In the history of life on this planet, 99.9 percent of all species have gone extinct. But a few have survived almost unchanged. Author Rebecca E. Hirsch introdu

The case history approach has an impressive record of success in a variety of disciplines. Collections of case histories, casebooks, are now widely used in all

"Darwin's book on evolution admitted that "intermediate links" were "perhaps the most obvious and serious objection to the theory" of evolution. Darwin recogniz

You haven’t changed a bit! Living fossils, or modern-day animals that very closely resemble their ancient relatives. Meet the coelacanth, horseshoe crab, drag

What seems to Mike Evans like a boring dinosaur dig in China turns suddenly dangerous when he finds evidence of a live dinosaur in the neighborhood--and he and