How can a jigsaw have two distinct solutions?
![](https://i.ytimg.com/vi/vXWvptwoCl8/mqdefault.jpg)
26:13
Why don't Jigsaw Puzzles have the correct number of pieces?
![](https://i.ytimg.com/vi/VTDKqW_GLkw/mqdefault.jpg)
28:37
How does Dobble (Spot It) work?
![](https://i.ytimg.com/vi/FMRi6pNAoag/mqdefault.jpg)
17:58
This new type of illusion is really hard to make
![](https://i.ytimg.com/vi/P_fHJIYENdI/mqdefault.jpg)
24:52
The Most Useful Thing AI Has Ever Done
![](https://i.ytimg.com/vi/kY2YeM5fNDw/mqdefault.jpg)
24:43
The Lever Paradox
![](https://i.ytimg.com/vi/as7Gkm7Y7h4/mqdefault.jpg)
32:17
The almost impossible chessboard puzzle
![](https://i.ytimg.com/vi/AHP1T8fTxpQ/mqdefault.jpg)
30:15
The Bingo Paradox: 3× more likely to win
![](https://i.ytimg.com/vi/b-Fa6HtvGtQ/mqdefault.jpg)
14:47