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Kool Aid Hair Dye

20 Mar 2017

Just mention 鈥淜ool Aid鈥 and my memories flop back to summer camp. That was the beverage we were served with every meal. And it was the same with my kids. They used to tell me about the "bug juice"...

Diet and Bone Health

20 Mar 2017

As if we needed another reason to eat more fruits and vegetables. Well, here is one anyway. Fruits and vegetables can strengthen bones. Whoa...you say. Calcium and vitamin D are what we need to...

Blocking the Sun's Rays with Metal Oxides

20 Mar 2017

Ultraviolet light from the sun encompasses a range of wavelengths, all the way from 280 nm to 400 nm. The shorter and more energetic wavelengths from 280 to 320 nm are referred to as UV-B, while...

Why Do Nails Have Ridges?

20 Mar 2017

There is a wealth of information at our fingertips 鈥 in our nails. Anyone who has ever wished for some kind of health-o-meter to signal the body鈥檚 state of wellness need look no further than the...

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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