Theory = A Idea that is supported by facts and logic

A Theory is not a irational idea or guess its a scientific idea. Einstiens Famouse eqaution e=mc2 is a theory. But we all know Mass and energy are the same in terms and logic ( MATH ) proves it. Yes evolution is a theory but it is not a uneducated guess and is prob true up to 95%

And how do u think u can get a cold more the once..... and why do u think we cant cure any viruses........ THEY EVOLVED