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Why can't I use fresh pineapple to make Jell-O?

20 Mar 2017

Pineapple, kiwi and papaya all contain proteolytic enzymes, in other words enzymes capable of breaking down protein molecules. And gelatin, the substance that makes Jell-O gel, is a protein....

Wrinkles in Wrinkle Cream Reports

20 Mar 2017

So I鈥檓 sitting here, staring at a couple of close up pictures of some person鈥檚 eye area. I see crows鈥 feet in both. Are there fewer feet in the bottom picture? Maybe. If I look with a magnifying...

The Atom Bomb and the Age of Wine

20 Mar 2017

The purveyors of fake wines probably never dreamed that they could be caught by a carbon atom. A special kind of carbon atom. One that in addition to the six protons in its nucleus has eight...

The Chemistry of Self-Cleaning Windows

20 Mar 2017

Self-cleaning windows are here, thanks to recent developments in 鈥減hotocatalysis鈥 and 鈥渟uper-hydrophilicity.鈥 Tongue-twisting terms, but well worth exploring. Titanium dioxide is a naturally...

Chemistry lesson for The Food Babe鈥 and everyone else #21: There is no such thing as "chemical free!"

17 Mar 2017

If you buy a chemical-free product, you鈥檙e not getting a good deal. You鈥檙e buying nothing. A vacuum. What鈥檚 a vacuum? A space empty of all matter. And what is matter? Anything that has mass and...

Why do we kiss?

22 Feb 2017

What makes us exchange saliva, sebum, bits of food and millions of bacteria with each other?聽In other words, why do we kiss?聽This is not an innate activity.聽South Pacific islanders, for example,...

Lightbulbs Discolour With Age

21 Feb 2017

Have you ever wondered why tungsten light bulbs develop a black deposit as they age?聽This deposit is metallic tungsten, the same stuff that the filament is made of.聽A lightbulb produces heat and...

Lipstick Ingredients

20 Feb 2017

Lipsticks, (the waxy kind that come聽in the traditional tube), contain a variety of natural waxes, such as beeswax, carnauba wax, ozokerite, ceresin, or microcrystalline wax, which is聽derived from...

Why do onions make you cry when you cut them? And why are they sweet when you fry them?

20 Feb 2017

Onion chemistry is extremely fascinating and extremely complex! We鈥檝e been intrigued by this vegetable ever since our prehistoric ancestors gathered and cooked wild onions. By the time of the First...

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