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bacteria

Bugs in our Guts

11 Dec 2018

The Food and Drug Administration in the U.S.

Should I Be Nervous When Refreezing Food?

22 Nov 2018

The concern about refreezing food is really a concern about two things, bacterial contamination and deterioration of texture and flavour. Let’s deal with the safety issue first. Bacteria like to...

Killer Tampons from Outer Space or Why We Don’t Hear About Toxic Shock Syndrome Anymore

9 Nov 2018

In the early 1980’s and 90’s toxic shock syndrome was on everybody’s mind. Its prevalence dominated headlines, inspiring fear in every tampon-using woman across North America. Young adults going...

Why do we use hot water to wash clothes?

25 Oct 2018

Temperature is just a measure of how quickly, molecules are moving. When a substance dissolves in water, its components, be they ions or molecules, form stronger attractions to water molecules than...

Rust Doesn't Give You Tetanus

25 Oct 2018

Ever step on a rusty nail? It was, in all likelihood, rapidly followed by your parents dragging you to the doctor’s office for a painful (but safe!) tetanus shot. The memory of my first tetanus...

Can previously frozen, thawed, and cooked food be refrozen?

16 Aug 2018

Most foods previously frozen, thawed and then cooked can be refrozen as long as they have not been sitting at room temperature for more than two hours. Remember that freezing does not kill bacteria...

Good Bacteria to Prevent the Flu? Interpreting the Data Is Messy

24 May 2018

“We have a ton of studies that have shown that eating [Danone’s DanActive yogurt with L. casei probiotics] at a dose of about two containers per day can actually decrease your incidence and...

Alcohol in mouthwashes doesn’t actually kill bacteria

3 May 2018

It’s common knowledge that alcohol can kill bacteria (it’s commonly used as a disinfectant), so it makes sense that the alcohol in mouthwashes is added specifically to kill the bacteria that give...

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