Farming was developed first in the Middle East, about 10,000 years ago. It was developed in China 1,000 years later, and in three parts...
The Big Bang was a huge explosion of energy. Some of it condensed into matter. That set the universe in motion. It led to...
Science today depends on the same five steps of observation, self consistency, universality, reproducibility, and debate as it did 500 years ago. But how...
