Disemboweling the left and right (in Spanish)
A play on the spanish word "Desentrañar" which means at the same time "To disembowel" and "To descifer". An accessible overview of different theories of how our cells can tell left from right during embryonic development. This extraordinary ability determines the positioning of our internal organs: liver on the right, heart and stomach on the left. And even perhaps the difference between the brain's hemispheres?
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