> Are there concepts that our human brains are biologically incapable of understanding As silly as it sounds: UFOs. Chasing UFOs with jet-fighters is probably

> Are there concepts that our human brains are biologically incapable of understanding As silly as it sounds: UFOs. Chasing UFOs with jet-fighters is probably as silly as a dog eating a credit card. To be clear, I don't imply that UFOs exist. Science says "I don't know" for the few serious cases that are still unsolved, and that's my answer too.