Turbulence – what’s the trend?

I would like to hear people giving their vision of the future of the research on turbulence. Appartently it is an exteremely long way to go. Is it so? Experiments become better and better, DNS is well resolved (at least their grid is increasing exponentially) and LES/RANS/Modelling field still attracts funding. But what about the progress? What do we understand better than before?
Thanks for any input,
Alex Liberzon @ IHW, BAUG, ETHZ; CH



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