"The purpose of this book is to discuss and present evidence for the general thesis that the flow of energy through a …"

"While no one is going to make a decision on abortion purely on scientific grounds, we feel that everyone, at the very…"

"This type of answer is profoundly unsatisfying, but it’s about all you can expect if you ask the wrong question."

"Because of the importance of the Judeo-Christian tradition in America, it is important to understand abortion as deal…"

"All forms of life are related to each other, and the basic mechanisms that drive all of them are the same."

"The fact that both you and the amoeba use these universal molecules in your energy metabolism is as striking an examp…"

"At the chemical level, human beings just aren’t all that different from pumpkins or any other life forms."

"We recognize that to many people such a statement of cold biological fact misses something essential about the develo…"

"The end point of this reasoning is that any policy based on assigning a unique status to conception in the emergence …"

"Even with this abbreviated sketch of the process of fertilization, one thing is obvious. When biologists object to st…"