William Eberhard, of the Smithsonian Tropical Research Institute and the University of Costa Rica, and colleague Daniel Briceno film spiders in the lab, in the field, and under a dissecting microscope to untangle this longstanding arachnological mystery
. The secret to not getting stuck? Oily, hairy legs and delicate movements.
Images courtesy of Gustavo Hormiga/The George Washington University. Video footage: Daniel Briceno and William Eberhard. Additional: archive.org, prelinger archives