Participants

Leeches

MARK E. SIDDALL
American Museum of Natural History
http://research.amnh.org/~siddall/

JOSEPH UPTON
Beth Israel Deaconess Medical Center

AMIR TAGHINIA
Beth Israel Deaconess Medical Center

THOMAS CLARK
Accident victim

NEIL deGRASSE TYSON
Astrophysicist, American Museum of Natural History
http://www.pbs.org/wgbh/nova/
sciencenow/about/host.html

The Search for ET

JILL TARTER
Center for SETI Research
http://www.seti.org/
about-us/people/staff/tarter-jill.php

ANDREA KISSACK
Correspondent

SETH SHOSTAK
Center for SETI Research
http://www.seti.org/
about-us/people/staff/shostak-seth.php

Stem Cells Breakthrough

LYNNIE REID
Mother of patient

GEORGE DALEY
Children's Hospital Boston
http://www.childrenshospital.org/
cfapps/research/data_admin/
Site92/mainpageS92P0.html

SHINYA YAMANAKA
Gladstone Institute, University of California, San Francisco
http://www.gladstone.ucsf.edu/
gladstone/site/yamanaka/

CHAD COHEN
Correspondent

RUDOLF JAENISCH
Whitehead Institute
http://www.wi.mit.edu/
research/faculty/jaenisch.html

Profile: Edith Widder

SÖNKE JOHNSEN
Marine Biologist, Duke University
http://www.biology.duke.edu/
johnsenlab/people/sjohnsen.html

PETER GIRGUIS
Marine Biologist, Harvard University
http://www.oeb.harvard.edu/
faculty/girguis/girguis-oeb.html

EDITH WIDDER
Biologist and Deep-Sea Explorer
http://www.teamorca.org/press_room.htm

DAVE SMITH
Widder's husband, Computer Engineer