46. Adrenochrome:
A chemical compound produced by the oxidation of adrenaline (epinephrine). A cabal of Satanists murders children, using the adrenochrome they harvest from their victims' blood as a drug or as an elixir of youth. 69. Humans got intelligence from cannibalism - Modern humans de-evolved from a species of brain-eating apes. This diet increased the apes' brain size, sex drive, and aggression, but suppressed their purported innate psychic ability, eventually causing insanity.