Hi, everyone, I'm Mwaksy. I'm Greg.Quick question, Greg. Yes. So, I know if I let drop this apple,it will fall because of gravity. Yes.Ooh! Good catch.But what exactly is gravity? Gravity is a force ...
ANDY TORBET:Welcome to Beyond Bionic on BBC Teach. I'm Andy Torbet, the show's presenter, and on every episode I try and match the super-skills of some of nature's best athletes. ANDY TORBET:And ...
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