Scientists at Work: Why Are Giraffes Dying?

Stat: 40%—Across Africa, the number of giraffes has declined by 40 percent since 1979.

Story: Giraffes are dying, and experts are trying to figure out why. Host Dan LeDuc speaks to two giraffe experts, ecologist David O’Connor and researcher Jenna Stacy-Dawes of the San Diego Zoo, who are trying to learn more about these mysterious animals and help giraffes rebound.