The existence of progenitor food crops (edible plants) on Earth was a necessary starting point for the availability of our food.
The researchers say that the same relationship holds true for cuttlefish, chimpanzees, and humans.
I’ll close with a story. My wife used to set up psychiatric units across the U.S.
Not all humans can be concert pianists. Some humans can’t speak or get out of a wheelchair or remember their daughter’s name anymore. Here we enter into moral and ethical issues.