The phrase
"second genesis" means a new beginning or creation that happens after the first one.
Full definition
We now must confront the goose - bump - raising questions: Did this small icy world host
a second genesis of life in our solar system?
If life on Mars was the result of a «
second genesis,» that is, it began completely separate from life on Earth, it might use combinations of organic chemicals we've never seen before.
Finding the spawn of
a second genesis would be a revelation.
But what if, in the nearly 4.6 billion years of Earth's history, there was
a second genesis?
It would mean life could exist under a completely different chemical environment then what we know to exist on Earth:
a second genesis.
It does not matter whether it's a complex critter or simple microbe: If an alien does not use the same class of biomolecules that Earth life does (DNA, for example), its evolution was almost surely separate from that of Earth — a true «
second genesis.»
Laboratories across the world are closing in on
a second genesis...
A second genesis was seeing firms misspending lots of energy and time debating what they consider the downsides of this generation.