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bacteria

How Long Does the COVID Virus Live on Surfaces?

16 Oct 2020

This article was first published in The Montreal Gazette.

The Science of Sourdough and How a Jar of Microbes Could Help Keep Your Bread Fresher Longer

28 Jul 2020

Its catapult to popularity may have been triggered by the pandemic-induced yeast shortages, but even months later, when instant yeast is once again available at most grocery stores, sourdough’s...

There is More to Microbes than Viruses

23 Jun 2020

We have been inundated with discussions of viruses but there are other types of microbes out there as well. Fungi, algae, protozoa and of course, bacteria. The latter are not only out there, but...

DYK: Penicillin used to be recycled from urine

3 Jun 2020

After Alexander Fleming’s 1928 discovery of a mold that inhibited Staphylococci bacteria growth and the first treatment of a patient with penicillin in 1942, demand for this antibiotic grew rapidly...

What Does It Mean When a Vaccine Contains an Inactivated Virus?

27 Mar 2020

A vaccine contains an attenuated or inactivated microorganism (or part of one) so that your immune system can prepare itself for an eventual infection. The content of the vaccine must be...

Liquid or Bar? Soapy Tales

6 Mar 2020

Never has “Happy Birthday” been sung with such frequency. Two stanzas are just about the right length of time, about twenty to thirty seconds, for a proper hand wash. And we should be washing....

Nix the Handshake and the Cheek Kiss

5 Mar 2020

The custom of double kissing on the cheek as a form of greeting has always bugged me. Microbugged me. Do we really need to punctuate an encounter by exchanging oral microbes? What’s wrong with a...

The Word "Quarantine" Comes from the Italian Word "Forty Days"

6 Feb 2020

The term derives from “quaranta giorni,” meaning 40 days, and traces back to the 14th century when the city of Dubrovnik, now in Croatia, was under Venetian rule. The Great Pestilence, or the Great...

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