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Ancient Mars Caverns May Have Captured Flood Water
2012-12-05 16:24:33

Researchers have found evidence that ancient caverns on Mars may have captured enormous flood waters some 2 billion years ago.


Word of the Day
upstander
  • A person who stands up for something, as contrasted to a bystander who remains inactive.
  • One of the upright handlebars on a traditional Inuit sled.
The word 'upstander' in the first sense here is a play on the word 'bystander' and the idea of 'standing up' for something.