The Flood cannot have been local, else there would have been absolutely no need for an Ark or collection of animals. Noah had 40 days to shift to another region of the world. If he could build a titanic boat in 40 days, he could have just built a small one and moved onto India or somewhere.
The mathematicians knocked on the door and took the biologists' single ticket, before hurrying off to the other toilet to pull the same trick they did last time. :D
The Jains described microorganisms in the 23rd century BCE. A Roman scholar described germ theory in the 1st century AD. Does that make Jainism or Roman mythology the correct religion?