May 24, 2013
Veteran Smithsonian evolutionary biologist Haris Lessios has made major contributions to the understanding of how new marine species arose following separation by the Isthmus of Panama.
Projects
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Naos
March 08, 2013
Male fiddler crabs’ large claws may look unwieldly, but a new study demonstrates that these large weapons are not only for show.
April 27, 2012
A Chilean sea snail appears to have tried two forms of development and decided to turn back before it was too late.
January 13, 2012
A five-million-year-old urchin ancestor gave rise to two common lineages of sea urchins found today on either side of the Isthmus of Panama, according to new research by a Smithsonian scientist.
