No, superstitions by definition do not have a scientific basis.
there is no scientific basis for Gnosticism or orthodox (mainstream) Christianity.
No. By definition superstitions do not have a scientific basis.
There is no scientific basis for this it is a superstitious belief not a scientific one.
The lack of a scientific basis is one of the DEFINING CHARACTERISTICS of a superstition. If there is a scientific basis for something, it would no longer be fair to call it a superstition.
Holmes Martins established the scientific basis of vaccination.
Do superstition about comets and asteriods have scientific basis. "Why or why not"
No. By definition, a superstition is a belief that does not have a scientific basis.
They don't. By definition, a superstition does not have a scientific basis.
No. By defintion a superstition does not have any scientific basis.
None do. By definition, superstitious beliefs do not have a scientific basis.
There are none. By definition, a supersition does not have a scientific basis.