Five big mysteries about CRISPR’s origins
Peripherally related book recommendation: <a href="https://www.amazon.com/Vital-Question-Evolution-Origins-Complex/dp/0393088812" rel="nofollow">https://www.amazon.com/Vital-Question-Evolution-Origins-Comp...</a>
Someone here on HN recommended it to me and it was an awesome read (that I doubt I understood).