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What is human in chemistry?

What is human in chemistry? The human body is approximately 99% comprised of just six elements: Oxygen, hydrogen, nitrogen, carbon, calcium, and phosphorus. Another five elements make up about 0.85% of the remaining mass: sulfur, potassium, sodium, chlorine, and magnesium. Read more…

Are cockroaches on the rise?

Are cockroaches on the rise? Taz Stuart, director of technical operations with Poulin’s Pest Control, agrees the roach problem is on the rise. The number of calls each year for cockroaches doubled between 2017 and 2020 to 3,400, and is Read more…