Two pythons: evolution of snakes When did snakes evolve? Snakes evolved from lizards only about 150 million years ago, during the Jurassic Period. This is during the time of the dinosaurs, about the [...]
The Andes mountains run down the Pacific side of South America South America is a long, narrow continent running from the equator down nearly to the South Pole. So the north [...]
Saladin's castle in Cairo, where Maimonides worked Maimonides and health care In the 1100s AD, when Maimonides wrote his book about medicine, doctors didn't have very many medicines or medical treatments that worked. The Guide [...]
Medusa's sisters, from an Athenian Proto-Geometric vase about 675-650 BC So Perseus took the winged sandals and the sword and the shield and he said thank you and he flew to where Medusa's cave was. She [...]
Bull dancing sculpture from Minoan Crete, now in the British Museum Bronze Age sculpture on Crete In the Bronze Age there was not a lot of sculpture in Greece. In [...]
The Shang Dynasty city wall around Zhengzhou (thanks to Gary Todd) There was a city wall of rammed earth around the Shang capital at An-yang, and around other cities like [...]
Boa Constrictor snake Some kinds of amphibians evolved into reptiles about 300 million years ago. At this time, plate tectonics had moved more and more of the land on Earth into [...]
A West African story Long, long ago, according to this West African story, the sky god Nyame kept all the stories locked up in a wooden box, up high in the sky, [...]
