Among some people, it changed their lifestyles, brought comfort in daily lives, improved health, education, and business.

Imagine early humans meticulously crafting stone tools for nearly 300,000 years, all while contending with recurring ...

One hundred years ago, a substitute teacher in Dayton, Tenn., was charged with the crime of teaching Charles Darwin's theory of evolution by natural selection. His name was John Scopes. At the time, ...