Squamous cell carcinoma of the skin is a common form of skin cancer that develops in the squamous cells that make up the middle and outer layer of the skin. Squamous cell carcinoma of the skin is usually not life-threatening, though it can be aggressive in some cases.
Glass - Glass, including Pyrex, can be used in the microwave. While there have been some rumors floating around the internet that Pyrex can explode, if you use the cookware in a reasonable and expected manner, you do not have to worry about this.
No. The metal will reflect the microwave energy. The problem with metal of any sort (whether aluminum foil or silverware) is that it can produce an arc inside the cavity of the oven. This can start a fire, and it presents an enormous hazard.