I ask these kinds of questions all the time and then forget them before I ever get a chance to look up the answers. So now I'm posting a few here before I forget them again. Maybe some of you have answers for me. I have plenty more
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"And still there is another concern- how do these animals survive such intense pressure? More than a mile below the surface of the sea, these animals would face about 3,350 pounds of pressure on every square inch of their bodies (3). With this kind of pressure, our lungs would be crushed immediately. These animals, however, have developed so that their bodies do not have any air pockets, thus allowing them to exist in this pressurized atmosphere. "
"How did X's and O's come to represent hugs and kisses? The common custom of placing X's on envelopes, notes and at the bottom of letters to mean kisses dates back to Medeival ages, when a cross was drawn on documents or letters to mean sincerity and honesty. A kiss was then placed upon the cross, by the signer as a display of their of their sworn oath. It was also used in early Christian history as much of a display of the same. Since most of the common people were unable to read or write, the 'X" was placed on documents, and a kiss placed upon it as a show of their sincerity, gradually, as it was used so often, the cross was hurried drawn and often resembled an "X". The "O" is of North American descent, no one really seems to know how it was started. It has been said that when arriving to the US, Jewish immigrants would use an "O" on documents, not using the sign of the cross, and shop keepers would often use an "O" when signing documents, in place of an "X". Perhaps now it is used as the "O" being rounded represents arms encircling
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