/u/Bluest_waters's posts

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So atmospheric CO2 levels just reached 410 ppm, first time in 3 million years it's been that high. What happened 3 million years ago?

15360 upvotes • r/askscience

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Study "Caffeine Caused a Widespread Increase of Resting Brain Entropy" Well...what the heck is resting brain entropy? Is that good or bad? Google is not helping

8573 upvotes • r/askscience

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Wikipedia and other sources say adult nuerogenesis (creation of new neurons in the brain) continues throughout life. But this new study in Nature says this is not true. What gives?

2428 upvotes • r/askscience

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"Greenhouse gas levels highest in 3 Million years". Okay… So why were greenhouse gases so high 3 million years ago?

1839 upvotes • r/askscience

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Two-parter: Is the word assassin actually derived from the word hashish? Did Hassan-i Sabbāh himself encourage his operatives (ie 'assassins') to use hashish?

1065 upvotes • r/AskHistorians

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Traditional Mexican burritos consist of tortilla, meat, and maybe some onion/peppers. So who invented the American "everything but the kitchen sink" style burritos?

390 upvotes • r/AskHistorians

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Do we completely understand how Pre-Columbian Incan stone workers moved and dressed massive stones? Many documentaries claim its a mystery...is it?

98 upvotes • r/AskHistorians

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Various cultures eat cow brains on a regular basis. Is this not dangerous? Why isn't there a high rate of BSE in these cultures?

97 upvotes • r/askscience

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So Edgar Allen Poe married his 13-year-old first cousin. Was that considered okay at the time?

94 upvotes • r/AskHistorians

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What is historians best guess as to the year Jesus Christ was born?

83 upvotes • r/AskHistorians

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
So atmospheric CO2 levels just reached 410 ppm, first time in 3 million years it's been that high. What happened 3 million years ago?	15360	askscience
Study "Caffeine Caused a Widespread Increase of Resting Brain Entropy" Well...what the heck is resting brain entropy? Is that good or bad? Google is not helping	8573	askscience
Wikipedia and other sources say adult nuerogenesis (creation of new neurons in the brain) continues throughout life. But this new study in Nature says this is not true. What gives?	2428	askscience
"Greenhouse gas levels highest in 3 Million years". Okay… So why were greenhouse gases so high 3 million years ago?	1839	askscience
Two-parter: Is the word assassin actually derived from the word hashish? Did Hassan-i Sabbāh himself encourage his operatives (ie 'assassins') to use hashish?	1065	AskHistorians
Traditional Mexican burritos consist of tortilla, meat, and maybe some onion/peppers. So who invented the American "everything but the kitchen sink" style burritos?	390	AskHistorians
Do we completely understand how Pre-Columbian Incan stone workers moved and dressed massive stones? Many documentaries claim its a mystery...is it?	98	AskHistorians
Various cultures eat cow brains on a regular basis. Is this not dangerous? Why isn't there a high rate of BSE in these cultures?	97	askscience
So Edgar Allen Poe married his 13-year-old first cousin. Was that considered okay at the time?	94	AskHistorians
What is historians best guess as to the year Jesus Christ was born?	83	AskHistorians