If you compressed the entire history of Earth into a single calendar year, humans appear at 11:36 pm on the 31st of December, agriculture at 11:59, and everything written down in history occupies the final 15 seconds before midnight

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The most useful thing about compressing Earth’s history into a calendar year is not that the timestamps are perfect. They are not. The value is that the scale finally becomes visible. A planet that has existed for about 4.5 billion years can be placed inside a single familiar object: January, February, March, all the way [...] The post If you compressed the entire history of Earth into a single calendar year, humans appear at 11:36 pm on the 31st of December, agriculture at 11:59, and everything written down in history occupies the final 15 seconds before midnight appeared first on Space Daily .