Thousands of years ago, an Ice Age hunter set down a small pouch containing essential survival tools beside a campfire in what is now the Czech Republic, but never came back to retrieve it. ZME Science reports that archaeologists recently recovered the objects at a site known as Milovice IV in southern Moravia. Although the leather or hide pouch had long since decayed, the team found 29 small blades and points. Some had been used as projectiles on the tips of arrows or spears, while others seemed to have been used to cut or scrape animal skins. Most of them...