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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 about that glow worms have a light output efficiency of 100%, as compared to only 4% for our incandescent bulbs
- Format: Pocket/Paperback
- ISBN: 9780890514603
- Språk: Engelska
- Antal sidor: 114
- Utgivningsdatum: 2006-02-01
- Förlag: Master Books