The top quark is the heaviest known elementary particle, so there was reason for some excitement.

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One reason for the excitement about Exanta is that one dosage level seems to work equally well for most people.

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One reason for the excitement: the expected initial public offering of Time Warner Cable from AOL Time Warner (nyse: AOL - news - people ).

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The crucial point, and the reason for the excitement, is that both ATLAS and CMS (which are located in different parts of the ring-shaped accelerator tunnel of the LHC) have come up with the same results.

ECONOMIST: The Higgs boson

The reason for the excitement is that, although the existence of ice on Mars has been known since 1666, when the planet's polar caps were first seen, the low temperatures and air pressure there mean that water, even if heavily salted, is likely either to freeze or to evaporate.

ECONOMIST: Water on Mars

The real reason for these made-over machines, of course, is that Gateway (nyse: GTW - news - people ) is hoping to revive its sagging sales and generate some consumer excitement--the same reason for those TV advertisements featuring the talking cow.

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For him, the reason is that stories are written, not found, and once the news fades, initial excitement dies down.

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