Scientific methods of research

What is the importance of conducting research?
How does the the cytokine storm article (accessed via link) show the importance of letting research go at its
own pace?
Why do scientists use the scientific method to solve problems?
What is the difference between causation and correlation? Using Covid-19 as an example, what can be the
harm in confusing causation and correlation?
What is a research hypothesis and null hypothesis?
Please define the following terms:
Dependent variable
Independent variable
Intervening variable
What does it mean to prove a hypothesis?
What topic have you always wondered about and wanted to know how it works? For instance, I've always
wondered how/why advertisements work to change human behavior.