Feathers, which are the most complex integumental structures known in the animal kingdom, without doubt required coordinated changes in numerous genes.
It turns out the mouse endogenous retrovirus L (MERVL) is essential for embryogenesis, according to a recently published article.
I’ve watched many Khan Academy videos over the years — sometimes just for fun, and sometimes to advise teachers on whether they are good tools to use.
When I was younger, my family lived next-door to a retired dentist named Max. Before entering dentistry, Max studied biology at UC Berkeley.
A lady from Spokane advanced her view that God originated by hatching from a dinosaur egg.