1. 24 May



    Talk Nerdy To Me: How We Know This Never Happened

    The Earth is 4.54 billion years old; 3.8 billion years ago, the very first life form came into existence; 225 million years ago, dinosaurs came on the scene; and man took his first steps in Africa 200,000 years ago. How do we know this to be true?

    Science.

    Watch the video/read the full transcript here.

     
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