Recently discovered in a cave in the Philippines, a previously unknown species of ancient human contradicts popular evolution theory. It seems that homo sapiens weren’t the only surviving species of humans a few thousand years ago—these tinier, tree-climbing species (aka homo luzonensis) dates back 50-67,000 years ago. A lot is still a mystery about these people though: how did they end up on Luzon, an island off the coast of the Philippines? Did the west-venturing homo sapiens have a role in their extinction? Read more at The Guardian.