Remember when our solar system had nine planets? (If you don't, please don't tell me because it reminds me of how old I am). Well, not satisfied with eight planets, some astronomers have been [...]
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!
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?