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

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How do parasitic wasp identify their prey?

71 upvotes

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Is there a difference between turning up the source volume and not the speakers versus turning up the speakers but not the source volume?

47 upvotes

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How did people sleep before pillows?

1 upvotes

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Does the bulk density of animals vary across species, families, or even phyla?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do parasitic wasp identify their prey?	71
Is there a difference between turning up the source volume and not the speakers versus turning up the speakers but not the source volume?	47
How did people sleep before pillows?	1
Does the bulk density of animals vary across species, families, or even phyla?	1