[xzins]

So, Darwin estimated the age of earth at a couple hundred million years.

You reckon we should keep using that number?

[ThinkDifferent]

You reckon we should keep using that number?

We should update our beliefs as new evidence is found, like rational people do and creationists don't.

[js1138]

So, Darwin estimated the age of earth at a couple hundred million years. You reckon we should keep using that number?

As the time needed to go from single celled organisms to the current state of things, it's remarkably accurate. It is essentially the period since the early Cambrian.