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.
Scientists have found an ancient sea worm with jaws made from a mysterious 'bio-metal' never encountered before, a discovery that could rewrite what we know about nature
Science news this week: Gold tongues discovered in tombs, sugar found in space, a new monkey identified in the Congolian rainforest, and ancient impact crater 'geoguessed' by an amateur astronomer