All societies have had ways of understanding nature based on their experiences of it. For example, farmers need to understand the seasons and weather to know when to plant and harvest their crops. Hunters need to understand the lives of animals to know how to hunt them. This kind of understanding of the natural world isn't quite the same as science though. Science typically refers to knowledge that's more organized and formal than that. It's not just an explanation, but a system that uses observations and experiments to build theories that are recorded, passed on to others and built on. The Babylonians lived from about 2,500 to 4,000 years ago in the area that's now Iraq. What makes Babylonian astronomy stand out as being especially scientific is the careful, organized way in which Babylonian scribes ' their keepers of knowledge ' observed, recorded and eventually mathematically predicted the ways that the Sun, Moon, stars and planets move in the skies. Before clocks, observing the...
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