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

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I'm making jelly and the instructions say: "Do not add pineapple, kiwifruit or paw paw as jelly will not set." Why is that?

2175 upvotes

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I've heard grapes have more "coding genes" than humans. Do the human coding-genes form some kind of sub-set or overlap of the grape, or are the coding regions of the DNA/(genome?) completely different?

980 upvotes

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If we could breed or engineer a dolphin with a larger brain, would it be smarter or just a regular dolphin with surplus grey matter? [biology]

1 upvotes

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Why is peer review such a big part of scientific rigor these days? Isn't repeatability and reproducibility a more 'pure scientific method' to determine the merits of an investigation's subjective outcomes?

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[Biology] If I need to store freshly-made vegetable juice for three days, is it better to freeze or to refrigerate?

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If flamingos (and salmon) are pink because of astaxanthin in their diet, would a flamingo raised on household bird seed be grey? [biology]

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What are some good examples of formal proofs for things that are counter-intuitive? [Mathematics]

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Some mini bike pumps claim to generate more than 130 PSI (9 bars). Coffee experts say no hand-powered device can get up to 9 bars. Who's right? [physics]

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I'm making jelly and the instructions say: "Do not add pineapple, kiwifruit or paw paw as jelly will not set." Why is that?	2175
I've heard grapes have more "coding genes" than humans. Do the human coding-genes form some kind of sub-set or overlap of the grape, or are the coding regions of the DNA/(genome?) completely different?	980
If we could breed or engineer a dolphin with a larger brain, would it be smarter or just a regular dolphin with surplus grey matter? [biology]	1
Why is peer review such a big part of scientific rigor these days? Isn't repeatability and reproducibility a more 'pure scientific method' to determine the merits of an investigation's subjective outcomes?	1
[Biology] If I need to store freshly-made vegetable juice for three days, is it better to freeze or to refrigerate?	1
If flamingos (and salmon) are pink because of astaxanthin in their diet, would a flamingo raised on household bird seed be grey? [biology]	1
What are some good examples of formal proofs for things that are counter-intuitive? [Mathematics]	1
Some mini bike pumps claim to generate more than 130 PSI (9 bars). Coffee experts say no hand-powered device can get up to 9 bars. Who's right? [physics]	1