Scientist Mark Plotkin races against time to save the ancient healing knowledge of Indian tribes from extinction.
Documentary
54 minutes
2001
Miranda Smith

1959
8.2
1950
0.0

1984
0.0

2019
0.0

2014
0.0

1985
0.0
2013
8.2

2017
7.8

2007
7.4

2021
7.1

2002
7.0

2019
9.0

2005
7.5

2020
7.3

2017
0.0

2017
6.0

2005
1.5

2008
5.0

2009
6.7

2019
9.0