Author Archives: Fallacy Man

Dear Americans, stop using China and India as climate change scapegoats

I spend a lot of time on this blog debunking bad arguments, and I have previously devoted a lot of effort to debunking bad arguments against man-made climate change. There is, however, one extremely common argument that I have not … Continue reading

Posted in Global Warming | Tagged , | 20 Comments

Vaccines don’t “bypass the immune system”

I frequently encounter anti-vaccers who argue that vaccines are bad because they are “unnatural” and “bypass the natural immune system.” This argument is nothing more than an appeal to nature fallacy. Whether or not something is natural has no bearing … Continue reading

Posted in Vaccines/Alternative Medicine | Tagged , , | 11 Comments

Extreme weather: The effects of climate change are already here

We are in the middle of yet another atypical hurricane season. Between hurricane Florence in America and typhoon Mangkhut in the Philippines and China, both hemispheres have been hit almost simultaneously by unusually strong storm systems. As a result, many … Continue reading

Posted in Global Warming | Tagged , , | 11 Comments

Is it likely that alternative medicine works? The importance of prior probability

Prior probability is basically just the plausibility of a result, given everything else we know about the universe. In other words, when evaluating a hypothesis or a study, you should weight your confidence in the result not only on the … Continue reading

Posted in Vaccines/Alternative Medicine | Tagged , , | 5 Comments

Courts don’t determine scientific facts

Most people have probably seen the recent news that Monsanto has been ordered to pay $289 million following the ruling by a California jury that Monsanto’s glyphosate (a.k.a. Roundup) is dangerous and likely contributed to Dewayne Johnson’s cancer. I could … Continue reading

Posted in Nature of Science, Rules of Logic | Tagged , , , | 54 Comments

Scientism: Is it a straw man or a legitimate critique?

If you browse through the comments on this blog/Facebook page, or the pages of just about any other pro-science page, you will quickly find accusations of “scientism.” Indeed, among those who like to disagree with scientific results, this seems to … Continue reading

Posted in Uncategorized | 40 Comments

Replacing science-based cancer treatments with “alternative treatments” increases your risk of dying from cancer (new study)

Cancer is a truly terrible disease, and although our ability to treat and even cure many types of cancer has greatly improved, our current methods for dealing with it are admittedly imperfect and often have serious side-effects. It is, therefore, … Continue reading

Posted in Vaccines/Alternative Medicine | Tagged , , | 2 Comments