Why does Covid affect taste?

Researchers are still trying to determine how and why the COVID-19 virus affects smell and taste. One study suggests the virus doesn't directly damag...

How is rayon made?

Rayon is made by mechanically pulping plant cellulose and then chemically liquifying the pulp with toxic chemicals. The pulp is then extruded to create fi...

Who is hel?

Hel, in Norse mythology, originally the name of the world of the dead; it later came to mean the goddess of death. Hel was one of the children of the tric...