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Insect species diversity on British host trees supports the area hypothesis.
A guanacaste tree, Enterolobium cyclocarpum, growing in Costa Rica. Guanacaste trees, which produce
Center of Mass of a Binary Star System
Jets Created by a Black Hole in a Binary System
When the United States gets stuck over a controversial issue—usually something a divided Congress ca
Teak trees (Tectona grandis)