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EgG00 TIL that even though dead bones are dry and brittle, living bones are wet and a bit soft. In order to absorb pressure, bones are also slightly flexible. Up to one-third of a living bone's weight is water.
rNK1w Today I learned that the english language got so many different names for a group of animals
8eQrb TIL The flashing pattern of a lighthouse light is called a characteristic. Sailors know what lighthouse it is by referring to all the patterns on a chart called a "light list."