I have asked this question before, but didn't get a satisfactory answer. "When walking on the beach at the water's edge, why is some sand hard and compacted while other is soft and waterlogged?...
Adding to my last question: If I soak cats' faeces in tabasco or a strong chili sauce and leave it lying around in the garden or sand box, do you think that will do the trick?!!
In medical science there are all kinds of organ transplants --- why have there never been testicle transplants for infertile men? If there were, would the genes in the offspring be of the donor...
Why is the beach sometimes hard and sometimes soft at the water line --- it doesn't seem dependent on the tides, as sometimes it is hard when you walk in one direction, and then is soft on your...