A relative of parsley, it looks like moss but actually consists of thousands of flowering buds on long stems which are so densely packed together they can withstand the weight of a human.

Still, there are millions of overweight people in the world and bookstores are packed with all of the "secret," "painless" and "miracle" ways to lose weight.

Not traditional: reduced weight and packed volume through having down only on the top and the mattress on the underside.