That’s what the word “theoretical” means Dman.
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I’m kinda assuming that someone made them up to explain some other phenomena which they couldn’t think of any alternative explanation to??
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Did you know that the Queen owns all the Dolphins and Whales in British waters, I must say I never knew that.
She owns Swans as well.
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Hi
She also owns all the sturgeon.
Except Nichola of course.
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Did you know that Paris Hilton built a dog mansion in her back yard, apparently it’s a replica of her own mansion.
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Did you know that.
Elvis Presley was born blonde, then went to a medium brown as he got older.
He actually dyed his hair jet black…
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Did you know from Sunday to Wednesday there was 26,800 lightening strikes in England
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Brilliant. DM.
Did you know
That the Egyptians used to rest their heads on slabs of stone.
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Did you know .
Medieval Monks were riddled with worms 
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Hi
I had one of i pillows, I got it off the market.
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Did you know that fire screens had a secondary purpose of dissipating heat so that (normally) ladies’ wax based make up didn’t melt.
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Talking of dolphins, Did you know that they sleep with one eye open and only one half of their brain is asleep?
Dolphins have to be conscious to regulate their breathing, so they can only allow one half of their brains to sleep at a time; the other half stays alert to enable the dolphin to continue breathing and look out for dangers in the environment.
Dolphins only close one eye when they sleep; the left eye will be closed when the right half of the brain sleeps, and vice versa.
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Did you know …
In York builders are not allowed to design/build anything taller than the Minster?
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Did you know that the Queen is allowed to drive without a license.
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I have seen the Chinese do that.
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I’m certainly educating myself on this thread,
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Did you know the smooth area above the nose and between the two eyebrows is called glabella.
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