There are around 400 caves in France and Spain that contain painted art made between 40,000 and 12,000 years ago. Many of these bear hand prints or paintings created by children between the ages of two and 12. Experts have long wondered why such young children were taken into some of the deepest and darkest caves in Europe on treks that would have been quite treacherous. A new study suggests that children may have played a special role as mediators between the physical and spiritual worlds, according to a statement released by Tel Aviv University. The prevailing hypothesis has been...