/r/askscience

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What would be observed by two objects moving at near-light speed towards one another?

1870 upvotes • WarCrimeKirby

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Why do radioactive elements still exist? Shouldn't all matter have decayed to a stable isotope by now, 14 billion years after the big bang?

1867 upvotes • [deleted]

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What is the effect of bird flu on wild populations of birds?

1867 upvotes • Justanothergarder13

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On a neural level, how does a condition like depression cause worse cognition?

1867 upvotes • ReadComprehensive920

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FAQ Friday: Ask your questions about the Ebola epidemic here!

1864 upvotes • AskScienceModerator

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Does cannibalism REALLY have adverse side effects or is that just something people say?

1864 upvotes • TacoRising

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Near the start of the pandemic I read vitamin D that deficiencies might be linked to (worse) cases of COVID-19. But nothing lately, what is the scientific staus on this?

1864 upvotes • Candelaphys

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AskScience AMA Series: We're experts here to discuss the recent outbreaks of the superfungus Candida auris in hospitals, nursing homes and other healthcare facilities. AUA!

1864 upvotes • AskScienceModerator

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Is 0 halfway between positive infinity and negative infinity?

1863 upvotes • itzdallas

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AskScience AMA Series: We are members of 500 Women Scientists, an organization working to build an all-inclusive and diverse scientific community. Ask Us Anything!

1863 upvotes • AskScienceModerator

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
What would be observed by two objects moving at near-light speed towards one another?	1870	WarCrimeKirby
Why do radioactive elements still exist? Shouldn't all matter have decayed to a stable isotope by now, 14 billion years after the big bang?	1867	[deleted]
What is the effect of bird flu on wild populations of birds?	1867	Justanothergarder13
On a neural level, how does a condition like depression cause worse cognition?	1867	ReadComprehensive920
FAQ Friday: Ask your questions about the Ebola epidemic here!	1864	AskScienceModerator
Does cannibalism REALLY have adverse side effects or is that just something people say?	1864	TacoRising
Near the start of the pandemic I read vitamin D that deficiencies might be linked to (worse) cases of COVID-19. But nothing lately, what is the scientific staus on this?	1864	Candelaphys
AskScience AMA Series: We're experts here to discuss the recent outbreaks of the superfungus Candida auris in hospitals, nursing homes and other healthcare facilities. AUA!	1864	AskScienceModerator
Is 0 halfway between positive infinity and negative infinity?	1863	itzdallas
AskScience AMA Series: We are members of 500 Women Scientists, an organization working to build an all-inclusive and diverse scientific community. Ask Us Anything!	1863	AskScienceModerator