Science, Scripture, and the people stuck in the middle

Recently, I had a conversation with a fellow believer, who's also a scientist, about creation, evolution and the many gray areas in between. One thing he said stuck out to me, so I thought I'd toss it out for discussion:

When the Bible and science disagree, the Bible is always right. When Christians and scientists disagree, scientists are usually right.

Do you agree? Why or why not? What the implications?