTLINE
49:15
12. Endocrinology
42:31
Testosterone — new discoveries about the male hormone | DW Documentary
5:27
A Sad Moment in American History
11:59
La insuficiencia suprarrenal primaria (enfermedad de Addison)
51:41