Subscribe now

Puzzles

battenburg cake

Puzzle #09: The Cake and the Candles

Calculate the chance that a slice of cake will have a candle on it. Plus, the answer to puzzle #08, Prisoners locked up

Regulars

New Scientist Default Image

Puzzle #08 Prisoners locked up

Regulars

Puzzle #07: Amveriric’s boat

Puzzle #07: Amveriric’s boat

Regulars

New Scientist Default Image

Puzzle #06 Darts challenge

Regulars

New Scientist Default Image

Puzzle #05 Murphy’s law of socks

Regulars

Puzzle #04 Which door?

Puzzle #04 Which door?

Regulars

Puzzle #03 Cube shadow

Puzzle #03 Cube shadow

Regulars

Puzzle #02: Getting past the freight train

Puzzle #02: Getting past the freight train

Regulars

Book

Puzzle #01: The Book of Numbers

Regulars

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop