The world鈥檚 first commercially available laundry powder was Persil, introduced by the German company Henkel in 1907. The name derived from perborate and silicate, two key components in the product....
Think of a ghastly smell. Skunk? Halitosis? BO? Outhouse? Rotting fish? Rancid butter? Dog flatus? Decomposing flesh? All devastating. But let鈥檚 not forget the penetrating fragrance of a billy goat...
With every breath we take we come closer to death. And if those breaths contain a good dose of polycyclic aromatic hydrocarbons, or PAHs, we may be getting to the end faster. These compounds are...
鈥淵ou are what you eat鈥� is a time honoured truism. After all, food is the only raw material that enters our body, so we are literally made of what we eat. That of course includes our brain. But what...
Ice is great in a beverage or on a skating rink but we don鈥檛 want it on our streets. How do we melt it? Potassium acetate, sodium chloride, calcium chloride, magnesium chloride or听 urea will do the...
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