On 17 April 1986, semtex explosives were found in the bag of a pregnant Irishwoman attempting to board an El Al flight.

Salt is a useful substance.

Unrepaired single strand breaks are not very toxic to cells.

This is very strong stuff.

Salicylic acid is an organic compound.

Matter is made of atoms.

What is the active ingredient in aspirin?

This matter conducts electricity well.

As a result of the explosions and subsequent fires, nuclear contamination was spread over a large part of Japan's northeast.

This substance is in liquid state.

This substance is in gaseous state.

This substance is in solid state.

That is why it is a controlled substance.

And so this starting material is back to the basic building block.

This substance is not poisonous in itself.

Matter changes its form according to temperature.

Matter can exist as a solid, liquid, or gas.

Flies have a keen sense of smell for decaying matter.

ref There is no evidence that copper even can be absorbed through the skin.

When matter is changed chemically, chemical energy is given off.

This substance is undergoing a transition from a gaseous to a liquid state.

The blue black compound CsScCl3 is one of the simplest.

Dimethyl sulfoxide (DMSO) is an organosulfur compound with the formula (CH3)2SO.

We can see matter. But we can't see what's the matter.

To the best of my knowledge, this chemical will prevent germs from breeding.

Everyone reluctantly dipped a spoon into the viscous brown goo.

To the best of my knowledge, this chemical will prevent germs from breeding.

The recent Italian election has shown how toxic the association of austerity policies with the pursuit of reform has become. Anti austerity anger swept away the reform agenda of Mario Monti s previous technocratic government, leaving Italy, its future uncertain, to continue muddling through.

The recent Italian election has shown how toxic the association of austerity policies with the pursuit of reform has become.

Now, coumarin is a very common thing, a material, in fragrance which is derived from a bean that comes from South America.

Chromatin is a complex of macromolecules found in cells, consisting of DNA, protein and RNA.

However, there are also other modes, i.e., paracrine, autocrine, and neuroendocrine signaling.

As these agents are also toxic to host cells, they can cause extensive damage to healthy cells and tissues.

And I'll suggest that this coal is about as exciting as this chalk.

A transmitter like substance, with such powerful effects, must affect those circuits.

In fact, asbestos describes not one substance but a group of six minerals.

The oxygen compounds are toxic to both the invader and the cell itself, so they are kept in compartments inside the cell.

What actually causes a substance to smell unpleasant may be different from what one perceives.

For an agent that affects a variety of transmitter systems, is as though it were a transmitter itself.

The ground holds peat dense organic matter in the process of becoming coal.

A basic principle of toxicology is that the dose makes the poison.

Any chemical that can disrupt chemistry at this stage can be very damaging, she says.

One of them is matter, because the growth of knowledge is a form of information processing. Information processing is computation, computation requires a computer there's no known way of making a computer without matter.

BL The white material is a type of bacteria that thrives at 180 degrees C.

Only 60 years later, the French scientist Eugène Melchior Péligot identified it with uranium oxide.