What caused the Covid-19 pandemic? What are the challenges experienced during and after (if it ends)? When and how is it going to end? These questions are raised everyday and everyone seems to have different answers. Every answer is infused with a political, religious and emotional charge. The Covid-19 pandemic has inspired controversy and indeed evoked a global fear. Many countries, territories have imposed lockdowns encouraging citizens to self-isolate at home while maintaining physical distance in public to curtail the spread of the disease.

The two greatest mysteries left for science to unravel could be summed up by two questions.  What’s out there?  What’s in there?  The first question refers to the infinitely large while the second questions refers to the infinitely small.  On both of these issues, every time we think we know