Paperback
|01 January 2006
Did you know that while in flight, the sparrow's heart can beat up to 760 times per minute? Or that a baby blue whale grows at a rate of 3.3 kg an hour while it's nursing, a grand total of 17 tons by the end of the nursing stage? How...
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Did you know that while in flight, the sparrow's heart can beat up to 760 times per minute? Or that a baby blue whale grows at a rate of 3.3 kg an hour while it's nursing, a grand total of 17 tons by the end of the nursing stage? How...
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