In the time of the early Earth, Airgas, the supplier from which the researchers obtained their materials, was not around.
While England’s laboratory work is fascinating, what’s happening in his experiments differs dramatically from what is required of even the simplest life
Any evolving system of RNAs would quickly include almost exclusively RNAs that performed no biologically useful actions.
The lectures are accompanied by quizzes to help track your progress, perfect for everyone from high school students up through college professors!
Orphan genes — genes that are present in only one species, or a group of closely related species — are of particular interest to advocates of intelligent design.