What country can make you shiver?
Find the missing number in the image below.
A woman shoots her husband. Then she holds him under water for over 5 minutes. Finally, she hangs him. But 5 minutes later they both go out together and enjoy a wonderful dinner together. How can this be?
Until it is measured, not known. Yet how you miss it when it has gone. What is it?
Why do people go to bed?
John said, "If yesterday was tomorrow, today would be Friday." When did John make this statement?
Find the smallest sentence with all the English alphabet.
What does a man do only once in his lifetime, but women do once a year after they are 29?
I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?
Can you decipher the below rebus? PBLUESAISNUERSES
Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.