In the case of Stalinism, people actually distorted science, because it was for the good of the Communist Party.

Most people understand that sexual lust has to do with propagating genes. Copulation in nature tends to lead to reproduction and so to more genetic copies. But in modern society, most copulations involve contraception, designed precisely to avoid reproduction. Altruism probably has origins like those of lust.

Molecular genetics can show off some surprising relationships like, for example, the close relationship of whales to hippopotamuses, which I think nobody ever guessed until molecular data was looked at. The closest relatives of whales are hippopotamuses, even closer than any other cloven-hoofed animals.

Creationists eagerly seek a gap in present-day knowledge or understanding. If an apparent gap is found, it is assumed that God, by default, must fill it.

It's known that stress gives rise to disease. It's also known that many diseases, especially stress-related diseases, can be cured by placebos - pills that have no medicinal effect, but people think they do, and so they do.

Good and evil - I don't believe that there is hanging out there, anywhere, something called good and something called evil.

Scientific beliefs are supported by evidence, and they get results. Myths and faiths are not and do not.