Crawford Allan

Mar. 26, 2010

Trade Talks on Endangered Species

An Iranian salamander gets international protection, but red coral and bluefin tuna are out in the cold, as negotiators debate rules for trade in endangered species at the CITES talks in Doha.

endangered species, trade, cites

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

view more

FEATURED PLAYLIST

Baby, It's Cold Outside

BOOKS BY OUR GUESTS

Mystery Box

Snowflake Safari

\tWinter weather means more than sledding and snowmen. Next snowstorm, grab a magnifying glass and try snowflake hunting. Bullet rosettes, stellar plates, and capped columns are just a few of the varieties of snow crystal you can find in your backyard. Kenneth Libbrecht, physicist at Caltech and snowflake expert, shares secrets of the snowflake.

\tVideo originally published on ScienceFriday.com on December 31, 2009

Science Friday® is produced by the Science Friday Initiative, a 501(c)(3) nonprofit organization.

Science Friday® and SciFri® are registered service marks of Science Friday, Inc. Site design by Pentagram; engineering by Mediapolis.

 

topics