The prevailing theory was that there were simply bacterial that could fit through the filter.

The prevailing theory in the research was that it probably isn't someone in military intelligence.

The 19th century prevailing theory of sleep and waking stated that brain organization and behavior was based on a sensory-motor schema.

They named their element sequanium, but the claim was discounted because the prevailing theory at the time was that if it existed at all, element 93 would not exist naturally.

The prevailing theory at the time, however, was that the isotopes were due to the existence of differing numbers of nuclear electrons in different atoms of an element.