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    It's Okay to Be Smart
            Why Seasons Make No Sense
                
                    
                        
                            Season 4
                        
                    
                    
                        
                            Episode 18
                        
                    
                
            
            
            Day by day, country by country, we tend to measure seasons differently.
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            About the importance of the National Parks Foundation.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
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            A look at the science behind pigeons.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
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            A look into the science of concussions.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
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            I’m thankful for science. And also pie
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
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            Let's find out if evolution violates the second law of thermodynamics!
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
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            Turns out the sky IS falling.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
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            What is this? A forest for ANTS?!
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
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            Find out how baby sea turtles find their way home after hatching!