How do viruses just appear again?
Explain Like I'm 5 (ELI5)
Objective and layman-
ELI5: How peeling scotch tape in a vacuum creates radiation.
ELI5: What is the difference between forward and reverse osmosis?
I see “reverse osmosis water” on a lot of products these days and I’m curious how reverse osmosis is different.
ELI5: Why do finger nails grow faster than toe nails?
ELI5: Why is the Lion so widely used in European Heraldy even though they are mostly found in Africa?
Why are Lions used so much on European Heraldry, especially British/English ones, despite lions being primarily found in Africa?