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

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What Earth microorganisms, if any, would thrive on Mars?

3739 upvotes

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Is gestational age from the date of last menstruation the standard for measuring fetal development because it's the most predictive, because it's the easiest to verify, or is there another reason?

5 upvotes

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Are there any upper limits to intelligence which aren't based on biology or physics?

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How different would things be if Earth's axial tilt was nearly 90 degrees, but it still had a 24 period of rotation and 365 day orbit?

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Is it possible to store white blood cells for later use in the event of a severe infection, similarly to how blood can be stored for the event of severe blood loss?

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What's the smallest distinguishable unit of matter - can atoms be told apart, for instance?

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Could modern humans successfully reproduce with ancient ancestral species like homo erectus or homo habilis if the species were contemporaneous?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What Earth microorganisms, if any, would thrive on Mars?	3739
Is gestational age from the date of last menstruation the standard for measuring fetal development because it's the most predictive, because it's the easiest to verify, or is there another reason?	5
Are there any upper limits to intelligence which aren't based on biology or physics?	1
How different would things be if Earth's axial tilt was nearly 90 degrees, but it still had a 24 period of rotation and 365 day orbit?	1
Is it possible to store white blood cells for later use in the event of a severe infection, similarly to how blood can be stored for the event of severe blood loss?	1
What's the smallest distinguishable unit of matter - can atoms be told apart, for instance?	1
Could modern humans successfully reproduce with ancient ancestral species like homo erectus or homo habilis if the species were contemporaneous?	1