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.
As it turns out, some metals are perfectly fine to be in the microwave. Heck, many of the components of the microwave itself are made out of metal and things like Hot Pockets require being microwaved inside of an aluminum-lined sleeve that has small amounts of aluminum in it.