Scientists have long believed that a universal genetic code serves as a blueprint for all life on Earth, dictating the structure and function of organisms from the simplest bacteria to complex humans.
Tyrannosaur fossils show the animals squared off and bit each other in the face. Illustration by Emily Lankiewicz / Zissoudisctrucker via Wikipedia under CC BY-SA 4.0 / Public Domain Part of our ...
Fossils from New Mexico change how we look at dinosaur history.