Leon Kass

Many people recognize that technology often comes with unintended and undesirable side effects.

There were certain questions about the foundations of morals that advances in science all threaten to make more complicated.

Biology, meaning the science of all life, is a late notion.

I have nothing against respecting people who lived before, but we have no responsibility toward them.

If you have easy self-contentment, you might have a very, very cheap source of happiness.

There is a lot of hype and fear about this much-talked-about prospect of designer babies.

It's very hard to make arguments about the effects of cloning on family relations if family relations are in tatters.