The theory of natural selection was the co-discovery of two men, but by the mid 1860s one of its progenitors began to reject his own theory.
Paul Nelson expresses his appreciation for his University of Pittsburgh mentor Adolf Grünbaum.
Did the science teacher’s octopus really know she was dying? Was she trying to say goodbye?
I remember having an exchange with Tom about the meaning of his last name, which seems to correspond to the Biblical place name Beth El, meaning “House of God.”
I am a biologist, a worker in a field with a sorrowful history of categorizing human beings by race.