Description: [caption id="" align="alignright" width="192" caption="A shot of Leafsnap, a free tree field guide app from the Smithsonian, University of Maryland, and Columbia University."][/caption] Columbia University, the University of Maryland, and the Smithsonian Institution have tapped their experts to help create the world’s first plant identification mobile app using visual search:
Description: [view in Spanish][edan-image:id=siris_sic_9227,size=110,left]Exchanging specimens is essential in botanical research: Herbaria swap their duplicates in return for specimens they lack. Such international trading is based on relations established through correspondence and research trips, relations that endure through generations of botanists. By the early twentieth century,
Description: Listen to reenactments of two articles that were published in the 1936 Smithsonian Annual Report as broadcast during The World Is Yours episode “Smithsonian Annual Report of Scientific Progress.”