Q. What makes cabinet doors stick? We have several theories thrown around in meetings, but we want the truth.

Q. Color change of wood...why? The variation is killing us.

Q: We use natural wood in many of the outdoor displays. Which species are most resistant to water damage? What kinds of finishes can be used that will best protect outdoor wood?

Gene Wengert, the Wood Dr., comments on the railroad tie situation.

Q. I never thought I would be emailing you with a question, but here it is. We use white oak quite a bit and recently have had a sawmill offer us some post oak that he says is a white oak. Is this a reasonable substitute? What is post oak?

Q. I was in Colorado and saw some pine lumber that was called denim pine. I never heard of this. It looked good. What is it?

Q. Not an urgent question, but why are nails sometimes called by the “penny” such as a 16 penny nail. Everyone seems to have a slightly different answer, so I am asking you.

Q. Here is the story. We ordered some panels from overseas. They arrived in the container and looked pretty good, but then a few days after we took them out of the container they warped quite a bit and are unusable. We just checked the moisture and it was fairly low, around 7 percent MC. What is happening and what can we do?

Q. Can you give me an interesting story about wood? I have to give a talk to some children and want something interesting to begin with.

Q. We make a lot of wood mouldings out of yellow-poplar. We have received some yellow-poplar with gray stain on the ends of the lumber, running a foot or so up the board. What is this? Does it affect the use of this lumber for moulding or other uses?