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! [...]
Antibiotic Resistance and Bacterial Evolution
Picture it: A giant (like, seriously giant) tray full of bacteria. Billions and billions of bacteria just growing and spreading. A germaphobe's worst nightmare? Nah. These bacteria (like most [...]
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?
From Gene to Disease: Sickle Cell Anemia
Think that evolution always results in disadvantageous traits becoming less common in a population? Think again.
