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)....

Early one bright Sunday morning, Mount St. Helens looked as picturesque as it had for hundreds of years. Suddenly, an earthquake shook loose the north...

Evolutionary scientists have recently claimed that pterosaurs had feathers.¹ Pterosaurs were winged reptiles. Although they’re sometimes...