/u/Smokey_Johnson's posts

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What is the oldest popular culture reference still in use or still recognized today?

189 upvotes • r/AskHistorians

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How did marijuana become pretty much illegal world wide?

75 upvotes • r/AskHistorians

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How do trees know when to shed their leaves in the fall, and begin re growing them in the spring? How does this process work?

38 upvotes • r/askscience

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Why are there random and seemingly pointless things that give you the sensation of your blood running cold? Like fingers on a chalkboard, or biting down on metal.

9 upvotes • r/askscience

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Is there any conclusive evidence that using marijuana during pregnancy can cause birth defects?

1 upvotes • r/askscience

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How does human behavior appear to have changed since the beginning of history as compared to before? Where we in many ways more similar to chimpanzees and bonobos than we are now?

1 upvotes • r/askscience

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Why does the sound of fingernails on a chalkboard (or other things) give you the feeling of your blood running cold?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
What is the oldest popular culture reference still in use or still recognized today?	189	AskHistorians
How did marijuana become pretty much illegal world wide?	75	AskHistorians
How do trees know when to shed their leaves in the fall, and begin re growing them in the spring? How does this process work?	38	askscience
Why are there random and seemingly pointless things that give you the sensation of your blood running cold? Like fingers on a chalkboard, or biting down on metal.	9	askscience
Is there any conclusive evidence that using marijuana during pregnancy can cause birth defects?	1	askscience
How does human behavior appear to have changed since the beginning of history as compared to before? Where we in many ways more similar to chimpanzees and bonobos than we are now?	1	askscience
Why does the sound of fingernails on a chalkboard (or other things) give you the feeling of your blood running cold?	1	askscience