[ohioWfan]

I understand what you're saying, but the average museum goer is not a scientist, so it doesn't need to be that complex.........from a scientific standpoint.

As it stands, what it 'tentative' is stated as hard, cold fact.

That's all the distinction that needs to be made for the general public.

And it would be much less expensive to just tell the truth, adding only a few words on the exhibits, than to start a massive education project for people who probably didn't listen in Biology class in the first place. ;)

[From many - one.]

I'm a bit bithered by your use of the phrase "tell the truth" since what you are asking for is actually a partial truth.

Of couse, everything in science is tentative, but it is also backed up by mountains of data (varying height mountains, to be sure).

To have every museum placard have to spell all this out for every exhibit is untenable and, for the visitor, tedious.

That is why I am both looking for and asking for other alternatives