How about the Great Deception that there was no such thing as global warming, a subject kept mum throughout media until recently. And that Big Oil made claims–which many so-called scientists affirmed–that its product had NOTHING to do with climate change (a/k/a global warming)?
To those who view psychology as a science, it was considered unquestionably true that women exhibited neuroses due to not having penises.
Some scientists wrote papers that influenced many of their peers that Black persons had inferior intellects.
Just as it’s the LOVE of money that works as the root of all evil (rather than money, itself); Science, when used by corporatists or military madmen, becomes a great EVIL.
Since I firmly believe in reincarnation, which the all-seeing, and all-knowing Yunzer readily dismisses… I would not be at all surprised if he stood among those who condemned Galileo to death for DARING to challenge the orthodoxy of his time–in this idea that the Earth was the center of the Cosmos.