People often take for granted every muscle-based movement our bodies make. But the structure and function of muscle movement is as complicated as any biological task in humans or animals.

Could living near trees possibly affect human health? Increasingly, studies indicate that trees can improve human health. Evolution doesn't expect this, but biblically speaking, trees and people have close ties.

Casual observers are not the only ones who puzzle over dinosaur footprint origins. After all, other animal tracks in mud are not fossilized today because erosive processes rapidly erase them. If a rock layer requires thousands of years to solidify, then how were dinosaur tracks recorded in them?