[Right Wing Professor]

In what units is "evolution" measured?

One could certainly quantitate it as base pair changes.

However, and I know it irritates you as a mathematician, but not all science is a matter of numbers.

[AmishDude]

"Continental drift" is quantitative. It can be measured.

So can evolution in short lifespan creatures in the lab,

That was to what I was responding.

not all science is a matter of numbers.

Indeed, there are many who flail away in the Nerf™ sciences. But ya gotta have numbers of some kind, otherwise, you're just doing the humanities with a fancy white coat.