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  Unicus Mathematics Olympiad (UMO)
  
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  Jul 15, 2025 / Aug 2, 2025
  
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  Jul 10, 2025 / Jul 26, 2025
  
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  Unicus English Olympiad (UEO)
  
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  Jul 19, 2025 / Jul 29, 2025
  
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  Unicus General Knowledge Olympiad (UGKO)
  
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  Unicus Global Mathematics Olympiad (UGMO)
  
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  Exam Date:
  
  Jan 23, 2026 / Jan 29, 2026
  
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  UGSO
  Unicus Global Science Olympiad (UGSO)
  
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  Exam Date:
  
  Jan 21, 2026 / Jan 28, 2026
  
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  UGEO
  Unicus Global English Olympiad (UGEO)
  
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  Exam Date:
  
  Jan 16, 2026 / Jan 27, 2026
  
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What Kind of Transport Goes Under the Water?

Transport that goes under the water includes submarines and underwater trains.
Submarines are special boats that can dive deep into the ocean.
Some trains go under the water in tunnels, like the ones that connect different places.

Example 1: A submarine is like a big metal fish that can swim underwater and help sailors explore the ocean.

Example 2: The Channel Tunnel in Europe allows trains to go under the water to take people from one country to another quickly.

Example 3: A deep-sea research vessel looks like a submarine but is designed for scientists to study ocean life.

Fun Fact: Submarines can go very deep, where it is dark and cold, and they can even stay underwater for a long time without coming up!

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