Francis Crick, a notable scientist who shared the Nobel Prize for uncovering DNA's structure, proposed a fascinating hypothesis about the origins of DNA. He suggested that it might not have originated on Earth but rather arrived from outer space. According to Crick, this extraterrestrial DNA could have been delivered in the form of bacteria sent by more advanced civilizations beyond our planet.

This idea is discussed in Walker Percy’s book, "Lost in the Cosmos: The Last Self-Help Book," where the author explores themes of existence and the potential connections between humanity and the universe. Percy's work invites readers to ponder the implications of such radical theories, examining how they challenge conventional understandings of life’s origins on Earth.