Molecular biologist Dan Graur mentioned his weird idea that guinea pigs are not rodents at a lecture at my university in Tübingen when I was still a student.
Primates not only appeared suddenly, but their different subgroups of lemurs, tarsier, and simians all appeared at about the same time.
Neurons in a rat’s whiskers “represent multiple stimulus features in a tiled and continuous manner, thus encoding large regions of a complex sensory space.”
The human organ shortage is one of the great bioethical dilemmas of our time. Expanding the organ supply is a matter of life and death.