A four-billion(ish) year old global signal transmission network! Think of the bandwidth in the DNA of trillions of viruses per square meter! And possibly a gal

A four-billion(ish) year old global signal transmission network! Think of the bandwidth in the DNA of trillions of viruses per square meter! And possibly a galactic network, if panspermia is a thing. What's the probability of life emerging ab initio on an organic planet, vs collisions spreading seed molecules from a source planet to those nearby? https://www.universetoday.com/137954/galactic-panspermia-interstellar-dust-transport-life-star-star/ https://www.universetoday.com/137954/galactic-panspermia-int...