Doctrine of signatures
Article by Richard Cassaro.

Reptilian brain
operates at an unconscious level of basic instincts

Squirrel photobomb
by Melissa Brandts, Banff

Shamanism and Soul Retrieval
Article by Paula Rosenfeld

Book of the Dead
Ancient Egyptian book of Coming Forth By Day

Past life memories
Psychiatrist Jim B. Tucker studies past-life memories of children, continuing the research begun by Dr. Ian Stevenson