There's a rush that comes from helping someone solve a tricky problem, being recognized by people for the research you put into a question before asking it, or testing your hardware diagnosis mettle against others.
It substituted technocratic gradualism for hard-headed politics and so failed to respond to the needs of individual countries and regions.But the trickiest problem is Russia.
A trickier problem is that old DNA, especially in samples preserved with alcohol or other fixatives, tends to become chemically derivatized, changing both the backbone structure and apparent base sequence.
But politically tricky problems are ten-a-penny.
One of the trickiest problems is making sure these interventions are based on evidence.
And if you're the judge's refined niece, whose stock in trade is elegant reversal, then taking your unhappy marriage to a psychoanalyst is going to be tricky; your problem is not that you're having hallucinations, it's that you're having facts).
Figuring out which shoes best suit your running style can be a tricky problem, which is why some dedicated running stores offer an in-house gait analysis service where staff watch you run on a treadmill and suggest shoes that might be suitable.
Explaining the problem is tricky.
Its Arctic location makes it technologically tricky, but the main problem is marketing the gas.
Agreeing on how to combat the problem is tricky, given that experts continue to bicker on what, precisely, makes us fat.
