Life on Earth may have begun twice. A Science Advances study found that bacteria and archaea inherited one ancient genetic code but independently evolved the machinery needed to become free-living cells — leading the researchers to describe it as “one origin of the genetic code, but two origins of life.
Joint Statement by Secretary of Health and Human Services Robert F. Kennedy, Jr. and Secretary of State Marco Rubio: United States to Serve as Secretariat of the Geneva Consensus Declaration