NPR's Scott Simon speaks with entomologist Edwin Burgess about a plan to combat flash-eating maggots threatening U.S. livestock. It involves breeding billions of flies and dropping them from planes.

The endangered kakapo is a flightless bird native to New Zealand. Its population is growing, but its parasites have dwindled.

Americans are being urged to crush bright pink blobs found along Florida's waterways as an invasive snail species continues ...