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Tips for Better Thinking: Anecdotes Are Not Reliable

20 Jan 2021

There is a popular saying in the skeptical community: the plural of anecdote is not data. The clever putdown is meant to remind the person you are speaking to that no matter how many people swear...

The COVID-19 PCR Test Is Reliable Despite the Commotion About Ct Values

15 Jan 2021

True crime series like Serial and Making a Murderer invite us to sharpen our abilities and to outperform the detectives assigned to the case in figuring out what really happened. We hear the...

Reservations About Resveratrol

14 Jan 2021

In 1940 Japanese researcher Michio Takaoka submitted his thesis for a graduate degree in which he described studies of plants with a folkloric history of having medicinal properties. Such studies...

Tips for Better Thinking: Images Can Be Faked

12 Jan 2021

Faked photographs have been with us since the beginning of photography itself, but the wide availability of software and social media has made the creation and distribution of these visual...

The Doctor Carl Sagan Warned Us About

8 Jan 2021

Predictions made by psychics and astrologers tend to quickly fade from memory because of how wrong they often turn out to be, but one prediction made by Carl Sagan, an astrophysicist and famous...

Boost Your Knowledge about Boosting Your Immune System

6 Jan 2021

鈥淩einforce and Boost Your Immune System鈥 promised the ad splashed across two pages of a local newspaper. There were products galore! Mushroom extracts, probiotics, collagen supplements, exotic oils...

Sunshine and Moonbeams

17 Dec 2020

When the imaginative little boy was asked in school to give an example of how heat makes things expand and cold causes them to contract, he authoritatively stated that in the summertime the days...

The Dunning-Kruger Effect Is Probably Not Real

17 Dec 2020

I want the Dunning-Kruger effect to be real. First described in a seminal 1999 paper by David Dunning and Justin Kruger, this effect has been the darling of journalists who want to explain why dumb...

Questions Abound on the Safety of Humidifiers

15 Dec 2020

According to manufacturers, 8 million or so humidifiers are sold in the United States every year. In Canada, it has been reported that nearly half of all households use a humidifier, perhaps owing...

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