Such potency makes the substance hard to detect by chemical analysis, which lacks the sensitivity of the nose.
Fortunately, then, evolution has equipped mammals with the ability to detect by smell chemicals whose concentrations vary with differences in the MHC of the producer.
Dealers sometimes try to make fake profiles harder to detect by randomly following some famous and some average people, or posting tweets grabbed from the Twitter stream.
Not only does the drone likely use advanced coatings and materials to make it difficult to detect by radar, but the drone also likely has the U.S.'s most-cutting-edge sensor technology, including sophisticated cameras and listening devices.
One example: The gene that makes the Epogen protein is expressed in only a few scattered tissues and is hard to detect by conventional gene-finding methods, which discover genes not by looking at DNA but by examining the RNA messengers that ferry genetic code between the DNA itself and the cellular machinery that make proteins.
In contrast with the authors of bestselling books like Freakonomics, who are fascinated by obscure but intriguing questions like how to detect cheating by sumo wrestlers, Roth relishes real-world challenges.
The cwc also provides for so-called challenge inspections of undeclared sites--but how can we direct challenge inspections if we cannot detect violations by other means?
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Airbus, in turn, claimed that about 70% of Boeing's allegations had been dismissed by the WTO, which also failed to detect any price undercutting by Airbus as a result of the subsidies.
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He could detect shallower water by colour, and see the light of invisible lagoons reflected in the undersides of clouds.
At Auburn University in Alabama, researchers are working on less intrusive ways for dogs to detect explosives carried by people.
Commercial trials are under way on Affectiva's skin-conductance sensors, wristwatch-size devices that detect emotional engagement by measuring tiny changes in sweat-gland activity.
They detect motion caused by enemy combatants and their bullets.
They are also a bit fed up with perusing Kenya's national accounts in order to detect hidden plans by the ruling elite to advance its own political cause.
Kingsman Ben Shaun of 1 Lancs sounded optimistic about the future, but if you read his words carefully you will detect concerns shared by other British soldiers regarding what will happen when they leave.
So I would encourage all of you, be the first to detect and address wrongdoing by the corporate fiduciaries to your fund.
Scientists figured that screens could detect an affected fetus by measuring the presence of elevated amounts of chromosome 21 sequences relative to other chromosomes.
The KDDI system, is able to detect more complex behaviour by using analytical software - held on a server back at base - to match patterns of common movements.
Interestingly, Mr. Beeman and his colleagues have found that certain factors make people much more likely to have an insight, better able to detect the answers generated by the aSTG.
Some Web outposts detect and disable the intruders by deploying countermeasures of their own.
Some Web outposts detect and disable the intruders by deploying countermeasures.
To enable the Railroad Retirement Board to terminate annuity if annuitant is deceased, to detect fraud in cashing checks by others, to appoint representative payees.
That is good enough to see shifts caused if a star's companion is another star, but it cannot detect the tiny wobbles caused by orbiting planets.
Because making any promotional statement regarding the off-label use of a drug constituted, at the very least, a criminal misdemeanor offense, pharmaceutical companies spent millions of dollars annually on compliance and training programs to deter and detect off-label promotion by sales representatives.
Call detail records are used by telecommunication firms to detect fraud in real time.
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The third-party system, Vobile, is used by video sites to detect unauthorized posts.
Though even the nearest star is too far away for a planet drifting across its disc to be seen, astronomers can detect the drop in starlight caused by the obstruction.
These have been used in laboratories (even by NASA) to detect trace chemicals, but they are now being applied to the food industry in the effort to monitor food at its most refined level.
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