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 [...]
Evidence of Evolution: Homologous Gene Expression in Four Mammal Species
What do a bat, a pig, a mouse, and an opossum have in common? In this lesson plan students will explore both the structural and genetic homology of tetrapods!
HIV: Sequencing and Common Ancestry
Using DNA analysis, researchers were able to effectively trace the evolution of HIV backwards in time to find the common ancestor of HIV samples circulating among humans today. Why is that [...]
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?
