A mother's hug is the warmest place to hide; in their mother's arms, a child feel safe, sound, and energetic. Is there a physical explanation?
"We have known for a long time, but scientists have just recently acknowledged that animals other than humans have emotions." P. Ekman.
Imagine a child watching a cartoon on television, depicting a bloody battle; what can we expect this child to do to solve their problems?
Horses provided the first means of fast travel and allowed long-range mobility, which helped trade, migration, and cultural interaction to flourish.