Here's the kicker: There are also misleading signs that lead to a dead end.
That's because any more strolls down tobacco road are likely to lead to a dead end.
That was a dead end, but Schering was desperately seeking a thrombin receptor drug.
Minitel inevitably proved a dead end, and France remains a laggard in the global internet race.
Prof Zambon said there were "fairly strong steers" that it would be a dead end.
The two men first tried to follow the money, but that led to a dead end.
"The Leno model is honestly a dead end, " says Douglas Creutz, an analyst at Cowen and Co.
His chemist colleagues saw Alzheimer's research as a dead end, but Lansbury switched his lab's focus to plaques.
His chemist colleagues viewed Alzheimer's research as a dead end, but Lansbury switched his lab's focus to plaques.
Though it may sometimes feel like it, having credit card debt to mend is not a dead end.
But the practical question is whether the investigation can continue - or will it only hit a dead end?
Some might hit a dead end with a lack of cooperation or evidence.
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Blackholing is a tactic which involves sending internet traffic into a dead end - rather than its intended destination.
His last movements captured on CCTV showed him staggering down a dead end lane leading to wasteland and the river.
"When people find out that Maduro is not Chavez, it will be a dead end for him, " added Mr Magdaleno.
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They can choose a path that brings them back into the community of nations, or they can continue down a dead end.
For years, U. S. oil exploration has been considered a dead end.
P. for Corporate Strategy David Johnson, has just left Dell this month to join Blackstone signaling a dead end for that pursuit.
If you reach a dead end, or do not have the time or inclination to keep looking yourself, there are companies like Ancestral Footsteps.
One of the early indications that the one-way street is heading for a dead end is the ratio of declarative statements to questions.
Having a coach who only cares about themselves and cashing your check at the end of the week is a dead end road.
If IGF-1 fails, it wouldn't be the first time a rush to develop copycat cancer drugs has led drug firms into a dead end.
He was at a dead end in his life, and this program -- along with his wife -- (laughter) -- gave him an opportunity.
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The others are the EU Three, Britain, France, and Germany, which had negotiations with Iran until those talks, as they admitted, reached a dead end.
Perhaps you should give the kid graduating from Yale some credit for being smart enough to recognize a dead end job when he sees one?
It wasn't mathematical backwardness that led geographers away from this approach but the conviction that to rely too heavily on maths was a dead end.
The idea of folk games is a dead end, rhetorically: people have knocked balls against walls for many years, but it is possible to have Breakout clones.
The common wisdom is that printing is a dead end.
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