Back to Show
Secret Life of Scientists and Engineers
Mark Siddall: Leech Expert
Season 2009
Episode 1
Mark is Curator and Professor of Invertebrate Zoology at the American Museum of Natural History. He travels the world studying leeches. Watch as he shares some his scientific secrets and culinary adventures.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

1:08
We ask Geoff Tabin 7 questions about the invention of bungee jumping.

2:40
Life isn't dangerous enough, so Geoff Tabin invents bungee jumping.

0:45
We give Geoff Tabin 30 seconds to talk about cataracts and he tells us about peanut M&Ms.

3:19
Geoff Tabin climbs mountains & performs thousands of cataracts surgeries in Nepal & Africa

2:00
Bill Nye explains how he took an Astronomy class from Carl Sagan & carries on his legacy.

0:46
Bill Nye uses science to be funny (while making whale noises).

2:39
Bill Nye dances on TV while millions cheer him on (and wear lab coats).

4:08
Bill Nye uses Steve Martin and Carl Sagan as role models to become "the Science Guy."

1:33
We ask Bill Nye all about bow ties and he confesses to cheating on his taxes.

0:46
We give Bill Nye 30 seconds to teach us how to tie a bow tie and he makes whale noises.

0:59
Being one person isn’t good enough for Kate Sweeny. She needs to be two.

0:43
We give Kate Sweeny 30 seconds to describe belly dancing.