Alligator Eggs
worrydream.com
worrydream.com
1) When I hit the surprise "my mind was blown", to use a phrase popular elsewhere on the internet.
2) I still don't have a snowball's chance in hell of understanding it. :)
The color changing rule is also a bit clumsy. If I were a kid I would wonder if the two question marks are the same kind in that puzzle. In fact, they may or may not be the same, but appearance wise they look the same.
Hope that helps with anyone who decided to sit down and figure out the puzzle on paper.
Every now and then, probably about twice a year, I come across something so good I print it out and keep it. This is one of those essays.
It's waaaaaaaay too complicated for mass-market!
This is a big problem with education today, IMO - trying to make everything 'fun' by dumbing it down and giving it pictures. Even college textbooks have started talking to me as if I were an 8-year-old. I prefer the converse - when I was 8, reading high school textbooks from the decade prior. I didn't understand much, but it was still quite interesting.