How do people learn to cook a poisonous plant safely? (2019)
bbc.com
bbc.com
For example, consider pottery, and the invention of glazes. It's generally thought that the invention of the ore -> metal process involved potters experimenting with different glazes and finding lumps of metal after the firing process was complete.
With toxic plants, well, most peoples kept domesticated animals and would probably use them to test the toxicity of potential food sources. Feed it to the chickens, pigs, llamas, etc. and see what happens. Soak the potential food source in water, see what happens. Try adding other substances, like charcoal or clay, and see what happens.
Why don't people recognize this? Simple - infantilization of native peoples as a justification for the ravages of European colonialism.
I mean, how would someone come up with the idea of mixing non-food with ash? There's probably some utility in this step (e.g., making color?) and only later it turned out to yield edible matter.
As far as why the architects of European colonialism wanted to deny that native peoples had such capabilites, well:
> "In a secularizing world, infantilization quickly became a moral posture and a theological necessity. It allowed the main actors in slavery and colonialism to make peace with their own consciences, and the intelligentsia and the Church to produce a powerful mix of justifications for the new world order. It allowed glib talk of the historical necessity to care for the retrogressive, irrational, ignorant savages and the Christian responsibility to guide them towards a better future."
An example of poor objectivity is corporate media not disclosing that they don't report potentially damaging information about companies because they share parent companies, the owning and operating families are closely tied with the outlets, or they share members across boards.
Another example would be showing that they're perfectly capable of critical reporting of a presidency but not applying that neutrality to all presidencies.
This whole spiel is a just-so story. I've learned not to expect much from communists in terms of argumentation, but this is really embarrassingly bad
>Nobody is born knowing what tools to use or how to use them, but Excel is one of the first pieces of software that deal with data for a lot of people, and as such one of the first things they turn to when faced with a new problem.
>I’ve done some travel to Africa and am amazed at the ingenuity/batshit workflows that exist to get work done and live life.
>I'm continually shocked at how technically incompetent academics can be. Otherwise brilliant people with the most batshit technical workflows I've ever seen.
>People are very inventive to get their job done.
These crazy uses for manipulating something that isn't really understood by its users (Excel) happened only in one generation. In only that short amount of time, many people came up with a lot of ideas the original designers didn't even dream of. Why do you say that over a timeline of thousands of years, people couldn't come up with some ideas that you would never think of? I have no idea why somebody would think that mixing non-food with ash would yield something edible, but I'm not surprised that somebody came up with the idea at some point. Other people always seem have a knack for coming up with stuff you never could've imagined.
You aren't necessarily sacrificing the animals, you are putting them at risk with the hope that they will be okay. Discovering more food sources was absolutely critical for subsistence living. The more potential sources for food the more able you were to stave off starvation (or stockpile extra food for hard times or trading).
>I mean, how would someone come up with the idea of mixing non-food with ash?
There are a variety of ways, even if it wasn't done spontaneously. Maybe the bucket of ash next to the fireplace spilled on some food. Rather than throwing the food away, why not try feeding it to the pig and see if its palatable? Maybe there was a forest fire that left a layer of ash over all the food, and there was no choice but to try to eat some. Over the course of time and the multitudes of people incidents like this were inevitable.
Cassava will paralyze your legs, not kill you. A paralyzed person or animal can still continue experimenting until the food is safe.
>I mean, how would someone come up with the idea of mixing non-food with ash?
By dropping their food on ash or by using an earth oven...
Similar aspects of cultures can be seen across the world. Like with variolation techniques in China
Genuine question, would you rather I danced around it somehow or figured out a phrasing that left that detail out? Part of the point of that detail was to show how commonplace this type of thing is by talking about just the group of people's who's land I happen to be on and not some exotic far away group.
Also I don't see how either of those two questions are relevant. If I point out that the native biome here is a chaparral am I necessarily implying that I feel guilt that it's been paved over or showing off that I live in the society that paved it over?
> Why don't people recognize this? Simple - infantilization of native peoples as a justification for the ravages of European colonialism.
To be fair most people have only a Hollywood idea of history. In fact, painting this as an European mindset ignores the fact that most cultures in history have engaged in brutal expansionist warfare when given the opportunity.
Ultimately I think this point sort of trips on its own shoelaces. The same infantilization of native peoples prevents you from seeing that if the west wasn't doing this, someone else would have come and done the same at the first opportunity.
It's easy to cry western colonization and then brush over the Umayyad caliphate colonizing the Iberian peninsula and a hefty chunk of Northern Africa, and a number of other similar historical events across the world.
Singling out European colonialism as worse than the millennia of ceaseless warfare it displaced has a quiet assumption that western europe isn't just another civilization, that it is somehow to be held to a superior moral standard to the βάρβαροι; the reason it's especially bad is because Europe is the hero in the story. That is a colonialist mindset indeed.
But it doesn't explain cassava, or some other foods (lots of mushrooms for example and some nuts) where you have to take n steps, during all of which it's still poisonous and that are completely non-obvious and after that there is a distinct change in the "is poisonous" property.
It especially doesn't explain the "if improperly prepared, will maim you over a long period of time" types of things (cassava!)
Of course there really isn't another option - someone somehow figured it out after all - but the search space is so large it feels like there should be something more to it.
I.e Food A is toxic and we don't know how to treat it. Food B is toxic and we know it takes n-1 steps to make safe. Someone comes along and applies n-1 steps to Food A and its still toxic. Someone else comes along and applies n-1 and then an nth step and there's progress.
But yeah, the article does not come near to examining the way cultures discover things nor in general nor in the case of the cassava.
The article even says that the natives had no idea why they were getting sick! How did they connect the "can't use legs" to the cassava they ate?
Again, I realize that it must have been the way you describe, but it's still amazing.
> How did they connect the "can't use legs" to the cassava they ate?
Keep in mind these people are in Africa cassava is native in South America. I am pretty sure people in south America will tell you that cassava is toxic if you don't do all the steps and not just "it's our culture".
The it's our culture response might be the case in places where it was introduced and people were told you have to do x,y,z to eat it.
The people getting sick are in eastern Africa, while cassava is native to South America. Stands to reason that the methods of cassava preparation weren't as ingrained to the people who were getting sick.
This was a society that had time and numbers to develop deep sophistication. Did they use our scientific method? Obviously not. But that does not mean they could not have come up with their own, perhaps more-or-less equally effective and reliable system. (Ours is far from perfect; the best that can be said is that it often works.) Theirs certainly established facts ours cannot, and vice versa.
Use of curare embodies a similar mystery, and ayahuasca. Certainly hundreds or thousands more secrets are forever lost. We will never know a hint of what almost all held. It is a loss easily rivalling the fabled Library of Alexandria.
Sure it does.
All you need is for the toxic foodstuff to be sufficiently non-toxic for some amount of time while it prevents you from dying because you don't have better food.
Someone starving may know something isn't good but not have an alternative. Some people perform the standard steps up to step "n". A few people perform an extra step because they know the food is bad for you anyhow--this is step "n+1". If more of the "n+1" people survive, the standard becomes "n+1".
Go through a dozen of such crises and you can get a lot of steps built up one at a time.
Pre-history humans would live close to their dogs. There likely wasn't a conscious "I'll give this to Fido, and if they're good in a bit, I'll eat the rest". Instead, a dog grabbed some scraps here or there, before or after the meal. If still hungry, the dog might wander around looking for more scraps and munch on what they find.
Eventually, the food you know you can eat runs out during a hard winter or other crisis, but you see Fido munching on some things like he always does. Maybe you'll munch on those things too. Congratulations, you've acquired enough calories to make it to the next genetic lottery!
Assuming the crisis is bad enough for you to experiment but not so bad for you to eat Fido, Fido survives until the next genetic lottery too! And so we have yet another co-evolutionary moment folded into our genomes.
Royalty and rich people got food tasters, but only a dumb rat bastard would treat a dog like that. Plus, dogs have shorter intestines and more potent stomach acid, rendering safe many food sources humans cannot eat without getting sick. After seeing a dog chow down on a rotten carcass, you're not going to think of them for testing the edibility or safety of things.
That's not to say dogs haven't died like that through history, but it's not a thing people would do deliberately. Food used to be hugely more scarce than it is now, and a large majority of humanity got by with very little. To use a dog for testing new food would have been foolish or cruel.
Dog breeds specifically tailored for pets have been around for centuries. Go to an art gallery… you’ll find countless portraits of people from centuries past with their ‘lap dogs’, pet squirrels, pet cats, etc.
People from the region are absolutely loathe to skip any steps in the traditional preparations, even though it has been shown that the same result can be achieved with a few hours in a pressure cooker.
Is there the cost of making a mistake very high?
The cultural memory of, “It’s death to take shortcuts” saves lives compared to a less complete message. Or one that is more complete, but is longer and harder to understand.
Think of social media; or your average product manager.
The whys and hows are best left to science; but science is a fragile institution with membership requirements.
Whereas the culture will live on long after.
If you eat it raw you might die and will be very sick.
If you roast or boil it you still might die and still be very sick.
No, intrepid reader, you have to boil it at least twice to remove the toxins. And I'm curious to find out who was curious enough to keep going after boiling the first time and failing.
For instance, Monk's hood is extremely [poisonous], Datura is mildly [poisonous], and Rose thorns are deceptively [poisonous].
With Rose thorns, the process is relatively straightforward. [Boil] the thorns and let the water cool and set. The [poison] settles on the top. Pour out the top until the residue becomes nutritiously [clear].
Also poison usually has a taste. Obviously this varies widely by the specific phytochemistry, but anyone who's foraged enough can tell you that you can always tell when you've misidentified a plant or a plant has tasted "off". It's really unsurprising then that people are able to experiment in this way
Lastly, I also wanted to point out that many of the compounds that make something poisonous can also give it medicinal uses. Like how chimpanzees will chew Vernonia amygdalina leaves to treat parasitic infections
TL;DR: dosage, yo
There is no known safe dose.
I have no way to properly apprehend any of this.
Aye.
> I have no way to properly apprehend any of this.
Sure you do! You're a living being too, eh? :) You've got all the hardware, you just need to learn the protocols. It's not that hard to learn, the hardest part is "letting your hair down" so to speak.
Check out the recent scientific advances from Michael Levin's lab's work, e.g. "What Bodies Think About: Bioelectric Computation Outside the Nervous System" - NeurIPS 2018 https://www.youtube.com/watch?v=RjD1aLm4Thg https://news.ycombinator.com/item?id=18700328 https://news.ycombinator.com/item?id=18736698
In a nutshell, whatever "thought" is, the biomolecular machinery that supports it is common to all cells (not just neurons.) In other words, all cellular life "thinks".
Combine that insight with the "Law Of Regulatory Models" from Cybernetics, to wit: "every good regulator of a system must be (contain) a model of that system." and it seems to me that we have a solid basis to talk about "nature spirits", eh?
Somebody who did do the work was Monica Gagliano, and wrote it up in "Thus Spoke the Plant".
https://bookshop.org/books/thus-spoke-the-plant-a-remarkable...
That seems like a fascinating book.
Romeo wasn't overreacting.