In the mountains of Central Africa, scientists who study critically endangered gorillas have a new tool. They’ve discovered that they can learn what viruses gorillas are carrying by stealthily collecting half-chewed plants the apes leave behind.
If this sounds reminiscent of that class clown at the third-grade lunch table who would ask if you liked seafood and then say “See? Food!” and open his mouth wide to display his sloppy Joe slurry, don’t worry—mountain gorillas are vegetarians. And