Here's something that'll make you think twice before complaining about those week-old Thanksgiving leftovers: a team of Chinese archaeologists have unearthed what they believe is a 2,400-year-old pot of soup with its contents still liquid, the BBC is reporting. The group discovered the soup, contained in a three-legged bronze cauldron, near a tomb under excavation in Xi'an, Shaanxi Province, a Shaanxi-based archeologist confirmed.