When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. "Lucy," our 3.2 million-year-old hominin relative, couldn't run very fast, according to a new ...

Four lifelike reconstructions of prehistoric humans have been unveiled — including a model of a species often dubbed "the hobbit," which, as an adult, was about the same height as a modern 4-year-old.