Honey bee mating is one of the most dramatic examples of sexual suicide in the insect world. Honey bee sex occurs in mid-air, when the queen flies out in search of mates. Drones compete for the chance to mate with their queen, swarming around her as she flies.
What is Carat Total Weight And Why Is It Used? The abbreviations âCTWâ, âCWTâ, âTWâ and âTDWâ all mean the same thing. Carat total weight or total diamond weight represents the weight summation of all the diamonds on that piece of jewelry. When you come across jewelry using CTW in their description, be sure that you check the sizes of diamonds used. I will explain why in a moment.
How to Identify Jewelry Markings. Fine jewelry is stamped or engraved with a variety of markings to indicate the materials with which it is made and its purity. To the average person, these mysterious markings can seem like a foreign language. Knowing how to interpret them can be helpful; they tell you what type of jewelry you have in your collection and enable you to describe it to potential buyers if you wish to sell the jewelry. Note that a â950 Platinumâ mark indicates that jewelry is 95 percent pure platinum, or 950 parts pure platinum out of 1,000.