The origin of life, a continuing puzzle! See my blog posted on Big Think, with link at.

(https://www.searchforlifeintheuniverse.com/post/the-leading-…hit-a-snag)

Earth’s first primitive organisms may have originated at alkaline hydrothermal vents in the deep ocean several billion years ago, according to the leading theory. New research challenges the theory, causing some scientists to reconsider other hypotheses.