solved What are reasons that people still do philosophy today? Why

What are reasons that people still do philosophy today? 
Why do people still ask big questions about the world using reason?  
What motivates people to search for deep truths about the world/universe?  
What questions that people ask today brought up in the readings do you think interests people the most today?
 (answer the initial post and post two follow up questions in response to posts from other students).
What moral theory that you read about most appeals to you and why?  
Give an example of an real-world issue, showing how someone using that theory might approach it.  
(answer the initial post and post two follow up questions in response to posts from other students).
Is it possible to be certain of anything we learn through reason?   If so, how certain?   
What does it mean to say we “know” something? 
(answer the initial post and post two follow up questions in response to posts from other students).
Does anything exist beyond the physical world we experience?  Can we even know?  
How does one approach reasoning about things one cannot observe, or is that even possible?