The Origins and Evolution of Human Bipedality
Have you ever stopped to think about how odd humans are? Not, like, in general, but biologically? For one thing, very few other animals walk the way we walk, on just two limbs. Our closest living [...]
Artificial Selection and the Evolution of Domestic Dogs
Looking at a wolf and a German shepherd, it is easy to think: "Sure, related." But what about a wolf and a Pekinese? Have you ever seen those dogs? They look like adorable walking footstools! [...]
Convergent Evolution in Animal Locomotion
Fins, wings, and...fractions? Find out how simple measurements revealed a striking convergence among animals as varied as whales, birds, and sea butterflies. (Wondering what a sea butterfly is? [...]
Evolution and Health: What is a Mismatch Disease?
What do aching knees, a sore back, diabetes, and poor eyesight have in common, besides being, well, common? You’ll find out in this lesson, but here’s a hint: it has something to do with evolution.
Evolution and E. coli: Natural Selection in a Constant Environment
Researchers have been tracking E.coli through 60,000 generations to answer a fundamental question: How does natural selection work in a constant, stable environment?
Trends in Evolution: Convergence and Divergence
Modern computer modeling unveils something surprising about a classic example of evolutionary convergence and divergence: the Anolis lizards of the Caribbean.
