In part 3 of this series, I’ll take two of the claims made by the Strength’s and Weaknesses website, as they really are the same thing. I’m not sure if the author thinks that they are two different things or what, but it is odd. Of course, while the science is not settled, it is far from the claims of the website.

No known way to achieve 100% left-handed amino acids in proteins or the 100% right-handed sugars in RNA and DNA – all of which are universal to life systems.
All natural processes are known to produce a 50-50% mixture of left-handed and right-handed molecules.