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Liquid Nitrogen Tattoos

1 Aug 2025

Body modifications have been around for a very long time. Tattoos and piercings were found on a frozen mummy dating back to 3000 B.C.E. In many countries, these modifications have cultural...

Say Cheese!

23 Jul 2025

It was the 1960s and cheese producers were cheesed off. People were just not eating enough veal. Slaughterhouses were running short of calf stomachs and the cheese industry was feeling the pinch....

What Wild Animals Can Teach Us About Cancer

18 Jul 2025

In a lab in Rochester, New York, a group of scientists were trying to grow cells taken from a naked mole rat. Instead, they ended up with a petri dish full of goo. The cells had secreted a thick,...

See the Rainbow - How Skittles Led me to Chromatography

4 Jul 2025

As a kid, I always played with my food. After a trip to the grocery store, where my mom allowed me to select one candy to bring home, playing turned into experimentation. The candy I chose?...

For the Love of Carbs

6 Jun 2025

This article was first published inThe Montreal Gazette.

What Is a Molecule?

21 May 2025

Surveys reveal that only 50 percent of people questioned know that the Earth goes around the sun once a year, and only 40 percent realize that electrons are smaller than atoms. Thats sad enough,...

Gutta Percha-From Golf Balls to Root Canals

14 May 2025

Gutta percha is the hardened latex of the Palaquium gutta tree, originally native to Malaysia. This is a natural thermoplastic substance, meaning it can be softened with heat and shaped into a...

Confronting Nefarious Nitrosamines

9 May 2025

Boil the nipples! was the advice given in 1984 by the Food and Drug Administration in the U.S. to parents who were bottle feeding their infants or calming them with pacifiers. The presence of...

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...

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