This story doesn't (at least yet) inform the evolution of human energetics, running, or the like, but I feel remiss if I don't share some of the big human evolution stories here, and this one's big.
A few years ago, the Naledi hominin fossils joined the ranks of the Dmanisi and Flores specimens in confusing the hell out of us. Small brained, primitive looking humans were in places we didn't expect, at times we really didn't expect. The Naledi hominins are the strangest of all, but we didn't know how old they were. They've finally been dated to 200,000 to 300,000 years. That is... very recent. If this date is verified, there are some big implications for our understanding of the human timeline.