dtgreene: Let's suppose the following:
A and B are mutually inconsistent (in other words, A and B can't both be true)
Common sense says A. In other words, it feels like A is "obviously" true.
Science, from what you have heard, says B. (Assume the source is something you generally trust, but not a primary source)
Do you:
1. Accept A as being true
or
2. Accept B as being true
or
3. Try to track down the scientific study in which B is shown, and actually read said study (Note that this option is, obviously, more work than 1 or 2.)
I hereby reject your dark reality and substitute my own.