Evolution is change in populations of organisms over generations. Offspring differ from their parents in various ways. When these differences are helpful, the offspring have a greater chance of surviving and reproducing, making the differences more...
The conception that living organisms are changing or mutable originated in the thoughts of Empedocles, an ancient Greek philosopher (c. 490-430 B. C. E.). He drew on the theories of Greek philosophers preceding him to suggest a unitary view of the...
The concept of evolution first emerged in the early nineteenth century. Up until that time, the post-classical Western world had generally regarded the account of creation provided in the Biblical book of Genesis as literal fact. Thus, it was held that...
Evolution is the process of biological change over time. Such changes, especially at the genetic level are accomplished by a complex set of evolutionary mechanisms that act to increase or decrease genetic variation. Because of their rapid development...
Evolution is the process of biological change over time. Such changes, especially at the genetic level are accomplished by a complex set of evolutionary mechanisms that act to increase or decrease genetic variation. Evolutionary theory is the...
A Dec. 1 news story put Oklahoma in the debate about evolution and creationism ["Oklahoma's Divisive Disclaimer on Evolution"]. I'm not an expert on the origin of mankind, but I can set the record straight on how I feel about an evolution disclaimer crafted...
Behold the giant Galapagos tortoise! It weighs several hundred pounds, lives God-only-knows how long and on the day a couple of weeks ago when I was on the Galapagos Islands, could not be beholden at all. The tortoise we wanted to see, Lonesome George,...
“It’s the same now as it was then,” said Michael Cristofer of his current role playing Charles Darwin in the Atlantic Theater Company’s production of Trumpery. “The controversy over his ideas is still very alive in the United States, which is kind of...
WASHINGTON (Reuters) - Pregnant women may stand out a mile away with their characteristic backward-leaning stance, but that clumsy-looking position is a unique adaptation that evolved over millennia, anthropologists said Wednesday. Pregnant pre-humans appeared to have stood the same way. And it may save...
This essay outlines the reasons why evolution is such a slow process, and demonstrates why the massive time scales of evolutionary change are difficult for some people to comprehend.
