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TIL "How I Killed Pluto and Why It Had It Coming" is a memoir by Mike Brown, the American astronomer most responsible for the reclassification of Pluto from planet to dwarf planet. It is an account of the events surrounding the redefinition of 'planet' that eventually changed the status of Pluto.

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X0rLR TIL the tallest building in Vermont is 11 stories tall
RLrQ TIL that an Australian man named James Harrison was found to have an unusual plasma composition in his blood that has been used to make a treatment for Rhesus disease. He has made over 1000 donations throughout his lifetime, and these donations are estimated to have saved over two million lives.
dXpE TIL that Gilbert Lewis, the man responsible for lewis dot structures was nominated for the Nobel Prize 35 times, the most nominations in history, and he didn’t win a single time.
6DWY TIL Octopi are the only conscious invertebrates and have cognitive thinking abilites, individual emotions and personalities, and even form relationships with humans.
M7kl8 TIL that aloe vera is toxic to cats. Ingestion of aloe vera can cause vomiting, diarrhea, and abdominal pain in cats, and in severe cases, can lead to liver damage.