Misc: In greek mythology, who was the mother of perseus?

Questions

What did the Scott Brothers call Toilet Paper after they brought it stateside from England?

What is the more popular way of loading toilet paper?

What did one of the earliest mixtures of toothpaste consist of?

What is the term given for patients who are given medications with no active ingredients & they swear the medication did them some good?

What did the Egyptian bakers use to knead dough in 4000 bc?