Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
On average, men's noses are 10% larger than women's.
12
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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