Facial recognition of their own species is practically unheard of in insects. However, Paper Wasps have developed this ability and it's hypothesized that it's due to the 4-5 queens each colony has.
Until the 20th century the currency of the Yap Islands were Rai Stones. These stone wheels weighed more than 2000 pounds and as a result were traded via word of mouth into oral history; a stone sunk to the bottom of the ocean while being transported back to Yap, it was still used as currency.
The human body produces up to a third of a gallon of mucus a day. When you're healthy the mucus is directed down your throat by cilia hairs; when you're sick the mucus may be thicker or the passage may be inflamed, causing it leave through your nose as snot.
The Pororoca is the longest surfable wave in the world and gets its name from the indigenous tribes in the Amazon. The tidal bore travels up Amazon river for miles due to peculiar oceanic high tides which occurs twice a year at the biannual equinoxes
