The Human Spark
Peer into Alan Alda's head as we uncover where our most human abilities reside.
Alan Alda explores how much humans and chimps have in common, and what sets us apart.
Alan Alda explores why our ancestors flourished, while our Neanderthal cousins died out.
An exploration of some of the different characteristics that distinguish the hominid.
Have we bred a glimmer of the human spark into man's best friend?
Researcher Laurie Santos demonstrates an illusion test she runs on monkeys in Puerto Rico.
Could the human ability to run be a prerequisite for the evolution of our bigger brains?