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    Deep Look
            How The Coronavirus Attacks Your Lungs
                
                    
                        
                            Season 7
                        
                    
                    
                        
                            Episode 9
                        
                    
                
            
            
            The new coronavirus packs a devastating punch. It penetrates deep into your lungs, causing our immune cells to go haywire and damage tiny air sacs – the alveoli – where oxygen normally flows into our blood.
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            Covered in a shiny bubble, the alkali fly scuba dives in California's Mono Lake.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
          4:58
        
      
    
  
  
                    
                
            A “bee fly” is a freeloader that takes advantage of a bindweed turret bee’s hard work.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
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            The scaled wormsnail cements its shell to a rock and snags its meals using mucus!
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
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            Step right up to see tiny springtails spin through the air with the greatest of ease!
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
          3:44
        
      
    
  
  
                    
                
            Geckos navigate nearly any surface with an electron dance at the atomic scale.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
          4:31
        
      
    
  
  
                    
                
            The snake's forked tongue helps it smell in stereo.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
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            Bird’s nest fungi look just like a tiny bird's nest. But those little eggs have no yolks.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
          3:36
        
      
    
  
  
                    
                
            How are frogs so amazing at catching bugs? It’s their supersoft tongue and special spit.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
          4:00
        
      
    
  
  
                    
                
            Mussels create byssal threads to attach themselves to rocks and each other.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
          4:10
        
      
    
  
  
                    
                
            Earthworms cozy up with a mate inside tubes of slime to make cocoons full of baby worms.
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
          3:52
        
      
    
  
  
                    
                
            What keeps the boneless, jawless hagfish thriving after more than 300 million years? SLIME
        
        
    
    
                        
  
  
    
      
    
  
  
    
      
        
          5:04
        
      
    
  
  
                    
                
            Researchers use invisible lasers, ghastly wasps and more trickery to protect orange groves