riddle - Bored with the Internet

^{An entry in Fortnightly Topic Challenge #35: Restricted Title 1.}

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You, yeah you! Are you bored with the internet? Well here are some science/math themed jokes for you!

1. 
   

   What is the angriest(not negative) process/operation in math?

   
   


2. 
   

   What bad grade did larry receive in is programming class?

   
   



3. 
   

   What do aliens call a mysterious and grim occurrence in space?

   
   


4. 
   

   What do you call a zany, quantum particle?

   
   

Answer

1. 
   

   
   

   $\times$, because it's cross.

   
   

   
   


2. 
   

   
   

   C++?

   
   

   
   



3. Thanks to @noedne:
   

   
   

   Dark matter?

   
   

   
   


4. 
   

   
   

   A strange quark.