/r/askscience

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How does the body determine how high to raise a fever?

1652 upvotes • Whoozed

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If the "polar vortex" has displaced frigid air that would normally be over the Arctic into North America, what air is over the Arctic at the moment? Is it balmy there now, relatively speaking?

1651 upvotes • Shine_On_Your_Chevy

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Are children from younger parents generally healthier than children from older parents?

1651 upvotes • KinkyDoug

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The Boeing 747 was tested up to Mach 0.99. Could it fly above Mach 1 is safety wasn't a factor? If so, what would happen?

1650 upvotes • CerealK

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Do we know about any objects that travel at large fractions of the speed of light?

1650 upvotes • OLTARZEWSKT1

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AskScience AMA Series: Hello, I'm Dr Pen-Yuan Hsing from the University of Bath in the United Kingdom & have worked in ecology/conservation, founded a citizen science wildlife-monitoring project and am also an active open science/open source advocate. Ask me anything!

1650 upvotes • AskScienceModerator

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Questions about radon gas and cancer?

1649 upvotes • Vrindjes

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AskScience AMA Series: I'm Dr. Christine Wilkinson, National Geographic Explorer, carnivore ecologist, human-wildlife interactions specialist, and performer. Want to know why a coyote wanders through your city? What happens when hyenas chew your tires during research? How to get into SciComm? AMA!

1649 upvotes • AskScienceModerator

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How is a three cylinder engine balanced?

1647 upvotes • Maoman1

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How much of a human's microplastic burden could be attributed to tooth-brushing? This bristle I pulled out of the back of my throat this morning got me thinking -- these are being rubbed on my tooth-rocks thousands of times a day...

1647 upvotes • Grep2grok

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
How does the body determine how high to raise a fever?	1652	Whoozed
If the "polar vortex" has displaced frigid air that would normally be over the Arctic into North America, what air is over the Arctic at the moment? Is it balmy there now, relatively speaking?	1651	Shine_On_Your_Chevy
Are children from younger parents generally healthier than children from older parents?	1651	KinkyDoug
The Boeing 747 was tested up to Mach 0.99. Could it fly above Mach 1 is safety wasn't a factor? If so, what would happen?	1650	CerealK
Do we know about any objects that travel at large fractions of the speed of light?	1650	OLTARZEWSKT1
AskScience AMA Series: Hello, I'm Dr Pen-Yuan Hsing from the University of Bath in the United Kingdom & have worked in ecology/conservation, founded a citizen science wildlife-monitoring project and am also an active open science/open source advocate. Ask me anything!	1650	AskScienceModerator
Questions about radon gas and cancer?	1649	Vrindjes
AskScience AMA Series: I'm Dr. Christine Wilkinson, National Geographic Explorer, carnivore ecologist, human-wildlife interactions specialist, and performer. Want to know why a coyote wanders through your city? What happens when hyenas chew your tires during research? How to get into SciComm? AMA!	1649	AskScienceModerator
How is a three cylinder engine balanced?	1647	Maoman1
How much of a human's microplastic burden could be attributed to tooth-brushing? This bristle I pulled out of the back of my throat this morning got me thinking -- these are being rubbed on my tooth-rocks thousands of times a day...	1647	Grep2grok