Flame Challenge, The Witness, Two Events on the Same Day, Baby Steps in R

Explaining Science to an eleven year old.

A new game from Jonathan Blow – “The Witness“. Mmmm puzzles.

“The Mongols fought the Crusaders and the Samurais AT THE SAME TIME”

I love AskReddit. Two events that took place simultaneously. Via kottke.

H20 is what the cool kids are on now according to the comments.