… can be more valuable than a diamond of the same size. Emeralds are part of the beryl family of precious stones. They have a hardness of 8 and a sp.gr of 2.7 to 2.9. The emerald is considered a gem, or a mineral that is desired for its beauty and durabili…

… mosquito-transmitted encephalitis has made national headlines. Less than 1 in 1000 mosquitoes carry the disease and most people who contact the virus do not develop symptoms. The virus causes an inflammation of the brain and produce headaches,…

… found in the regions of Africa, western Asia, and the Middle East, causes Kunjin/West Nile Encephalitus. Encephalitus is an inflammation of the brain and central nervous system caused by viral and bacterial infections. The most common vectors for…

… as many as 150,000 trumpeter swans populated the Eastern United States. By the end of the 19th century, they were all gone, victims of pioneer settlers who wanted their meat, or of hatters, who wanted their feathers. (Hatters played a surprisingly…

… one of, if not the most, influential nuclear scientist’s ever. His work on the atomic bomb and nuclear transformations would earn him the Nobel Prize and a reputation for brilliance his whole life. Fermi was truly one of the greatest minds of our…

… The purpose of this lab was to discover the effects that certain enzymes have on chemical reactions. Were studying organic chemistry specifically, cells and proteins. The building blocks for proteins are enzymes and what better way…

… by recurrent seizures. Seizures are defined as passing neurological abnormalities caused by unregulated electrical brain discharge, a direct result of unusual electrical activity in the brain. They can last anywhere from a few seconds to…

… gas with formula H2C=CH2 (C2H4). It is an alkene produced by the crackling and fractional distillation of petroleum and from natural gas. Ethene is very reactive and readily forms many products, such as ethyl chloride and polyethylene. It is…

… network topology. You can choose between bus and star topologies, and coaxial, twisted-pair, or fiber optic cabling. But with the right connective equipment, multiple Ethernet-based LANs (local area networks) can be linked together no matter which…

… of ethics. Each of them deals with morals. Morals are defined as the right conduct or duties of a man. One of those questions is 'Are there any universal moral values?' Moral relativists will deny or be in favor of the existence of universal values.…