00:00Did life on Earth actually start not once, but twice?
00:03Impossible!
00:04New research reveals free-living cells emerge twice,
00:07as bacteria and archaea evolve distinct metabolic pathways.
00:11Think of two separate chemical reactions,
00:14each forming distinct kinds of early cells.
00:16This evidence shakes foundational theories
00:19about how all creatures started from one ancestor.
00:22It means life might be easier to spark than we ever dared to dream.
00:25If life started twice, what other secrets are Earth hiding?
00:29Find out more, link in bio.
