Presenting hidden biodiversity
February 10, 2012
An activity book for kids looks at the world of the smallest plants.
News
Archive
Distant relatives become new species
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.
