Differences in body sizes may create a trade-off between foraging efficiency (foraging gains/costs) and access to resources.Such a trade-off provides a potential mechanism for ecologically similar species to coexist on one resource.We explored this hypothesis for tundra (Cygnus columbianus) and trumpeter swans (Cygnus buccinator), a federally prote
Out-of-sample prediction for the final portion of a sample Audio Tube is a popular tool for model selection in model-based forecasting.We suggest to add a simulation step to this exercise, where pseudo-samples are generated (parametrically bootstrapped), conditional on the observed data and on any of the candidate models, and these pseudo-samples a
This paper deals with a levelling machine for a seedling bed of a rice plant, which is a labor saving device in agricultural work.In order to make the seedling bed flat, the levelling machine vibrates by rotary motion of an eccentric rotor and presses the ground by the base plate of the machine.It is found that at a specific rotating speed, the mac
As a culmination of efforts over the last years, our knowledge of the embryonic origins of the mammalian frontal and parietal cranial bones is unambiguous.Progenitor cells that subsequently give rise to frontal bone are of neural crest origin, while parietal bone progenitors arise from paraxial mesoderm.Given the unique qualities of neural crest ce
Abstract Regulation of global transcription output is important for normal development and disease, but little is known about the mechanisms involved.DNA topoisomerase I (TOP1) is an enzyme well-known for its role in relieving DNA supercoils for enabling transcription.Here, we report a non-enzymatic function of TOP1 that downregulates RNA SexFlesh