Category Archives: Molecule Monday

Molecule Monday features various chemicals in the news & typically includes a video of the molecule as a stereo pair.

Litmus Indicator Strips

How Does Litmus Paper Work for Acids & Bases?

What is pH Litmus Paper?

Litmus paper is the most basic way you can test if a liquid is acidic (pH<7) or basic/alkaline (pH>7). Blue litmus paper turns red in acid and red litmus turns blue in alkaline. What could be simpler? It turns out there’s more to it than you thought.
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Pumpkin

Pumpkin Beta Carotene
The Eyes Have It

Today is Halloween & what is more iconic than a pumpkin carved into a Jack o’ Lantern? The orange colour is due in part to beta carotene, a precursor to Vitamin A. It turns out that pumpkins do more than help ward off blindness or evil spirits, they may also protect us from other undesirables.  For more, read on…

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ammonia

Ammonia-A Versatile Chemical

Ammonia is about as simple as molecules get. Ammonia, like methane, water and carbon dioxide, consists of only 2 different elements. Yet, this otherwise unassuming molecule helped give rise to life on Earth and has many important industrial uses. For a brief overview, read more below. Continue reading

Aspartame

Aspartame Sweetener
Made from Amino Acids

Aspartame has been in the news again. Pepsico, which dropped aspartame from its diet Pepsi formulation over a year ago has reintroduced it. The motivation to remove it was driven by the bad press aspartame had received over the years which was thought to have impacted sales. It turns out that the aspartame version has a loyal following which persuaded Pepsico to backtrack. For more on what the controversy is all about…
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