Sock Signals

Throughout Africa and Asia, elephants can be seen as problem causers. The behemoth mammals destroy crops and threaten farmers’ livelihoods when they trundle through fields after tasty snacks. Scarecrows, fences and noisemaking tripwires don’t deter the beasts, and tensions with humans can escalate so much that elephants are sometimes shot.

Now, scientists have discovered that the odor of angry honeybees is an effective elephant repellant. The find may offer a way keep the