Critical Thinking

Faster, Higher, Stronger… Enhanced?

Sophie Tseng Pellar BSc — Fri, 17 Oct 2025 10:00:00 +0000

For most people, track and field exists as a fleeting summer spectacle: ten days every four years when the fastest, strongest, and most gravity-defying humans wage war on a 400-metre oval. For me, this sport is much more. During my time as a varsity athlete, I was consumed by the oval: on it, I trained and competed; beyond it, I devoured every development in the professional track world.

Claims About Blue Spirulina Raise a Red Flag

Joe Schwarcz PhD — Thu, 16 Oct 2025 16:24:31 +0000

In the science communication business, we call them “weasel words.” Why? Because weasels have a reputation for being sneaky and tricky. We are talking about words like “may,” “suggest,” “possible” and “potential” that can trick the reader into forming a positive impression without making a specific commitment. What prompts this discussion about dodgy words? I just finished reading a short article, 850 or so words, about the health benefits of “blue spirulina” on “Healthline,” a reasonably reputable newsletter. I counted the number of times the word “may” appears. An astounding 21 times!

The Bystander Effect Started from a Lie

Jonathan Jarry M.Sc. — Fri, 03 Oct 2025 10:00:00 +0000

You have just been attacked. How likely is it that someone will come to your help?

If you remember the infamous case of Kitty Genovese in 1960s New York, you may despair at ever receiving assistance. Psychology students are diligently taught about this watershed moment; fans of the HBO show Girls were treated to a whole episode about it; and this murder is a core part of the character Rorschach’s origin story in the celebrated graphic novel Watchmen. In the latter, a fictional newspaper headline sums up the tragedy: “WOMAN KILLED WHILE NEIGHBORS LOOK ON.”

AI Comes for Academics. Can We Rely on It?

Jonathan Jarry M.Sc. — Fri, 19 Sep 2025 10:00:00 +0000

By now, the fact that artificial intelligence can hallucinate is, I hope, well known. There are countless examples of platforms like ChatGPT giving the wrong answer to a straight��Ǿ�Ʒ�� question or imagining a bit of information that does not exist. Notably, when Robert F.

The Anatomy of a Bad Argument

Sophie Tseng Pellar BSc — Thu, 18 Sep 2025 22:00:08 +0000

Ever find yourself in a heated argument about climate change, vaccines, or whether the moon landing was “just Hollywood propaganda”? Suddenly, you’re not debating facts, you’re dodging YouTube links and rants about shadow governments. If you’ve ever wondered how a conversation spiraled into chaos, the FLICC framework might help you make sense of it.

Health Canada and Natural Health Products

Joe Schwarcz PhD — Thu, 18 Sep 2025 19:56:36 +0000

“Bach Rescue Remedy” features a Natural Product Number (NPN) issued by Health Canada so one would naturally assume that it will relieve stress and nervousness as the label claims. If you have an earache, you might go for “Ear oil” that claims to relieve pain with extracts of mullein, garlic, calendula and St. John’s Wort. It too has an NPN. So does “Wild Rose Herbal Detox” that claims to detoxify the colon and kidneys with its 24 ingredients extracted from the likes of dandelion, burdock, licorice, buckthorn, raspberry and radish.

PragerU Targets Kids and Parents with Shockingly Bad Science

Jonathan Jarry M.Sc. — Fri, 12 Sep 2025 10:00:00 +0000

If we’re trying to understand our era, we need to recognize the following: mainstream institutions and their various consensuses are being replaced by fringe alternatives. In the United States right now, mainstream science and education are being levelled to make way for replacements, and because ideas are not contained by geopolitical borders, this institutionalization of bad ideas can affect us all.

Magic, Critical Thinking and UFOs

Joe Schwarcz PhD — Fri, 29 Aug 2025 18:55:28 +0000

This article was first published in The Montreal Gazette.

My interest in magic was sparked at an early age, and I spent many a Saturday afternoon either at Perfect Magic or Morrisey Magic, Montreal’s two great magic stores that alas are no more. You went there not only to purchase tricks but also to soak up the magical atmosphere.

Is 25 Really the Magic Number?

Sophie Tseng Pellar BSc — Fri, 29 Aug 2025 09:46:46 +0000

You’ve probably heard it before—maybe on TikTok, in a health class, or from your therapist: “The frontal lobe isn’t fully developed until 25.” It’s become a sort of modern mantra, used to explain bad decisions, ghosting exes, and why your 24-year-old roommate still can’t do his taxes. But here’s the twist: this so-called scientific truth? It’s more myth than fact.

Flowing Under the Radar: Why Period Products Deserve Better Oversight

Sophie Tseng Pellar BSc — Fri, 22 Aug 2025 10:00:00 +0000

If you’ve ever paused to consider the ingredients in your lunch but never questioned what chemicals lay in your menstrual products— congratulations, you’re not alone. But here’s the inconvenient truth: the humble tampon may be carrying more than just your monthly misery.

Mosquito Patches: The Itch They Can’t Scratch

Angelina Lapalme — Fri, 22 Aug 2025 10:00:00 +0000

While camping this weekend, I got to mind a very cute 7-month-old baby. She was super social, giggly and sporting a patch that inspired this article. As she laid her head on my shoulder, I noticed a pink patch on the back of her shirt collar. I asked her grammie what it was, and she said that the baby’s mom makes her wear this “mosquito patch” to keep the bugs away. My immediate thought was, does it actually work?

Can McDonald’s Cure Your Migraine? Debunking the Viral McMigraine Trend

Eva Kellner BASc and Hosna Akhgary — Fri, 15 Aug 2025 10:00:00 +0000

For those who consider themselves to be a part of the “Migraine girlies” community, you may be familiar with the recent McMigraine trend on TikTok’s #migraine page.

This wellness hack is one that promotes ordering McDonald’s fries and a Coke as a newfound, DIY migraine treatment. In fact, one user (whose TikTok bio says that she is a future heart surgery nurse) claims that this order is “literally the only thing that can fix a migraine.”

Let’s not jump the gun.

The ‘Reading Crisis’ in Perspective

Jonathan Jarry M.Sc. — Fri, 15 Aug 2025 10:00:00 +0000

Everywhere I turn, I am told there is a reading crisis. Multiple YouTube videos and a never-ending series of articles in Vox and The Atlantic claim that people are reading fewer books than ever before—and this decline is said to be worrisome. I’ve even seen the argument that we might revert back to a society where knowledge is only spread verbally, making us all vulnerable to demagoguery and formulaic slogans.

The China Study

Joe Schwarcz PhD — Wed, 13 Aug 2025 13:11:07 +0000

In 2005, Colin Campbell, now Professor Emeritus at Cornell University, authored “The China Study.” The book became a best seller with its claim that the road to good health meanders through fields of vegetables and fruits with no animal in sight. A vegan diet, he claimed, is the answer to beating the diseases of western civilization, namely heart disease, cancer and diabetes. Campbell’s opinion is forged by one of the most extensive epidemiological studies ever carried out, a collaborative effort between Cornell and Oxford Universities and the Chinese government back in the 1980s.

Supermodel Heidi Klum Floats In Air and Blows Hot Air

Joe Schwarcz PhD — Wed, 06 Aug 2025 23:19:00 +0000

Let’s start with the floating illusion. I would hope that if anyone sees a person suspended in mid-air, they realize that the law of gravitation has not been suspended and that some mechanism hidden from the audience is at work. The history of this illusion traces back to early 19th century India, but it was French magician Robert-Houdin who popularized it by adding a clever twist. Ether had just been introduced as an anesthetic in 1846 and Robert-Houdin cleverly wove the discovery into his act.