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A toxin. Poison is defined by http://dictionary.reference.com/browse/poison as: a substance with an inherent property that tends to destroy life or impair health.

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What is the name of this spider and is it poisonous?

We found it between Palm trees in the backyard of a home in West Palm Beach Florida.
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Will imazapyr kill the roots of a plant if only the stem is exposed?

I know that if imazapyr ((RS)-2-(4-Methyl-5-oxo-4-propan-2-yl-1H-imidazol-2-yl)pyridine-3-carboxylic acid) is sprayed on the ground, roots of a plant can absorb it. However, if imazapyr is only ...
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How is a very small quantity of poison able to kill a large organism?

Take cyanide for example: it prevents mitochondria from producing energy in form of ATP but, in the process, it binds with it and hence it's spent. It's theorized that half a gram of cyanide can ...
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What natural defence mechanism does the human body have against lead poisoning?

It is known that lead ion takes place of necessary ions, like calcium, in the body, but does not perform their task, hence wrecking the system. So how does the body eventually recognise this threat ...
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Usage and mechanism of the Bastien protocol to treat amanitin poisoning

In 1971, 1974 and 1984 a French doctor Pierre Bastien (frwiki) voluntarily poisoned himself by ingestion of Amanita phalloides mushrooms in order to popularise his method of treatment of such ...
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Why do nerve gas victims have chronic neurological issues?

The article on Wikipedia says the following: The effects of nerve agents are long lasting and increase with continued exposure. Survivors of nerve agent poisoning almost invariably suffer chronic ...
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Animal with potent venom that only bites/stings when threatened

I am writing a fiction book but based on our reality, and I'd like to know if there is any animal that you know of that has a very potent venom but only uses it when under serious threat or, f.e., ...
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Dangerous fruits some people are immune to?

Are there known fruits/vegetables that are poisonous (or dangerous in some other way) that aborigines can eat (they're immune to their harmful effects) but foreigners can not? What I'm asking about is ...
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Are any arthropods poisonous to the touch?

I'm particularly interested in whether any insects are poisonous to the touch. Note that toxic-bristled caterpillars are actually venomous, since in all species I'm familiar with, the bristles ...
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How does natural selection explain how organisms that are poisonous evolved? [duplicate]

Natural selection makes perfect sense when describing the evolution of say camouflage. For example 2 bugs of the same species live on a tree. One is mutated to look slightly more like a tree, so the ...
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Is fructose really a poison like alcohol? [closed]

I came across this video claiming that fructose is like a poison with detailed explanation on how it is metabolized. With a search on internet I found an article which challenges the claim and sounds ...
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what is the poison in chinaberry?

I was trying to look up what the poison in Chinaberry is, however, with the exception of a couple related compounds was able to find no information on the poison. What chemical makes up the Chinaberry ...
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Why won't this spray kill this bug (household insecticide); could it be so selective?

I have a can of bug spray. The label is in another language which I can not even type in order to do an online translation, but the ingredients are in romanized writing: ...
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Is death by cyanide the same as suffocation?

I started the night off by reading about "what does drinking the Kool-aid mean" this lead to a wikipedia article which described the horrors of the Jonestown cult mass suicide/murder in the 1970s. ...
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Can insects metabolize poisons?

I am new to this community, and I was wondering if insects could metabolize poisons. I'm not sure if I use the correct concepts, I simply wonder if insects can get rid of non-lethal doses of ...
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What is the point of toxins without remarkable coloring?

As far as I know, some toxic species (eg: some mushrooms) have no remarkable coloring. Therefore, what is the purpose of their toxins? Toxic species often have colorful appearances to warn predators. ...
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What spider is this?

I found this spider in my flat in Berlin, Germany. It looks like a Cheiracanthium, but which species? Mildei? Or is it a different spider? The body is approx. 8-9mm long and it lost 4 legs when I ...
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146 views

What is this spider [closed]

What is this spider? Is it poisonous?
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Rifle Bullets and Lead Exposure [closed]

Does anyone know if simply touching bullets could give you lead poisoning?
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I see various exposure limits for carbon monoxide, but what about one breath?

I see exposure limits for carbon monoxide like 50 ppm over 8 hours. This would correspond to a total inspired volume of carbon monoxide on the order of a few hundred milliliters. This exposure is ...
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Does copper exacerbate wounds?

There is a three edged stiletto (weapon, not shoe) with a triangular cross-section that is often touted as being "extra dangerous" because of the triangular puncture it makes, and its copper ...
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Is poison venomous and is venom poisonous?

I know the difference between poison and venom AND poisonous and venomous. But I just want to know if an ingested venom would do harm to humans and if an injected poison would do harm to humans. I ...
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Is the swimming pool water harmful to frogs who jump in? If so, how?

Here is an odd question: Frogs have permeable skin. Indeed, via capillary action, frogs absorb water through their skin. Chlorine is in principle a harmful substance. I am sure what percentage of ...
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How does botulinum toxin enter the blood stream from the digestive tract?

To my understanding, large polypeptides such as botulinum toxin cannot pass the intestinal lining intact. How, then, can it enter the bloodstream and cause botulism poisoning?
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Why are bacteria immune to snake poisons?

In a test I was asked why bacteria are insensitive to snake toxins. Is it their membrane that provides a barrier to the toxins? Or do snake poisons have specific targets and thus cannot bind to ...
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What will happen if a scorpion pierces itself?

If a scorpion pierces itself, will it die or immune to its poison? If it produces the venom its blood should be immune to itself poison.