Verbs with other meaningsThere are two other verbs which have this pattern.
The verb see is followed by a clause beginning with if or what.
I'll give you a cool wash, and then we'll see if we can make your bed more comfortable.
In the case of remain, the wh-clause is really part of the pattern of the noun that comes before the verb.
But the question remains whether science is capable of ensuring that bad research is caught and bad researchers punished.