WASTEFULNESS-Bones and Urine: We used them in the past so why not now?

For most people today, bones reach the trash bin and landfill and urine trickles down the toilets into the sewage system. We know that our primitive ancestors used bones for tools and possibly weapons especially when living in caves. In the past, we had a rag and bone man with a sack or cart collecting bones to grind up for fertiliser. With a lack of water our primitive ancestors may have used urine for drinking, washing and even cooking. They may also have discovered that putting urine on ...