Soon after Harris’s HeLa-chicken study, a pair of researchers at New York University discovered that human-mouse hybrids lost their human chromosomes over time, leaving only the mouse chromosomes. Thi...
The sort of thinking at the time was, 'Well, we're giving you access to medical care which you wouldn't otherwise be able to get, so your payment is that we get to use you in research.'
Lillian converted to Puerto Rican, Gladys said, holding the letter to her chest. I looked at Gary, who sat beside her. Lillian’s skin was real light, even lighter than mom’s, Gary explained. She marri...
Today an estimated 13 percent of birds are threatened, according to the International Union for Conservation of Nature. So are 25 percent of mammals and 41 percent of amphibians, in large part because...