First life could have evolved on ancient islands

Live Science | Jan 13, 2021 at 1:00 PM
  • Some scientists believe that the first microbial life emerged at undersea hydrothermal vents.
  • For the warm-water pool hypothesis to work, though, early Earth needs to have hosted solid ground — no solid ground means no place to put warm-water pools.
  • This means that even as the new oceanic crust cooled and contracted, it was pushed upward.