Ask a science teacher, how everyday stuff really works : why don't we feel the Earth spin? How do airplanes stay in the air? What makes blood red? and 247 other things you've always wondered about

Ask a science teacher, how everyday stuff really works : why don't we feel the Earth spin? How do airplanes stay in the air? What makes blood red? and 247 other things you've always wondered about

2013 · 7.56 MB · English
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