Thứ Ba, 16 tháng 8, 2016

NPR News: Racing The Middle School Brain

Racing The Middle School Brain
How do you pedal a 200-pound pink brain — made of rubber, foam and steel — up 45-degree hills, through thick mud and water without breaking? These middle schoolers have eight months to figure it out.

Đọc tiếp trên NPR
At August 16, 2016 at 05:00PM
Categoty Education

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