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Confronting Nefarious Nitrosamines

9 May 2025

鈥淏oil the nipples!鈥 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...

Sabine Hossenfelder Asks If Science Is Dying. It鈥檚 Not.

18 Apr 2025

Physics is dying. It鈥檚 mathematical fiction. Science is failing. Most of academic research that your taxes pay for is almost certainly bullshit. I don鈥檛 trust scientists....

It鈥檚 a Gas!

17 Apr 2025

There were no Guinness Records back in 1772, but if there were, Joseph Priestley would certainly have been awarded one for discovering eight new gases in a single year. That is a record that will...

The Powder of Sympathy

9 Apr 2025

Four hundred years ago, Belgian physician Johann Baptist Van Helmont was persecuted by the Roman Catholic Church for promoting the use of the 鈥淧owder of Sympathy.鈥 The idea had been originally...

RECCO Reflectors Echo Safety Signals

14 Mar 2025

A goal of mine in 2025 was to tackle a new outdoor sport: backcountry skiing. With the promise of untracked snow and uncrowded runs, venturing off-piste was enticing. But with that also came the...

I鈥檝e Been Wearing Sunscreen Wrong

7 Mar 2025

This article was first published in The Skeptical Inquirer.

A Little Hairy Chemistry

4 Mar 2025

Hair is composed of a type of protein called keratin that is formed within the hair follicle, a cavity in the skin surrounded by cells that provide the amino acids and other components needed for...

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