They are all composed only of carbon. What determines the properties of any substance? Simple. The properties of any substance depend on the type and number of atoms they are composed of, and of...
Ancient Romans, for example, used urine and goat milk to whiten their teeth. This concoction is not as far-fetched as it might first appear. Urine, contains ammonia which is a cleaning agent found...
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...
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...
There is a wealth of information at our fingertips – in our nails. Anyone who has ever wished for some kind of health-o-meter to signal the body’s state of wellness need look no further than the...
Maya Blue, a vibrant light blue colour, characterizes the civilisation that flourished across Mesoamerica between the 3rd and 10th century. The pigment was used to decorate pottery, murals and...
Mention genetically modified organisms (GMOs), and watch the brows wrinkle. People just don’t want the genes in their meals modified, even if they are not quite sure what genes are. Better just...
In 2010 Frito-Lay introduced a 100% compostable bag for its SunChips with great fanfare only to yank it off the market a scant eighteen months later. Why? Believe it or not, the bags were too...
Listen to the following remarkable commentary I came across on the web. Here goes: “I was just utterly shocked to have recently discovered another FDA first degree murder! When I studied chemistry...