› added 9 years ago

96

TIL that Franklin Roosevelt was the first sitting US president to ride aboard an airplane, over 40 years after its invention.

Read more learning.blogs.nytimes.com

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MeXeV TIL Honey bees initially have up to 21 virgin queen bees, who fight to the death until there is only one.
l7e5 TIL that during prohibition, solid grape concentrate was sold with the warning message, “After dissolving the brick in a gallon of water, do not place the liquid in a jug away in the cupboard for twenty days, because then it would turn into wine.”
E1W9d TIL "Saudade" is the word for being nostalgic about past relationships that are hard to let go. It's the recollection of feelings/experiences/relationships/etc that brought happiness, but also the pain of separation from them. It acknowledges that longing for the past would detract from the future.
XEgvR TIL that one widely-accepted theoretical cause of some of the largest mass extinction events in history are mantle plumes. They form over millions of years when magma near the earth's core heats up and rises until it reaches the crust, causing widespread volcanic activity over gigantic areas.
nojB TIL of Bobbie the Wonder Dog, who walked from Indiana to Oregon to return to his family