the venom from the Brazilian wandering spider (Phoneutria) is so powerful that just 0.00000021 oz of it can kill a mouse

in several countries 21 is the age of majority. It is also drinking age in all the US states

121 points are required to win in an official game of cribbage

the gayageum is a traditional Korean zither-like string instrument with 12 strings

the ancient Roman god Janus had two faces, enabling him to look backward at the past and forward to the future at the same time

"One for the Money" by Janet Evanovich is the first novel in the fortunate series with the private detective Stephanie Plum

12 Angry Men is a 1957 film in which a juror attempts to prevent an injustice by forcing his colleagues to reconsider the evidence

only twelve people have walked on the Moon

12/12 is the birthday of Jennifer Connelly, who appeared in "Requiem for a Dream". She is born in 1970

the famous and still unproved Goldbach Conjecture states that every even number greater than two is the sum of 2 prime numbers