As inquisitive beings, we are constantly questioning and quantifying the speed of various things. But what about the speed of thought? It’s a challenging question that’s not easily answerable – but we can give it a shot.
The image to the left is of the traffic inside a normal brain, thinking about things like crisps, football, money and what to say on Twitter that's both funny and politically correct. The brain to the right is a carefree one on a psychedelic drug, illustrating how much the connections in our heads can be rewired by magic mushrooms. [Wired]