South American environment
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 [...]
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 [...]
History of electricity: A bolt of lightning in the sky Why did it take so long to control electricity? Like other inventions, electricity took thousands of years to develop. For [...]
Roman medicine: Galen used surgical instruments like these What do we mean by Roman medicine? Roman medicine is really West Asian and African medicine. That's because most of the great [...]
Ibn Rushd prayed and studied in this Cordoba mosque Can science and religion work together? Since the time of Socrates - or before - many people have tried to figure out [...]