Best of Why NanoSpire ever: A giant meteorite boiled the oceans 3.2 billion years ago. Scientists say it was a âfertilizer bombâ for life By Ashley Strickland, CNN Updated 10:30 AM EDT, Tue October 22, 2024
âWe aim to determine how common these environmental changes and biological responses were after other impact events in early Earthâs history,â she said. âSince the effect of each impact depends on various factors, we want to assess how frequently such positive and negative effects on life occurred.â