This development is puzzling due to the EU's scepticism to international emissions trading in greenhouse gases (GHGs) in the run-up to the 1997 Kyoto Protocol.
This observation is puzzling due to the essentiality of isoprenoid compounds in all organisms.
So far results of RCTs comparing HFRT and CFRT have been puzzling due to a different number of factors (different doses, radiation techniques, and contouring policies).
It avoided the severe slump that afflicted much of the European periphery, then had a fairly strong recovery: As you can see, growth has faltered more recently, largely due to fiscal austerity plus the puzzling decision to emulate the ECB and raise interest rates in 2011.
This debate has recently experienced a puzzling turn due to the contradictory results presented for plant genomes.
The location of the NL-binding site in the membrane-proximal LNS6 domain of α-Nrx had been a puzzling problem due to the fact that the large (∼1,100 residues) membrane-distal segment must be accommodated in the narrow space of the synaptic cleft (∼20 nm).
However, the role of the TGFβ ligand in cancer progression has been somewhat puzzling and paradoxical due to its multiple, often opposing, effects on cell growth.
Thus, the balance between the advantages and risks of nanosilver employment as a water disinfecting agent is puzzling, in part due to the scarcity of validated alternative models for testing its behavior in the aquatic environment and the effects of chronic exposures.
This is puzzling, but may be due to foraging animals selectively disturbing decomposing fruit (where seeds often already had started germinating, pers. obs)., and not single seeds.
This puzzling finding may be due to unknown or known unhealthy constituents of fatty fish.
