A main idea of the article "Excerpt from Baby Mammoth Mummy: Frozen in Time!" is: The article tells about how a mammoth was excellently preserved. It was discovered in Siberia and aired on the National Geographic Channel.
"Baby Mammoth Mummy: Frozen in Time" is known to be a book written by Christopher Sloan. The book actually reveals the discovery of the preserved mummy of a baby mammoth.
The discovery was aired on the National Geographic channel on television.
So we can see that the main idea is the discovery of a mummy.
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