Gacked from the Bad Astronomer’s blog.
Oftentimes, you have to already have a degree in biology to refute the weird assertions people make about evolution. That speciation hasn’t been observed is one I always have a problem with because, ahem, I’m not a biologist and I don’t keep the details at the front of my brain. All I can say is, “Yes, speciation has been observed in nature and in experiment, but I’ll have to go look up where.” This is usually automatically poo-poohed because I didn’t know right then what the facts were. Alas.
But this is a great video. Very educational.