Mind-blowing fact about mathematical power

Hey. I saw this below about the power of math to tell you things not happening in your presence, and it was totally mind-blowing, I thought I must share.

2200 years ago, Eratosthenes estimated the Earth’s circumference using math without ever leaving Egypt. He was remarkably accurate. Christopher Columbus later studied him.

Source

Bonus fact: Birds are dinosaurs.

Do some research, and tell us if you agree or not.

Disturbing Video: Why You Must Always Check Well Before Opening A Car Door

In the shocking video below, you will see ghastly accidents that would have been prevented if only a driver or passenger had taken a second to look before opening their car door. Let’s be properly guided, please.

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