Compare & Contrast: Egypt & China. Ancient Egypt and ancient China had many cultural differences and similarities. While Chinaâs form of government is monarchy, Egyptâs is theocracy. As for their religious beliefs, even though theyâre both polytheistic, they have different Gods. Another difference in the two civilizations is the environment.
Palaeontologists have found what is likely to be the oldest known dinosaur, filling in a yawning evolutionary gap. A study in Biology Letters describes Nyasasaurus parringtoni, a new species from 10-15 million years before the previous earliest dinosaur specimens.
Compared to the oldest fossils ever found, though, Sue is the new kid on the block [source: Field Museum ]. Some of those ancient fossils, known as stromatolites, are more than 50 times older than Sue -- 3.45 billion years old, to be exact [source: University of Munster ].