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TIL that mushrooms are more closely related to humans than to plants.

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D1YDe TIL that honey bees are the first insect known to grasp the concept of zero. Study shows that honey bees can learn and apply the concepts of greater than and less than to interpret a blank stimulus as representing the conceptual number of zero and place zero in relation to other numerical values.
LQL5m TIL that every human excretes up to half a kilogram of phosphorus through only our urine, per year. This makes urine the primary source of phosphorus in urban areas!
rNB84 TIL that the reason we have blue raspberry flavor is because red dye no. 2 (the one traditionally used for raspberry) was considered harmful. The flavor was popularized by ICEE.
VMZrD TIL Germany has 90 billion trees
9YWj6 TIL animals can't make vitamin D in their skin because their fur or feathers shade it from the sun. In the oils secreted on their fur or feathers are the precursors, and after vitamin D is produced they lick it up when grooming.