Humans have been shrinking for 6000 years. Did you know that, when life on Earth began 6000 years ago humans were huge?

Most humans stood around about 150 feet high. The reason for this was because the air was much thicker and humans lived for around 600 years at that time. It is just as well the first humans were so big otherwise we would not have defeated the dinosaurs and had they won...Well, dinosaurs would now be in charge of the Earth.

Food for thought.

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LeopoldBloom · M

Also, early humans could fly by flapping their arms. Many of them flew to Mars and colonized it. Unfortunately the Martian atmosphere was toxic, so after thousands of years, humans shrank and turned green, eventually becoming the well-known little green Martians of today.