Indy 100 on MSN1mon
Everyone on Earth shares the same single ancestor – and no, it's not Adam
This puts the organism “smack in the middle of the hellish geologic nightmare known as the Hadean Eon.” The Hadean Eon, named ...
Nature3y
Major events in the evolution of amino acid synthesis
The way amino acids are synthesized has changed during the history of Earth. The Hadean eon represents the time from which Earth first formed. The subsequent Archean eon (approximately 3,500 ...