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"must.....not......fart....."
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Feb 20, 2021 22:09
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Isn't that one of the really venomous ones? Some species of blue-ringed octopus?
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Feb 20, 2021 22:12
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It is for that guy
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Feb 20, 2021 22:45
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oh god it's even flashing the rings at him
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Feb 20, 2021 22:57
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clench
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Feb 20, 2021 23:00
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 what a cutie!i looked after one of these little guys at a university marine biology department for awhile, cool little critters (his name was George) NGDBSS posted:Isn't that one of the really venomous ones? Some species of blue-ringed octopus? yep - tetrodotoxin is kinda weird too, it's more typical of a poison (not produced by the animal using it, non-protein) rather than a venom but the octopus uses it as both. good example of nature repurposing things. also it's strange how widespread use of ttx is - everything from newts to pufferfish to crabs as well as blue ringed octopus make use of it
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Feb 20, 2021 23:09
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Stoner Sloth posted:yep - tetrodotoxin is kinda weird too, it's more typical of a poison (not produced by the animal using it, non-protein) rather than a venom but the octopus uses it as both. good example of nature repurposing things. also it's strange how widespread use of ttx is - everything from newts to pufferfish to crabs as well as blue ringed octopus make use of it While reading up on it because it sounded cool, it is not really that strange to have it present in that many types of water animals when it is apparently produced by muliple common bacteria found in marine and lake sediment. Especilly when several of the species can colonize/infect sea life and bacteria are so good at horizontal gene transfer.
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Feb 21, 2021 00:05
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The person holding the octopus is almost certainly dead, I think.
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Feb 21, 2021 00:22
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Zudgemud posted:While reading up on it because it sounded cool, it is not really that strange to have it present in that many types of water animals when it is apparently produced by muliple common bacteria found in marine and lake sediment. Especilly when several of the species can colonize/infect sea life and bacteria are so good at horizontal gene transfer. Oh it's pretty common for poisons, particularly marine ones - more unusual for it to be used as a venom though. Admittedly this may be more common than we currently know but still.
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Feb 21, 2021 00:43
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I want to assume that's not actually a real Blue-Ringed Octopus and just intricate glass made to look like one. EDIT: Never mind, it's from that viral TikTok video. Just more proof anyone behind a social media company deserves to go on the Time Machine Kill List. https://www.thrillist.com/news/nation/tourists-play-with-deadly-blue-ringed-octopus BIG HEADLINE has a new favorite as of 00:59 on Feb 21, 2021 |
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Feb 21, 2021 00:54
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Guuuuuuh, that video is making me physically ill.
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Feb 21, 2021 07:04
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The best execution method has gotta be this... https://youtu.be/lfsMMVgIToA
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Feb 21, 2021 23:50
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OwlFancier posted:Perhaps some sort of arrangement where you create a sort of nuclear gun barrel capable of containing and directing the blast in a specific direction, and then a sort of nuclear suppressor on the end to absorb and dissipate the energy. Object of your ire goes somewhere in between the two. Death by gamma knife. I like it. May give 1% of the population we've condemned to death superpowers. Still OK with it. That or run them through a cobalt chamber. Very Very dead. ponzicar posted:They don't want humane executions. They want something that is humane to the executioners, but still causes suffering in the condemned. And also not be so much of a spectacle that people are "convicted" just so there's something to watch on Execution Thursday every week.
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Feb 22, 2021 21:34
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The Lone Badger posted:Soda jerks? I thought that was pretty funny fwiw.
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Feb 23, 2021 00:16
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The Royal Institution hosted a lecture about the history of nerve agents. I haven’t watched it yet because it’s an hour long, but it should be right up this thread’s alley. https://www.youtube.com/watch?v=r7WunS8qCz0
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Feb 25, 2021 02:51
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Question about poisons and venom: is it actually possible to build an immunity to some of them?
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Feb 26, 2021 01:56
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It’s called mithridatism, it’s real, and overstated. It really only works if you’re talking about something that the immune system can respond to. So yes, there are people who are effectively immune to snake venom due to being bitten so many times, but you cannot give yourself immunity to iocaine powder in this fashion.
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Feb 26, 2021 02:15
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You can become resistant to a lot of things. A serious opiate or alcohol addict might take a daily recreational dose that would put a new user on the ground and possibly in the ground. I think it has sonething to do with receptors, so you can't for example become resistant to cyanide which has a much more direct physiological effect.
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Feb 26, 2021 02:24
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A handful of mammals evolved some tolerance to certain venoms. Either through a rigid immune response or the receptors venom goes after have less affinity for the venom. Sort of I guess. Poisons pretty much depend on what it is. The poison umbrella covers a wide range of chemistries/biologies. They could be larger biomolecules like botulism poop or tiny little guys like HF. Like as long as you use calcium to live you won't build a tolerance to HF.
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Feb 26, 2021 02:30
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Nebakenezzer posted:Question about poisons and venom: is it actually possible to build an immunity to some of them? The answer to that is "Yes, but only to an extent and only to some things." King Mithridates was paranoid as gently caress and basically took tiny doses of various poisons and slowly amped up the doses to render himself immune. This is where we get "mithridatism" from. That said, poison is in the dosage, and even if you render yourself 'immune' to something, that really only means that you're immune or more accurately resistant, to a conventionally lethal dose. It doesn't work on everything though. Dose yourself with lead over time, and you don't become immune to lead poisoning, you get lead poisoning. Hilariously, Mithridates tried to take poison so he wouldn't have the live with the shame of being captured when the enemy came kicking down his doors. Poison that he had rendered himself immune to. He ended up getting an aide to kill him with a sword.
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Feb 26, 2021 02:36
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Nebakenezzer posted:Question about poisons and venom: is it actually possible to build an immunity to some of them? for some things you get more sensitized over time, like poison ivy on the other hand if you work in a cashew factory for a couple years you can end up immune to poison ivy
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Feb 26, 2021 03:49
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Phanatic posted:you cannot give yourself immunity to iocaine powder in this fashion. We have documentary evidence to the contrary.
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Feb 26, 2021 03:51
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Tunicate posted:for some things you get more sensitized over time, like poison ivy This can go both ways. Sometimes, like can happen with other allergens, an initial exposure produces no symptoms but sensitizes you and further exposure can trigger a severe reaction. In my case, as a kid I was seriously allergic to the stuff, I swear I could get it if I walked downwind of a plant, and I was constantly being exposed to it. Then in high school I worked for the township cutting grass and trimming back brush, and I just...stopped getting it.
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Feb 26, 2021 03:58
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I'm surprised no one's posted it yet, but if you don't like snakes, do not watch this: https://www.youtube.com/watch?v=ucpGlWnq8EE And yes, to take the surprise out for those who've heard about/seen him before, it's Tim Friede. More details: https://www.outsideonline.com/2395803/snakebite-antivenom-tim-friede Eventually his experimentation WILL kill him. You can't take that many bites, especially of the hemotoxic and neurotoxic species, and not EVENTUALLY pay the reaper his due. BIG HEADLINE has a new favorite as of 05:24 on Feb 26, 2021 |
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Feb 26, 2021 05:17
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^^ fate is a hunter Ah, that makes sense. Thank you chemfriends The fact that ancient peoples were convinced it was a thing made me wonder.
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Feb 26, 2021 17:12
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Some things your body can develop proteins to prevent the toxins/poisons from doing their job as an immune response. But that still requires a frequent low dosage that doesn't end up killing you from it accumulating.
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Feb 26, 2021 19:56
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Zudgemud posted:While reading up on it because it sounded cool, it is not really that strange to have it present in that many types of water animals when it is apparently produced by muliple common bacteria found in marine and lake sediment. Especilly when several of the species can colonize/infect sea life and bacteria are so good at horizontal gene transfer. BIG HEADLINE posted:I'm surprised no one's posted it yet, but if you don't like snakes, do not watch this: https://www.youtube.com/watch?v=ucpGlWnq8EE GWBBQ has a new favorite as of 20:44 on Feb 26, 2021 |
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Feb 26, 2021 20:39
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Sagebrush posted:We have documentary evidence to the contrary. INCONCEIVABLE!
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Feb 26, 2021 22:23
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Rorac posted:Hilariously, Mithridates tried to take poison so he wouldn't have the live with the shame of being captured when the enemy came kicking down his doors. Poison that he had rendered himself immune to. He ended up getting an aide to kill him with a sword. He died old, though.
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Feb 26, 2021 22:24
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Dunno if y'all follow this guy on youtube, but this seems like a particularly appropriate video of his. Usually Kyle Hill's pretty goofy, but almost all of his nuclear related videos are in tone very serious. https://www.youtube.com/watch?v=yOdRh5HP650
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Feb 26, 2021 22:28
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Zopotantor posted:He died old, though. PYF dangerous chemistry: the cow, the old cow, she is dead
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Feb 27, 2021 02:54
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Platystemon posted:The Royal Institution hosted a lecture about the history of nerve agents. Just finished watching this, it is good
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Feb 28, 2021 18:48
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Ibblebibble posted:
MazeOfTzeentch posted:That's a username and post combo if I ever saw one Ibblebibble posted:FWIW that was a photoshop by someone in the old just-closed thread, and I didn't notice until it was pointed out I hope this is a lesson to all of you that there is exactly zero difference between fake things and real things. https://forums.somethingawful.com/showthread.php?threadid=3766830&userid=178556&perpage=40&pagenumber=10#post512507453
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Mar 5, 2021 05:56
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The namechange was post-hoc but yes.
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Mar 5, 2021 06:20
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If you're swishing mercury around your mouth to let your palate get enough of a "taste" of it, some of its getting into the spaces between your gum and your teeth and thus, into your bloodstream. What an idiot. I think even back in the day when they had people swallow mercury as a laxative they were smart enough to write something to the effect of "just swallow this poo poo quickly, don't get cute and swish it around your mouth" on the directions.
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Mar 5, 2021 06:35
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The mercury you were drinking may have already been through your (or somebody else's) digestive system before. Getting a taste of it is probably not what people wanted to do.
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Mar 5, 2021 06:38
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BIG HEADLINE posted:If you're swishing mercury around your mouth to let your palate get enough of a "taste" of it, some of its getting into the spaces between your gum and your teeth and thus, into your bloodstream. What an idiot. Mercury is about the most insoluble substance in bodily fluids that exists. Almost none is going to dissolve directly into your blood or anything else. The greatest danger of swishing it around is that microglobules of it will get caught between your teeth, where it will slowly evaporate and you will inhale the mercury vapor, thus getting into your body through your lungs. Then it will be running around as a free monotomic atom, where it can be accidentally derivititized into rather toxic organomercury compounds, which will then bioaccumulate in your fat tissues. The vast majority of it will be pooped out as liquid metal. One exposure will take months to be absorbed. It would take numerous such exposures to amount to a medically noticeable dose. Once stopped, the mercurly would slowly clear the body over the course of several years.
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Mar 5, 2021 06:51
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MSG but the m is mercury
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Mar 5, 2021 06:53
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Deteriorata posted:Mercury is about the most insoluble substance in bodily fluids that exists. Almost none is going to dissolve directly into your blood or anything else. Yeah this is what I'd always heard, if it wasn't inhaled then you can technically drink it "safely" (though you should, of course, never attempt to for the reasons you posted).
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Mar 5, 2021 06:58
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Dimethyl-mercury is the really spicy stuff.
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Mar 5, 2021 07:01
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