What is the newest installment of 'Random Thoughts' on Physics Forums?

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The discussion revolves around frustrations with current documentary programming, particularly criticizing the History Channel's focus on sensational topics like time travel conspiracies instead of real historical content. Participants express disappointment over National Geographic's sale to Fox, fearing a decline in quality programming. The conversation shifts to lighter topics, including humorous anecdotes about everyday life, such as a malfunctioning kitchen fan discovered to be blocked by installation instructions. There are also discussions about the challenges of understanding various dialects in Belgium, the complexities of language, and personal experiences with weather and housing in California. Members share their thoughts on food, including a peculiar dish of zucchini pancakes served with strawberry yogurt, and delve into mathematical concepts related to sandwich cutting and the properties of numbers. The thread captures a blend of serious commentary and lighthearted banter, reflecting a diverse range of interests and perspectives among participants.
  • #8,351
WWGD said:
I agree with the California part. Developing an agricultural industry in what's essentially a desert seems like lunacy.

Ironically, one of the biggest water wasters (I think the biggest water user) in California agriculture is actually alfalfa used to feed dairy cattle. It has been a while since I was researching the topic. I think it has gotten better to some extent because inefficient flood irrigation methods are being phased out more over time.

In terms of environmental costs of meat production, the commonly cited ones are

(1) Land use ( apparently 26% of Earth's ice free land is used for grazing). Forrest's are cleared to make room for more.

https://www.fao.org/3/ar591e/ar591e.pdf

(2) Soil erosion depending on how the livestock grazing is managed. Although, now I am seeing contradictory sources claiming that more grazing can actually help. I think this is actually an issue which depends on the local environment.

https://en.wikipedia.org/wiki/Overgrazing

(3) Water usage.

https://muse.union.edu/mth-063-01-f18/2018/09/16/the-water-footprint-of-livestock/

(4) Risk of animal diseases crossing over to humans.

(5) Energy use and greenhouse gases.

In general meat production is considered highly resource intensive. Most of the world consumes much less meat than the average American. As countries become more developed, and the middle classes rise up around the world, more and more people are eating more meat. When factoring in how much demand worldwide as the population grows and more people are able to afford it, the environmental cost becomes quite huge. There is already not much land available for more grazing, so it drives deforestation to make more room. It also leads to more industrial farming with livestock packed together, which is considered inhuman, and also brings high risk of disease, and heavy use of antibiotics that leads to resistant super-germs.

On a side note. Besides high meat consumption, individual people in the developed world also wreak quite a bit of havoc on the environment in other ways.

The average American produces about 1,700 pounds of trash per year. About 286 pounds of that is plastic.

If everyone in the world followed suit, it would mean 2,000,000,000,000 (2 trillion) pounds of plastic trash per year. That doesn't seem like much when considering the total plastic waste in the world is about 600,000,000,000 pounds per year already. But that's including industrial use, not just the general public's trash.

There is actually more plastic trash now on Earth, not including the plastic being used or not yet thrown away) weighs more than all land and sea creatures in the world combined. And most of this coming from a relatively small percentage of the world's current population. Just imagine when the rest of the world catches up in terms of consumerism, and the population triples.

https://www.scientificamerican.com/article/human-made-stuff-now-outweighs-all-life-on-earth/
https://www.unep.org/interactive/beat-plastic-pollution/

So at some point the less and less exclusive class of privileged people who exorbitantly contribute to the pollution and destruction of the environment will have to find more sustainable ways to live their lives. It's already pretty insane in my opinion that we knowingly trash the world so badly already, and for the most part don't do anything to change it.

I've been making an effort to avoid plastic whenever possible. It blows my mind how hard it is though. It's hard to even shop for clothes that isn't made of plastic.

I eat meat. But I eat less of it than I used to.
 
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  • #8,352
Jarvis323 said:
Ironically, one of the biggest water wasters (I think the biggest water user) in California agriculture is actually alfalfa used to feed dairy cattle. It has been a while since I was researching the topic. I think it has gotten better to some extent because inefficient flood irrigation methods are being phased out more over time.

In terms of environmental costs of meat production, the commonly cited ones are

(1) Land use ( apparently 26% of Earth's ice free land is used for grazing). Forrest's are cleared to make room for more.

https://www.fao.org/3/ar591e/ar591e.pdf

(2) Soil erosion depending on how the livestock grazing is managed. Although, now I am seeing contradictory sources claiming that more grazing can actually help. I think this is actually an issue which depends on the local environment.

https://en.wikipedia.org/wiki/Overgrazing

(3) Water usage.

https://muse.union.edu/mth-063-01-f18/2018/09/16/the-water-footprint-of-livestock/

(4) Risk of animal diseases crossing over to humans.

(5) Energy use and greenhouse gases.

In general meat production is considered highly resource intensive. Most of the world consumes much less meat than the average American. As countries become more developed, and the middle classes rise up around the world, more and more people are eating more meat. When factoring in how much demand worldwide as the population grows and more people are able to afford it, the environmental cost becomes quite huge. There is already not much land available for more grazing, so it drives deforestation to make more room. It also leads to more industrial farming with livestock packed together, which is considered inhuman, and also brings high risk of disease, and heavy use of antibiotics that leads to resistant super-germs.

On a side note. Besides high meat consumption, individual people in the developed world also wreak quite a bit of havoc on the environment in other ways.

The average American produces about 1,700 pounds of trash per year. About 286 pounds of that is plastic.

If everyone in the world followed suit, it would mean 2,000,000,000,000 (2 trillion) pounds of plastic trash per year. That doesn't seem like much when considering the total plastic waste in the world is about 600,000,000,000 pounds per year already. But that's including industrial use, not just the general public's trash.

There is actually more plastic trash now on Earth, not including the plastic being used or not yet thrown away) weighs more than all land and sea creatures in the world combined. And most of this coming from a relatively small percentage of the world's current population. Just imagine when the rest of the world catches up in terms of consumerism, and the population triples.

https://www.scientificamerican.com/article/human-made-stuff-now-outweighs-all-life-on-earth/
https://www.unep.org/interactive/beat-plastic-pollution/

So at some point the less and less exclusive class of privileged people who exorbitantly contribute to the pollution and destruction of the environment will have to find more sustainable ways to live their lives. It's already pretty insane in my opinion that we knowingly trash the world so badly already, and for the most part don't do anything to change it.

I've been making an effort to avoid plastic whenever possible. It blows my mind how hard it is though. It's hard to even shop for clothes that isn't made of plastic.

I eat meat. But I eat less of it than I used to.
Valid points . But there have been significant negative issues with Vegan diets. I'm on my phone, so it's difficult to provide links. But here is a screen shot.
Screenshot_2021-11-23-21-09-24.png

Modern diet , which includes meat, has coincided somehow with an improvement in health in most areas. Not sure if I can filter out hidden variables, but it's something to consider. I tried vegetarian and worked very poorly for me as well.
 
  • #8,353
Some issues:
  • Its obvious that vegetarianism can be done successfully. Many people do.
    However, from my experience with it, I can see how someone could do it wrong and become depleted of some nutrients, and therefore have problems.
    If you aren't aware of these issues and/or don't want to do all the cooking, it may not work for you as a personal choice.
    The easiest way around this is to do it with a knowledgeable person (a mentor). No different from learning how to do things in the lab.
  • Another issue is that eating meat has probably been an important part of the human diet for a long time. Some people think that meat, as a nutrient rich food source, was an important resource in enabling the production of the huge, energy expensive human brain.
    (Cooking of food (predigesting it) had a similar impact on expanding available energy resources.)
  • Meat tastes good, in general, to most people. It has a lot of umami flavor (one of the 5 taste sensations).
    This may be the result of selection for the ability to detect of good food resources.
    If so, this may provide the liking of meat with a possible biological basis, both proximal (physiological) and ultimate (evolutionary reason).
 
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  • #8,354
Pretty disappointed that stores are short on Frito-Lay snacks. Bare shelves and also lack of diversity of products. Certain flavors haven't been available for a year now.

I am craving Ruffles Double Crunch Cheddar chips...these cannot be found in my city!
 
  • #8,355
Just to quickly followup on the aspect of animals killed by growing crops, to address that criticism of meat-eating:

Screenshot_2021-11-24-10-45-06.png


Surely, fewer, if any actual farm animals will die, but other types surely will. So the point on efficiency in terms of calories returned per resources invested is taken. But not so clear on death tolls, unless one values farm animals above others.
 
  • #8,356
BillTre said:
Some issues:
  • Its obvious that vegetarianism can be done successfully. Many people do.
    However, from my experience with it, I can see how someone could do it wrong and become depleted of some nutrients, and therefore have problems.
    If you aren't aware of these issues and/or don't want to do all the cooking, it may not work for you as a personal choice.
    The easiest way around this is to do it with a knowledgeable person (a mentor). No different from learning how to do things in the lab.
  • Another issue is that eating meat has probably been an important part of the human diet for a long time. Some people think that meat, as a nutrient rich food source, was an important resource in enabling the production of the huge, energy expensive human brain.
    (Cooking of food (predigesting it) had a similar impact on expanding available energy resources.)
  • Meat tastes good, in general, to most people. It has a lot of umami flavor (one of the 5 taste sensations).
    This may be the result of selection for the ability to detect of good food resources.
    If so, this may provide the liking of meat with a possible biological basis, both proximal (physiological) and ultimate (evolutionary reason).
I have no one I know who could mentor me. I would have to find someone who would likely expect payment, spend time, money, energy in making a change that would not surely provide that much benefit. Doesn't seem very practical.
 
  • #8,357
WWGD said:
Just to quickly followup on the aspect of animals killed by growing crops
There is no way to manipulate the balance sheet so long until meat consumption justifies itself. Many of the reasons which lead to less biodiversity on farms could be addressed by other methods, e.g. by planting hedges aside the fields, reducing pesticides, etc. Your reasoning is similar to somebody justifying the use of nuclear weapons because it shortens a war. One kilogram of beef needs 15,400 liter water, 3 kilogram crops, and produces 200 liter methane a cow a day. You can argue about the figures, but even if it is slightly less, it does not clear the balance, not to mention that growing cattle doesn't help biodiversity either.

I am not saying that we should not eat meat. But at least we shouldn't pretend as if it could be justified. We wouldn't have conquered the world without beef, and people like the Inuit do not have an alternative. However, we modern office sitting, not moving employees do not really need meat to survive.
 
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  • #8,358
fresh_42 said:
There is no way to manipulate the balance sheet so long until meat consumption justifies itself. Many of the reasons which lead to less biodiversity on farms could be addressed by other methods, e.g. by planting hedges aside the fields, reducing pesticides, etc. Your reasoning is similar to somebody justifying the use of nuclear weapons because it shortens a war. One kilogram of beef needs 15,400 liter water, 3 kilogram crops, and produces 200 liter methane a cow a day. You can argue about the figures, but even if it is slightly less, it does not clear the balance, not to mention that growing cattle doesn't help biodiversity either.

I am not saying that we should not eat meat. But at least we shouldn't pretend as if it could be justified. We wouldn't have conquered the world without beef, and people like the Inuit do not have an alternative. However, we modern office sitting, not moving employees do not really need meat to survive.
I stated that I agree with the resource aspect. But there is the fact that , just as in the case of growing crops, the process of raising cattle may be optimized as well. The point is animals will die in significant numbers either way. That was my point; given many state that preserving animal life by itself is enough reason to support Veganism/vegetarianism. That's what I am putting into question, and not more than that.
Edit: And the issue of shortening wars is not imo as clear as you make it. However tragic, the bombing in japan may have ultimately saved lives.
 
  • #8,359
WWGD said:
And the issue of shortening wars is not imo as clear as you make it.
Depends on the war, doesn't it? I haven't specified any.
WWGD said:
However tragic, the bombing in japan may have ultimately saved lives.
Nonsense.
 
  • #8,360
fresh_42 said:
Depends on the war, doesn't it? I haven't specified any.

Nonsense.
Good. Someone on the Internet just decided it was nonsense, no arguments offered. I'm changing my mind ASAP.
I suggest we drop , abandon politics. I agree I brought this last part up. Let's please drop it.
 
  • #8,361
Why isn't there an English word for "having eaten enough"? We say somebody is "satt". This has the same Latin origin as "satisfied". But being satisfied and being "satt" is not the same, since the former is an overall statement whereas the latter refers only to food. And why don't we have a word for "having drunk enough" in either language?
 
  • #8,362
fresh_42 said:
Why isn't there an English word for "having eaten enough"? We say somebody is "satt". This has the same Latin origin as "satisfied". But being satisfied and being "satt" is not the same, since the former is an overall statement whereas the latter refers only to food. And why don't we have a word for "having drunk enough" in either language?
"Stuffed, sauced, ossified, drunk,...?"
 
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  • #8,363
Bystander said:
"Stuffed, sauced, ossified, drunk,...?"
They all have a (negative) connotation, "satt" has not.
 
  • #8,364
fresh_42 said:
They all have a (negative) connotation, "satt" has not.
Satiated?
 
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  • #8,365
WWGD said:
Satiated?
Google translates this as "satisfied". To me, it sounds like a chemical solution that cannot take more stuff to resolve. I meant an adjective for "not hungry" and "not thirsty". This does not mean being fed up or drunk. They simply do not exist. Of course, there are workarounds.

Another funny little word is "doch". It is used in kids' yes-no-yes-no-... game. But it is more than a simple "yes" and can also be used without playing the entire game. It means, "I object to your argumentation and repeat with emphasis that I am right" all in one little word. The Hungarians say "de igen" which means, "but yes", which is at least closer than merely a "yes". AFAIK the Russians also simply say "да". I miss "doch" in foreign languages. Too bad it has "ch" in it.
 
  • #8,366
fresh_42 said:
Google translates this as "satisfied". To me, it sounds like a chemical solution that cannot take more stuff to resolve. I meant an adjective for "not hungry" and "not thirsty". This does not mean being fed up or drunk. They simply do not exist. Of course, there are workarounds.
"Satiated" is the correct English word here (i.e., "had enough to eat.") Google might translate it as "satisfied," but that doesn't reflect all the connotations.

"Satiated" means having had enough quantity to eat or drink without offering any commentary on the quality. One can be satiated after eating a meal, while still being horribly dissatisfied with the quality of the meal, assuming one ate enough of it.

And it's not an uncommon word. I use it frequently when discussing the pros and cons of various weight-loss diets.

fresh_42 said:
Another funny little word is "doch".

Now that's a word that might not have a good English translation. :wink: I seem to remember that word when I took German language classes. It always seemed mysterious to me. In my recollection, it was just left out altogether in the German \rightarrow English translation, and sometimes just seemed to be thrown in all willy-nilly to the English \rightarrow German translation. (Edit: although that might be due in part to my waning memory of the subject.)
 
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  • #8,367
collinsmark said:
"Satiated" is the correct English word here
Maybe, and it probably means "gesättigt" in German, i.e. a verb. I was looking for an adjective, not a verb that is used as such.

"Ich bin satt" should be the everyday version of "I am satiated", which, if I read it correctly, is a bit more sophisticated, which by the way doesn't have a good German correspondence either.
 
  • #8,368
fresh_42 said:
Maybe, and it probably means "gesättigt" in German, i.e. a verb. I was looking for an adjective, not a verb that is used as such.
"Satiated" is most commonly used as an adjective.

Furthermore, it is most commonly used as an adjective in the "subject nominative" in the predicate of the sentence. For example, after eating enough such that I'm no longer hungry, I might say, "I am satiated." Here, "satiated" functions as an adjective modifying "I."

Although it could, albeit less commonly, still be used as an adjective with a more direct modification, such as "The satiated collinsmark left the table after eating only two hot dogs."

It's even less common that it would be used as a verb, although you still could: "Let's make sure to satiate all our dinner guests by stuffing mashed potatoes down their throats before they have a chance to leave." That would be unusual, but grammatically acceptable.
 
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  • #8,369
collinsmark said:
Now that's a word that might not have a good English translation. :wink: I seem to remember that word when I took German language classes. It always seemed mysterious to me.
"Doch" has really a universal property. Besides a simple "yes" or "but, yes" in the sense to contradict somebody, it could also be used as a strengthener or conjunction.

"Du bist ja doch gekommen!" means "You came after all!" but after all sounds like "after all the things that have been said". However, it should mean "despite your plans", "although you said you wouldn't / had no time". As a conjunction, it means something between "although" and "but". It is a mighty tiny word.
 
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  • #8,370
Oh, also, "satiated" can in some circumstances be a synonym for "appeased." As an example, "The pitchfork wielding, angry mob became satiated only after tearing the criminal apart from limb to limb, then throwing each limb, one by one, into the bonfire."

It's mostly used for food though.
 
  • #8,371
My random thought of the day is a random question:

Have you ever been fearful of leaving a negative business review (Yelp!, Google Reviews, etc.) out of concern the person/business may retaliate against you?
 
  • #8,372
kyphysics said:
My random thought of the day is a random question:

Have you ever been fearful of leaving a negative business review (Yelp!, Google Reviews, etc.) out of concern the person/business may retaliate against you?
Are you dissing my business again??! Why do you think they track you down? Do you even have a fixed IP?
 
  • #8,373
collinsmark said:
"Satiated" is most commonly used as an adjective.

Furthermore, it is most commonly used as an adjective in the "subject nominative" in the predicate of the sentence. For example, after eating enough such that I'm no longer hungry, I might say, "I am satiated." Here, "satiated" functions as an adjective modifying "I."

Although it could, albeit less commonly, still be used as an adjective with a more direct modification, such as "The satiated collinsmark left the table after eating only two hot dogs."

It's even less common that it would be used as a verb, although you still could: "Let's make sure to satiate all our dinner guests by stuffing mashed potatoes down their throats before they have a chance to leave." That would be unusual, but grammatically acceptable.
You addressed 'Satiated', but you left the 'doch' out ;).
 
  • #8,374
It's pretty crazy to think that you could die literally any day. I guess most people assume they'll live for a decent amount of time before old-age or illness set in, but you could just as well get hit by a drunk-driver one day, or choke on an apple, or whatever. I guess people have deep-seated psychological predisposition to somehow doubting their own deaths... "oh, a freak accident? surely it'll never happen to me..."
 
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  • #8,375
ergospherical said:
It's pretty crazy to think that you could die literally any day. I guess most people assume they'll live for a decent amount of time before old-age or illness set in, but you could just as well get hit by a drunk-driver one day, or choke on an apple, or whatever. I guess people have deep-seated psychological predisposition to somehow doubting their own deaths... "oh, a freak accident? surely it'll never happen to me..."
I doubt I will ever ...argh...argh...
 
  • #8,376
WWGD said:
I doubt I will ever ...argh...argh...
Never mind, just a minor cough ;).
 
  • #8,377
It‘s not even December yet and I haven’t been able to find a coffee shop that hasn’t been playing Christmas music this morning… 🎄
 
  • #8,378
ergospherical said:
It‘s not even December yet and I haven’t been able to find a coffee shop that hasn’t been playing Christmas music this morning… 🎄
I know what you mean. And you can't do anything about it. And they always play ...

... and never ...

However, what you can do is change your assessment. Instead of being annoyed, I decided to feel remembered of the last time mankind was caught in an act of morality, caused by Christmas songs.
 
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  • #8,379
Random Pet Peeve of the Day
I hate when people (especially, relatives) come to your residence unannounced or "under-announced" (i.e., "Hey, I am in the neighborhood and dropping by in 10 minutes!"). ...

Ughhhhhhhhhhh, hell no! I need PREP TIME! I can't stand when people do this to me! Happens around holidays/birthdays a lot too. Not a party pooper, but HATE this experience. Sometimes I don't want to see that person and maybe there's a reason I haven't contacted them recently. ...Out of nowhere, they call to say they're "on the way." ...
 
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  • #8,380
The problems of popularity.
 
  • #8,381
BillTre said:
The problems of popularity.
It's strange, I'm not really that popular. Or maybe, I'm strange and not that popular. EDIT: I'm not that bad; I give people a pass, just like they do to me. Just when someone does it too often.
 
  • #8,382
WWGD said:
It's strange, I'm not really that popular. Or maybe, I'm strange and not that popular. EDIT: I'm not that bad; I give people a pass, just like they do to me. Just when someone does it too often.
I refer to egregious violators; I know we all do that to some extent, and don't want to be tiptoing around others. Just this lady recently at Sbux , who would see me using headphones while tapping at my PC and would start : Psst!, Psst!, across a few tables, doing that like 5x /hour, doing it each time I was there. Don't worry, I'm not that much of a hothead.
 
  • #8,383
A random bit of advice, frequently quoted in our family:
- If you can't find something, look again in the first place, only harder.
It's amazingly effective; presumably it works because you don't look very carefully when you're first trying to find something, and you only start getting more thorough when you're getting worried about not finding it.

[Edit: I see I previously posted this tip in the thread "Lost and Found" in 2014:
https://www.physicsforums.com/threads/lost-and-found.780338/post-4904750]
 
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  • #8,384
Jonathan Scott said:
look again in the first place, only harder.
Yes, it's amazing how junk can hide in the junk drawer.

Also, I misremember colours. I once looked all over for a red book. Turned out it was blue.
 
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  • #8,385
Keith_McClary said:
I once looked all over for a red book. Turned out it was blue.
Search image construction failure.
 
  • #8,386
Jonathan Scott said:
A random bit of advice, frequently quoted in our family:
- If you can't find something, look again in the first place, only harder.
It's amazingly effective; presumably it works because you don't look very carefully when you're first trying to find something, and you only start getting more thorough when you're getting worried about not finding it.

[Edit: I see I previously posted this tip in the thread "Lost and Found" in 2014:
https://www.physicsforums.com/threads/lost-and-found.780338/post-4904750]
Then why do I always find things in the last place I look?
 
  • #8,387
valenumr said:
Then why do I always find things in the last place I look?
Because it is automatically the last place if you found them.
 
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  • #8,388
Today I poured some leftover chicken tikka masala sauce over a couple of mince pies and served it with toast. I think I'm getting pretty good at this "life skills" thing. :oldbiggrin:
 
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  • #8,389
ergospherical said:
Today I poured some leftover chicken tikka masala sauce over a couple of mince pies and served it with toast. I think I'm getting pretty good at this "life skills" thing. :oldbiggrin:
I'm getting better at my "Microwaving" skills (Specially for skills that are microwavable) ;).
 
  • #8,390
fresh_42 said:
Because it is automatically the last place if you found them.
I prefer to keep looking anyway, just in case.
 
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  • #8,391
valenumr said:
I prefer to keep looking anyway, just in case.
I remember a similar exchange recently between 3 people A,B, C:

A ( to B) : Hey, they're setaling your car
B: I don't have a car
C: Then you better hurry and go there.
 
  • #8,392
They advertise a shower lotion with 97% biologically degradable. What the heck are the remaining 3% made of? Sand?
 
  • #8,393
fresh_42 said:
They advertise a shower lotion with 97% biologically degradable. What the heck are the remaining 3% made of? Sand?
It reminds me of : " We don't experiment on animals". What else is there? I guess they experiment on people.
 
  • #8,394
WWGD said:
It reminds me of : " We don't experiment on animals". What else is there? I guess they experiment on people.
Yes. I think similar if they say "With brand new formula!" or "Now better than ever!" What have they sold until then? Crap?
 
  • #8,395
fresh_42 said:
They advertise a shower lotion with 97% biologically degradable. What the heck are the remaining 3% made of? Sand?
Probably petroleum.
 
  • #8,396
WWGD said:
It reminds me of : " We don't experiment on animals". What else is there? I guess they experiment on people.
Experiments can be also done in vitro (meaning in glass, like cells in a petri plate).
It depends what you are testing for. For some purposes animals (or people) can be replaced, for some they can't.
 
  • #8,397
fresh_42 said:
They advertise a shower lotion with 97% biologically degradable. What the heck are the remaining 3% made of? Sand?
I saw one that was labeled "gluten free".
 
  • #8,398
valenumr said:
I saw one that was labeled "gluten free".
And I saw an apple juice labeled vegan. Besides the fact that I expect apples to be vegan, I also wondered how they guarantee that no worm will sneak in the process.
 
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  • #8,399
fresh_42 said:
They advertise a shower lotion with 97% biologically degradable. What the heck are the remaining 3% made of? Sand?
Sometimes I wonder how kitchen salt would becategorized. Is it degradable or not?
 
  • #8,400
I'm curious about yogurt spoiling. Isn't it essentially spoiled milk to start with?
 

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