/u/AsAChemicalEngineer's posts in /r/askscience

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The Philae lander has successfully landed on comet 67P/Churyumov–Gerasimenko. AskScience Megathread.

4769 upvotes

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Introducing: AskScience Quarterly, a new popular science magazine by the scientists of reddit!

4470 upvotes

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How does an aquifer effect the rock and material it sits in over geologic time? Could you look a cross section and pick out where water used to be in ancient times?

1408 upvotes

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[Sponsored Content] - How does Quantum Healing regulate our Aura and remove toxins?

1026 upvotes

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How is the Islamic State, or ISIL, governed, able to make laws, deliver mail or collect taxes?

604 upvotes

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Does a black hole's rotation increase as it evaporates away?

326 upvotes

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Geographically, how the the chemical composition of obsidian vary? If I have obsidian from one volcanic region, could I tell it apart from another region?

112 upvotes

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[Cross-post] AskHistorians is doing an AMA with Space Shuttle Discovery's curator at the Smithsonian’s National Air and Space Museum.

101 upvotes

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Is there a well established link between the use of antibiotics in livestock and antibiotic resistant bacteria in humans?

51 upvotes

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Is there any indication that extinct mammoths and mastodons support large fleshy trunks from looking exclusively at their skeletons?

51 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
The Philae lander has successfully landed on comet 67P/Churyumov–Gerasimenko. AskScience Megathread.	4769
Introducing: AskScience Quarterly, a new popular science magazine by the scientists of reddit!	4470
How does an aquifer effect the rock and material it sits in over geologic time? Could you look a cross section and pick out where water used to be in ancient times?	1408
[Sponsored Content] - How does Quantum Healing regulate our Aura and remove toxins?	1026
How is the Islamic State, or ISIL, governed, able to make laws, deliver mail or collect taxes?	604
Does a black hole's rotation increase as it evaporates away?	326
Geographically, how the the chemical composition of obsidian vary? If I have obsidian from one volcanic region, could I tell it apart from another region?	112
[Cross-post] AskHistorians is doing an AMA with Space Shuttle Discovery's curator at the Smithsonian’s National Air and Space Museum.	101
Is there a well established link between the use of antibiotics in livestock and antibiotic resistant bacteria in humans?	51
Is there any indication that extinct mammoths and mastodons support large fleshy trunks from looking exclusively at their skeletons?	51