A basic form of ESP testing. It uses a deck of cards (such as regular playing cards or Zener cards) and repeated rounds of testing. This technique can be used to test for precognition, by having the subject guess a card before it is revealed, telepathy, by having the subject guess a card being looked at by the tester, etc.
Readers, please enjoy this guest blog post by Nathan M. Hall, author of the new Path of the Moonlit Hedge.
The lowly mushroom is experiencing a celebrity moment lately.
Maybe it's because of shows like Star Trek: Discovery, which featured a...