Comments by "L. Spencer" (@L.Spencer) on "TED" channel.

  1. It's amazing that a one celled amoeba became a brain. It takes great "faith" to believe that it happened all by itself.
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  2. Funny, I just realized one of my needs. I already knew it, but now I understand better how it's affecting me.
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  3. So how do we know if we have a vitamin deficiency? Doctors rarely test for that.
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