A 4-year-old boy's very best buddy is a five-foot-tall skeleton named Mr. Bones ... bring Mr. Bones on a family picnic and feed the skeleton figs. Just like that, a beautiful friendship was ...

Photo caption: Little Foot was discovered in the 1990s in a cave in South Africa and is the most intact ancient skeleton of any human ancestor. Disclaimer: AAAS and EurekAlert! are not responsible ...