The Monty Hall Problem
This problem keeps cropping up online when really it's been done to death and you'd think everyone would have agreed and understood it by
Liquids and Capillary Action
If oxygen atoms didn't pull electrons a little bit harder than hydrogen ones, water molecules wouldn't be 'sticky', they wouldn't form surface tension, vapour
The Train and The Fly
One of the enduring paradoxes is that of The Train and The Fly. It puzzled a lot of people until my physics teacher explained