NPR's Juana Summers speaks to researcher Rikke Jeppesen about her work on how sea otters, which were hunted to almost near extinction, have been able to thrive by eating up to 120,000 crabs a year.
The huntsman spider is one of the fastest and most agile arachnids on the planet. The species is often confused with tarantulas because of the hairy bodies, but their distinguishing trait is their ...