Mu variant
The Mu variant is a variant of the COVID-19 virus. Mu variant is the common name used to refer to what is technically known as the B.1.621 variant. Mu is a Greek letter and can…
On Independence Day (July 4th), we ooh and ahh at the fireworks bursting in air, but did you know that the different types of fireworks effects have their own names? What’s a peony firework? The peony is one of the most common kinds of aerial pyrotechnic effects. It is named for a variety of plants with large, showy flowers. This firework display has a flower-like explosion …