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.
In some cases, like a big sheet of foil, it can get very hot very fast, which can be very dangerous. Some food manufacturers actually use this to make things crispier, like the sleeve you get with a hot pocket. Long story short, yes, you can put metal in a microwave, but it's not a good idea. It won't cause explosions or anything, but it could easily start a fire or damage your microwave.