Subscribe to the OSS Weekly Newsletter!

poison

Ricin Emerges From the Shadows Again

23 Sep 2020

Ricin is in the news because this potentially potent poison was supposedly detected in a letter addressed to President Trump. For me, this brings back memories of my last visit to London when I...

No, Bleach Isn't for Gargling or Washing Fruit

17 Jun 2020

This article was first published in The Montreal Gazette.

COVID-5G: How Distrust and Coincidences Empower the Alex Jones in Our Brain

24 Apr 2020

We all have a tiny Alex Jones in our brain. When we forget he’s there, it’s easy to mock the belief that 5G waves are causing our current viral pandemic. But with telecommunications masts on fire...

What is "Hormesis"?

24 Jan 2020

Just about every textbook of toxicology pays homage to Paracelsus, the sixteenth century alchemist. Why? Because he introduced the idea that “only the dose makes the poison.” It makes no sense to...

Antibiotic Prophylaxis and Dentistry

8 Jan 2020

As most dentists can attest, the mouth can be a scary place. Despite impassioned assurances from patients, we know that not all flossers are created equal. Lurking in this often-hostile environment...

The Right Chemistry: The Power of Polonium

2 Dec 2019

Video of Dr. Joe Schwarcz on polonium, assassination and nuclear bombs

My Dog Ate Chocolate and He Was Fine, so What’s the Big Deal?

23 Aug 2019

If you ask a dog owner what dogs cannot eat, they’ll list some foods like onions, garlic, rhubarb, grapes and chocolate. (As an aside, if they say grains, don’t listen to them.) Dogs' inability to...

Pages

Back to top