In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose venom may yield new life-saving drugs.
Quick Take Dominating Yellowstone as the largest reptile requires reaching lengths up to 72 inches without using venom.
Quick Take Reaching a size 5 times larger than males is a biological benchmark for breeding females. Holding breath for 10 ...
A recent National Geographic expedition has confirmed the existence of an exceptionally large Green Anaconda, Ana Julia, ...