Favored by the animal-rights movement, the idea is misanthropic, and I would say, implicitly racist.
If you ever encounter a horseshoe crab on the beach, you are a looking at a creature that would not have appeared out of place hundreds of millions of years ago.
The key lies in a triple-layered structure and a protein called osteopontin.
With a proposal for human/chimp hybrids, evolutionist David Barash vents his rage against religion.
Never fear: whatever our purely hypothetical response to a purely hypothetical event, it can be reconciled with evolution.