conundrum

Primordial magnetism might also help resolve another cosmological conundrum known as the Hubble tension — probably the hottest topic in cosmology.

This Fourth of July conundrum was addressed all the way back in 1907, in the esteemed medical journal JAMA.

The Burger Chef conundrum leads to another poignant exchange between the two lost souls.

Compounding the conundrum further is the fact that many cellphones allow direct access to information in remote cloud storage.

The result is a conundrum for the Republican Party where there is no clear middle ground.

This conundrum is referred to with the awful acronym of DURC, for “dual use research of concern.”

That was a conundrum, and Matt had no time to give to conundrums just then.

You surely remember the conundrum about a cold chop and a hot steak.

The opinions of the day are often more clearly expressed in a conundrum than in an essay.

Is this a conundrum or blather, invented to hide your ignominy in a cloud of words?

But there was no satisfactory answer to that conundrum and he went back to his books.