Science Scientists say elephant tusk DNA can expose poaching networks 4:04pm February 16, 2022 Research News Science Animals Share URL copied to clipboard! Copyright 2022 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered National Vermont Judge releases Columbia University student Mohsen Mahdawi World News U.S. supports ally Israel at the International Court of Justice by Carrie Kahn 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate