Astronauts on the ISS rely on caffeine, consuming coffee from pouches. The 'space cup' allows for a mug-like experience in zero gravity. Water is recycled, and freeze-dried coffee is used. The amount needed for a Mars mission is a future question.
The nervous system is a complex network of nerves and cells that carries messages to and from the brain and spinal cord to various parts of the body. It controls and coordinates bodily functions.
Test your knowledge about the planets in our solar system!
Test your knowledge of Asian capital cities!
Explore the meaning and usage of idiomatic expressions, phrases where the overall meaning differs from the literal meaning of the individual words.
Explore the groundbreaking inventions and the brilliant minds behind them that have shaped our modern world.
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