Hazardous construction materials, commonly known as toxic building materials, contain natural or synthetic chemical substances that are harmful to humans or the environment. Though highly toxic, the chemicals can hardly be tasted or smelt but they are present in living spaces and get into human bodie...
First, it needs to be assessed whether the technical function of the most harmful substance (i.e. the role of the substance when used, e.g. corrosion inhibitor) is needed for the final product to deliver its service or for the product...
What is the most commonly abused chemical substance? What natural elements are poisonous? What is the most common chemical element on Earth? What chemical element is U? What is the most reactive nonmetallic chemical element? What is the most dangerous chemical reaction?
As hydrogen is environmentally clean it is an enormously attractive fuel. 'Hydrogen economy' is an emerging field in which it is thought that our energy needs can be met by gaseous, liquid and solid hydrogen. As hydrogen is no a naturally occuring substance such as coal, oil or natural gas...
be harmful because it's not a drug or medicine, it'sall natural. The "it" being radon gas, which is now known to be one of the most powerfully toxic substances in the world, so toxic that even barely measurable concentrations from natural sources are a problem in many people's houses...
Sweeteners are the food additives that provide sweetness to the food. Natural sweeteners and artificial sweeteners are two classifications of sweeteners. Natural sweeteners add to calorie intake and promote tooth decay and therefore, many people prefer artificial sweeteners....
toxic effects of tobacco are well understood by the shamans of South America and, as Wilbert says: 'masters take their apprentices after months or even years of progressive nicotine habituation to the very brink of death.' Shamans, whether they use psychoactive substances or not, seek 'near-...
”) or they’ll let you know the purity of the substance in question (“Has this ‘cocaine’ been cut with something else?”). Before purchasing, you need to be clear on whether or not you would like to test a substance for the presence of a particular drug or chemical (like THC) ...
is one of the most venomous of the so-called rear-fanged snakes, according to theUniversity of Michigan Museum of Zoology. Such snakes can fold their fangs back into their mouths when not in use. As in other deadly snakes, this one has hemotoxic venom that causes their victims to bleed ...
Israel, in bombing neighboring Gaza, is breathing in its own fallout, along with the vaporized remains of its declared enemies. The external consequences of violence becomes internalized. The substance of the oppressed communes with the oppressor. ...