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....

Turtles (Chelonia) are found in oceans, freshwater ponds, and on land. The Galapagos tortoise is the largest living species of tortoise and, like the...

I was recently contacted by an older lady¹ who grew up in the coal mining area of Appalachia. Her ancestors had lived in the area for generations,...