This substance (an iron-magnesium silicate whose greenish colour is reminiscent of olives) weathers rapidly in the presence of water.
This substance is used in making glass, bricks, chemicals and cleaning products.
There's no question that a small fraction of one percent of Americans react adversely to this substance, and to a handful of them, peanuts are fatal.
This substance carries signals between certain sorts of nerve cells.
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The electron would have no mass if it were not for this "substance, " the field made of Higgs particles.
The blogger or site owner that has fallen prey to this virtual substance abuse is almost immediately at its mercy.
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"Within one bay of the coastline there's between five and five-and-a-half tonnes of this oily substance, " said Holyhead Coastguard David North .
This invisible substance apparently makes up five-sixths of the universe's matter, and its gravitational attraction is what's thought to hold galaxies together.
This could give substance to the alliance's repeated declaration that the independence and security of these countries is a matter of direct and material concern to us.
This was the substance of an open letter sent by industry leaders to George Osborne, the chancellor of the exchequer, ahead of his speech to the Conservative Party on October 8th.
Having said this, were not sure our opinion even matters, because we suspect the chances of anything of substance resulting from this, the next budget debate is pretty close to zero.
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But this time, the substance in question is not meant to dull and numb.
The substance is this: you withdraw from those who need you to do something more important.
How does this go to the substance of the matter, which is the recess appointment itself?
For me, this is mostly about substance, not style.
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Well everyone, I have to say I really didn't find the substance of this debate to be very much different from the first one in Miami, even though they were talking about nominally different issues.
"Although maybe it's not particularly pretty there's a great deal of substance - this is a group of people who trust each other now and we go forward into the Six Nations with a lot to build on, " said Johnson.
The Emory researchers think this same sleep-inducing substance in spinal fluid may play a role in other conditions that involve excessive drowsiness.
What's more, they believe many voters may be making their choice for president this election based not on substance but on style.
But Bush's silence on the specifics of this charge suggest it may have substance.
This makes no sense when the substance of math, reading and science literacy is about the same throughout the country.
Senator Dodd -- what does that mean for the chances of getting fin reg passed this year, both on a substance level and on a political level?
The message will be that this is a government of real substance, taking tough decisions but driving through changes to welfare and education which are needed for the long-term.
Yet something of substance does creep through this concoction.
The Bush Treasury calls this an overreaction and says economic substance should be left to the courts. (Kerry favors putting economic substance in the code.) A Heinz win could weaken the case for relying on the courts.
The symbolism will matter as much as the substance of the budget proposed this week.
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