Scientists to capture DNA of trees worldwide for database

Graduate student Natalia Pabon-Mora works at The New York Botanical Garden's Pfizer Plant Research Laboratory at the Bronx, New York facility Tuesday, April 15, 2008. A team of researches there is leading a global effort to barcode the DNA of every tree species on Earth, all 100,000 of them. The laboratory, with sweeping views of trees and a pond, reflects the work going in indoors. (AP Photo/Craig Ruttle)