1. From Krulwich:

Take a look at this photo, and as fast as you can and out loud,  say whether each hand is pointing right or pointing left. Science writer Chris McManus says most people have a significantly harder (and slower)  time doing the left/right test. And if the question is, “Which hand is a  right hand or a left hand?” things get glacial.
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    From Krulwich:

    Take a look at this photo, and as fast as you can and out loud, say whether each hand is pointing right or pointing left. Science writer Chris McManus says most people have a significantly harder (and slower) time doing the left/right test. And if the question is, “Which hand is a right hand or a left hand?” things get glacial.

  2. left-handed

    right-handed

    science

    left

    right