Whether we realize it or not, we carry in our mouths the legacy of our evolution. Our teeth are like living fossils that can be studied and compared to those of
Since ancient times, we have tried to make sense of our universe by observing objects far beyond our abilities to see or touch - from the smallest atom to the f
Members of the mammalian clade Carnivora have invaded nearly every continent and ocean, evolving into bamboo-eating pandas, clam-eating walruses and of course,