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[h_weeder]

Did you know the Colorado river erodes the grand canyon at a rate of one foot per one thousand years? The earth is 6.4 billion years old. about 3 billion years ago the first life form appeared as a single cell organism. From that we evolved. 99.9% of Earth's organisms are now extinct, and Humans probably will be too one day. I wonder how. And I

Comments

[vagabondshoes]

Evolved? From a single-celled organism? No way. God made us, baby!

Kidding. Of course. I love science.

[poles1c]

sweet..

[cyler]

we are very small and our lives pretty insignificant.

but the fact we know this is quite rare and significant.