/u/lordsteve1's posts in /r/askscience

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Why do mosquitoes make a high pitched buzz noise when it surely gives them a disadvantage when feeding as the host animal can hear them coming, potentially putting them at risk of swatting?

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How much energy does a petrol/diesel car use on average per year and in terms of swapping an entire country’s vehicles to electric; how much additional energy would need to be generated to replace all that fuel being used for power?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why do mosquitoes make a high pitched buzz noise when it surely gives them a disadvantage when feeding as the host animal can hear them coming, potentially putting them at risk of swatting?	1
How much energy does a petrol/diesel car use on average per year and in terms of swapping an entire country’s vehicles to electric; how much additional energy would need to be generated to replace all that fuel being used for power?	1