To keep Darwinism from turning into a mindless cult I think you should have a presentation on epigenetics, thereby exposing the fact that the theory of evolution as it has been taught for decades is not altogether right. There’s much more to evolution than random mutations and natural selection.

Replicate one of his experiments. A good one; because it is ongoing and is not what many people would expect, is the rock on the lawn one. He placed a large rock on his lawn to see how long it would take the worms to bury it in the soil, it is still there but much lower. And it was part of his proof that worms create soil, it is also interesting to archaeology and history enthusiasts.