1.   Goats have rectangular pupils.

2.   99% of all wasabi sold in the U.S. is fake.

3.   Pteronophobia is the fear of being tickled by feathers.

4.   Doctor Paul Locus of Henry County Medical Center in Paris, Tennessee, dressed as the Joker from the Batman movie Dark Knight during a delivery procedure on October 31, 2017. Doctor Locus safely delivered baby Oaklyn Selph.

5.   Warner Brothers cancelled "Home Alone" production because they didn't want to spend $14.7 million on it. Production continued with 20th Century Fox, and the film eventually grossed $476 million.

6.   Elvis Presley was naturally blonde.

7.   Patu Digua from Colombia is the smallest spider with a body length of less than 0.37 mm (0.015 in).

8.   Andrew Jackson's pet parrot got kicked out of his funeral for cursing.

9.   According to the researchers at the Rovira i Virgili University in Spain, Eating nuts increases sperm count and improves sperm vitality, motility and morphology.

10.   The green ink used by the United States Treasury in printing money was invented at McGill University in Montreal, Canada in 1857, by Thomas Sterry Hunt.

11.   Hummingbird sex only lasts from 3 to 5 seconds.

12.   Snake skin is made from keratin, the same stuff your hair and nail is made from.

13.   The first eight-packs of Crayola in 1903 were sold door-to-door for a nickel.

14.   Sarpa salpa is a species of sea bream fish that can cause hallucinations when eaten.

15.   One in every 2,000 to 3,000 babies is born with a tooth. These are called natal teeth.