Great questions are not always answered, but great questions can change the world. Philosophical questions that sometimes answer themselves. From religion to scientific to questioning our reality. Only dishonest people fear questions.
If the Zika virus is causing defects in human infants, what is it doing to the wildlife and domestic livestock? Is it possible that a similar virus caused not a defect, but an evolutionary mutation? Could a similar virus have caused the extinction of species? Is it possible that these viruses have been around for millions of years?