A debate that went into extra innings: Can baseballs curve?6 years ago

07:14

A debate that went into extra innings: Can baseballs curve?6 years ago

07:14

The test that changed childbirth6 years ago

06:41

The test that changed childbirth6 years ago

06:41

The test that changed childbirth6 years ago

06:41

A letter from home6 years ago

03:31

A letter from home6 years ago

03:31

A letter from home6 years ago

03:31

Why isn’t lynching illegal?6 years ago

06:35

Why isn’t lynching illegal?6 years ago

06:35

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