How much protection does your white T-shirt offer you in the summer when you’re out in the sun? Would you say it’s impossible to get a sunburn underneath that garment?
Wilson Weedout contains 4-chloro indole acetic acid as an active ingredient which really is quite effective against broad-leaved weeds. It is a naturally occurring plant hormone that triggers the...
It began life as “prominent exostosis” and, at the peak of media coverage, British tabloid The Sun was scaring us with “HELL PHONES” and many people got the impression that our children were...
Leonardo De Vinci was fascinated by flight and dreamed of various flying machines. He was realistic enough, though, to consider the risks and thought that brave men who strapped on wings should...
The sunglasses at the dollar store feel flimsy, yet I buy a pair. It costs me $1.43. The sticker on one of the lenses states “UV 400 Protection”. I walk over to a fancy sunglasses store and ask the...
Way back in 1771, Swedish chemist Karl Wilhelm Scheele was investigating the properties of a mineral known as fluorspar (calcium fluoride). He mixed the pulverized rock with sulfuric acid and...
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