(CNN) Four researchers navigated treacherous terrain and feared for their lives during a harrowing brush with suspected drug traffickers in one of the most dangerous,<a class="excerpt-read-more" href="https://whdh.com/news/newly-discovered-snake-species-found-in-remote-peruvian-land-is-named-for-harrison-ford/">Read More</a>
(CNN) — Four researchers navigated treacherous terrain and feared for their lives during a harrowing brush with suspected drug traffickers in one of the most dangerous, scientifically unexplored areas in