Dinosaurs may Have Had Babysitters: Study

Researchers have found an evidence of possible dinosaur nest that may have also had a babysitter to look after the young dinosaurs. According to a new study by University of Pennsylvania researchers, a rock slab containing fossils of 24 very young dinosaurs and one older individual suggested that a group of hatchlings was overseen by a caretaker. The researchers believed that this specimen might offer evidence of post-hatchling cooperation, a behavior ...