The World in Words podcast takes us inside the world of animal communications. NOVA's Ari Daniel reports on humpback whale songs and how they go viral from one population of whales to the next.
The story you just read is not locked behind a paywall because listeners and readers like you generously support our nonprofit newsroom. Now more than ever, we need your help to support our global reporting work and power the future of The World. Can we count on you?