A Random

SCIFI.radio story

Earth is invaded by a swarm of sentient nanobots faintly blue insectoid singing man-eating plantswho do not understand us even though they are radioactive who tend to stutter under pressure when confronted by a slap to the side of the head with a large fish , but scientists create a new weapon which turns them into weird rocks.
The End.so they eat us all.
The End.