/u/[deleted]'s posts in /r/askscience

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When you freeze and thaw fruit, it turns to mush. If you froze/thawed your hand, it would turn black and die. But if you freeze/thaw steak and other things, they remain juicy and perfectly fine. Why do some things freeze "well" but not others?

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Do birds get charged with static electricity while flying? (air friction)

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Is there scientific evidence that eating prepackaged foods is less healthy than eating fresh?

179 upvotes

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If cheek dimples are a dominant gene, why don't most people have them?

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If a photon travels at c: is there actually time passing for it?

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If a baby was only communicated with in verbose grammatically correct language, how would this affect its speech/comprehension development?

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Can my 7 year old ask you questions about volcanoes?

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We are told not to reuse the plastic bottles from bottled water because chemicals from the plastic will be leeched into the new water. What is different between the plastic/water from an unopened bottle and the plastic/water when the plastic bottle is refilled?

176 upvotes

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A doctor will clean an injection site before giving a shot - why doesn't a dentist need to do so before a numbing shot? Don't our mouths generally have more bacteria than our arm/leg skin?

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Approximately how long did it take dinosaurs and other species to become extinct after the meteoroid struck Earth?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When you freeze and thaw fruit, it turns to mush. If you froze/thawed your hand, it would turn black and die. But if you freeze/thaw steak and other things, they remain juicy and perfectly fine. Why do some things freeze "well" but not others?	181
Do birds get charged with static electricity while flying? (air friction)	180
Is there scientific evidence that eating prepackaged foods is less healthy than eating fresh?	179
If cheek dimples are a dominant gene, why don't most people have them?	179
If a photon travels at c: is there actually time passing for it?	178
If a baby was only communicated with in verbose grammatically correct language, how would this affect its speech/comprehension development?	178
Can my 7 year old ask you questions about volcanoes?	177
We are told not to reuse the plastic bottles from bottled water because chemicals from the plastic will be leeched into the new water. What is different between the plastic/water from an unopened bottle and the plastic/water when the plastic bottle is refilled?	176
A doctor will clean an injection site before giving a shot - why doesn't a dentist need to do so before a numbing shot? Don't our mouths generally have more bacteria than our arm/leg skin?	176
Approximately how long did it take dinosaurs and other species to become extinct after the meteoroid struck Earth?	174