by Brian Thomas, Ph.D., and David Thomas* The bacteria alive in our guts swim using tiny engines that power propellers called flagella (Figure 1)....

When Charles Darwin formulated his theory of evolution, he appealed to the logic of ancestry, the evident diversity of species, and the magic of time....

Guard what was committed to your trust, avoiding the profane and idle babblings and contradictions of what is falsely called knowledge—by professing...