Separating Sense from Nonsense
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?
Video of Dr Joe Schwarcz: The making of Javel water
Ever wonder about how that stone washed effect is achieved on blue jeans? By washing with stones, that's how. The fabric is placed into large industrial washing machines together with volcanic...