The helix, of DNA fame, may have arisen with startling ease

Here's a science enigma: Try to explain where the neat, even DNA/RNA helix came from. Ha! Easy one! It probably spun around itself long before first life evolved like it did in a lab. In fact, the twist could have helped select the components of RNA, not the other way around.

from All Top News -- ScienceDaily https://www.sciencedaily.com/releases/2019/01/190124095112.htm