Mainstream scientists have been speculating about other-than-earthly intelligence for decades.
Crick and Watson realized, very early on, that the winding double helix of DNA would cause all kinds of nasty tangles.
Hey — wanna see a talk that combines the following. Black swallowtail butterflies, William Harvey, snarky robotic aliens from Alpha Centauri, and more.
We are not saying DNA is like a message. Rather, DNA is a message.
Let us give some thought to the Y chromosome of Drosophila melanogaster, that engaging fly which is the bond-servant of genetics.