Every theory presented as a scientific concept is just that; it's a theory that tries to explain more about the world than previous theories have done. It is open to being challenged and to being proven incorrect.

Pigs eat grass if they are very hungry, but they can't use it as a regular source of food.

Every theory presented as a scientific concept is just that; it's a theory that tries to explain more about the world than previous theories have done. It is open to being challenged and to being proven incorrect.

Food, like sex, is one of the principal kinds of human activity that engage people when they wonder about how to account for different kinds of human behaviour.

Yes, a general principle that comes out of research behind Good to Eat is that there are no world religions that have acted to decrease the potential for the nutritional well-being of their followers.

There are very important and practical issues raised by following this alternative route which says, lets look to material conditions, to the systems of production, to the needs that human beings have, and to competing alternative solutions to the satisfaction of those needs.

I don't see how you can write anything of value if you don't offend someone.