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5

TIL even though there are some ecological concerns about their numbers, hogsuckers are abundant and widely distributed to southern Canada and much of the eastern and southern United States

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wL9dW TIL that up to 70% of men in Great Britain and 50% of men living in Western Europe are related to Egyptian pharaoh Tutankhamun 'King Tut' (c. 1341 – c. 1323 BC)
EgOao TIL Smaller families of 1-2 children are not a new phenomena as many believe in the developed world. America dropped below 2.1 births per woman all the way back in 1973; most developed countries are the same, dropping below replacement rate in the 70s and early 80s.
WkOo9 TIL Cells in the retina actually decline in sensitivity as we age. Meaning that colors such as blue appear washed out as years pass. That means that the sky actually was bluer when you were younger.
oE87 TIL American adults(18+) have an average of two close friends they are able to confide in with 4% of adults having none.
O47 TIL that the Hubble can identify something only 10-24 km across at a distance of 4.7 billion km. That’s the equivalent of seeing a red blood cell at a distance of 1 km.