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Butyric Acid is an Enemy in the Fridge but a Friend in the Gut

7 May 2025

Smells are caused by volatile compounds that stimulate receptors in our nose. There is a large variety of such compounds with a great diversity of molecular structures. But many of the smells...

Are Your Refrigerator Habits Inviting Unwanted Bacteria

2 Aug 2024

As a kid I grew up being told that I had to let food cool down before putting it in the fridge. I was under the notion that placing warm food directly in the refrigerator could cause the other...

The Blood Microbiome Is Probably Not Real

28 Jun 2024

Up until recently, if bacteria were detected in your blood you would be in a world of trouble. Blood was long considered to be sterile, meaning free of viable microorganisms like bacteria. When...

Fighting Fire with Fire: how a Nobel Prize Winning Scientists Used Malaria to ‘Cure’ Syphilis

22 Sep 2023

The history of science is full of disproved experiments, revised textbooks, and rewritten hypotheses. Even Nobel prize-winning research, which is often viewed as the best work science has to offer,...

Does peeing after sex prevent UTIs?

11 Aug 2023

This article was first published in The Skeptical Inquirer.

The Microbiome and Its Myth-Making Machine

11 Aug 2023

As promising new discoveries are made in the health sciences, the telephone game begins. Scientists put their best foot forward when presenting their results. The public relations department at...

Tuberculin Under Your Skin

14 Jul 2023

Throughout its lifetime, tuberculosis (or TB) has gone by many names. The ancient Greeks called it “phthisis”. In the 1700s, it was “the white plague”. And in the 1800s, it was “consumption” –...

The Sweet and Sticky Science of Sugar

3 Dec 2021

Sugar is sweet and sticky.  That’s a fact.  In fact, during the reign of Edward the Confessor in the early eleventh century, "ale tasters" were employed to check on the work of brewers.  They would...

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