In this episode, Dr. James Tour analyzes a false claim of molecular homochiral evolution, asking, in one example, how proteins could become homochiral when no prebiotically relevant route has been shown to synthesize, separate, or polymerize homochiral amino acids. Furthermore, a discussion on the possibility of racemic molecules in cells takes place. Finally, the amazing phenomenon of chiral-induced spin selectivity (CISS) is introduced, and Dr. Tour shows us how this enables the cell to be the amazing efficient machine that it is.

Video Index:
coming soon…

Links in this Series | Addressing Abiogenesis & Common Misconceptions
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Series Trailer:

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0 – Reasons for this Series:

1 – Introduction to Abiogenesis:

2 – Primordial Soup:

3 – Hype:

4 – Homochirality:

5 – Carbohydrates:

6 – Building Blocks of Building Blocks:

7 – Peptides:

8 – Nucleotides:

9 – Intermediate Summary & a Call to Colleagues:

10 – Lipids:

11 – Chiral-induced Spin Selectivity:

12.1 – Cell Construction & The Assembly Problem, Part 1:

12.2 – Cell Construction & The Assembly Problem, Part 2:

13 – Summary & Projections:

Link to the cited video (“Elucidating the Agenda of James Tour: A Defense of Abiogenesis”) can be found in the video description of Episode 0 – “Reasons for this Series” here:

The passionate thumbnail for this video uses a still frame image taken from Dr. Tour’s video on Flash Graphene when he says “any” in the phrase “any carbon source” at 0:12:

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God bless you.

#Abiogenesis #JamesTour #OriginOfLife

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