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Left-Handed Life: Is the Chirality Problem Near Solution?
October 2, 2014
Cells use only left-handed amino acids and right-handed sugars. A new hypothesis involving the weak nuclear force tries to address this asymmetry.
Latest Attempt to Explain Homochirality Underscores the Problem
April 23, 2013
Finding that some stars emit circularly polarized light will not help explain why life uses only left-handed amino acids.
New Chirality Solution Proposed
May 9, 2012
It's long been a mystery why cells use one hand of two-handed molecules, like left-handed amino acids and right-handed sugars. A new proposal solves the mystery, explaining how this phenomenon called homochirality arises naturally. Wait a minute...