10 Great Science Hoaxes

The 'Skeptoid' podcast episode '10 Great Science Hoaxes' delves into the history of deliberate deceptions in the scientific community. The episode begins by acknowledging the general distrust in science and scientists, exacerbated by a small fraction of scientific frauds and hoaxes that have left a lasting impression on public memory. The host, Brian Dunning, sets out to explore ten notable cases where individuals attempted to deceive the scientific community, meeting two criteria: the hoax must be intentional and aimed at fooling scientists, not just the public or investors.

The first hoax discussed is the subliminal advertising claim by James Vickery, which purported that subliminal messages in a movie theater could boost sales. Despite being debunked, the myth persisted, showing the enduring impact of such hoaxes on popular culture. The episode then highlights the Socal paper by physicist Alan Sokol, a nonsensical paper published to expose low standards in scientific journals, which led to a positive outcome of increased vigilance in peer review.

The infamous case of Andrew Wakefield's fraudulent paper linking vaccines to autism is another dark example. The hoax caused a resurgence of preventable diseases and deaths, illustrating the dangerous consequences of scientific deception. The Archaeoraptor fossil, a composite of different fossils, is noted for fooling some scientists until it was exposed by peer-reviewed journals.

Another hoax, the disappearing blonde gene, is a recurring false claim that the recessive gene for blonde hair will vanish, which periodically captures media attention despite being genetically baseless. The episode also recounts the Piltdown Man, a fossil fraud by Charles Dawson, which fooled the scientific community for a while until genetic testing exposed the hoax.

The Cardiff Giant, a petrified giant created to ridicule creationists, ended up as a sideshow attraction, indicating how hoaxes can evolve beyond their original intent. The Tasaday tribe hoax, which exaggerated the primitiveness of an isolated group for media consumption, and the Mechanical Turk, a chess-playing automaton hiding a human player, show how hoaxes can captivate and mislead the public. Lastly, the Kensington Runestone, purportedly left by Vikings in Minnesota, is another hoax perpetuated by local lore despite scholarly dismissal.

Each case illustrates the audacity of hoaxers and the varying degrees of success they have had in fooling experts. While some hoaxes have been harmless or even beneficial by leading to improved standards, others have had dire consequences, underscoring the importance of skepticism and rigorous scientific scrutiny.