Wireworm Control using Fodder Rape and Mustard – evaluating the use of brassica green manures for the control of wireworm (Agriotes spp.) in organic crops

In a field experiment at ADAS Pwllpeiran in 2001, brassica green manures were grown for 6 weeks and dug in before planting King Edward potatoes, to see if they suppressed wireworm in the crop. There was a trend for potatoes grown after mustard to suffer less damage from both wireworms and slugs than potatoes grown after fodder rape or no green manure, but the differences were not significant. Further trials, with longer green manuring periods, are needed to establish if there is a benefit, and whether the breakdown products of brassica green manures are toxic to wireworms

"Autism is me": an investigation of how autistic individuals make sense of autism and stigma

There are many different perspectives for understanding autism. These perspectives may each convey different levels of stigma for autistic individuals. This qualitative study aimed to understand how autistic individuals make sense of their own autism and experience the stigma attached to autism. The study used critical grounded theory tools. Participants (N = 20) discussed autism as central to their identity, and integral to who they are. While participants thought of autism as value neutral, they expressed how society confers negative meanings onto autism, and thus, them. The findings also indicate that different understandings of autism confer different levels of stigma. Participants expressed constant exposure to stigma and managed this stigma in different ways. Such methods included reframing to more positive understandings of autism, the reclamation of language, and using concealment and disclosure strategically. The implications of these findings are discussed further in the article

A network-based communication platform for a cognitive computer

Street is a reconfigurable parallel computer architecture. It executes a production language directly in hardware with the aim of realising advanced cognitive agents in a more energy efficient manner than conventional computers. Street requires frequent communication between many processing elements and to make this communication more energy efficient, a network-based communication platform, StreetNet, is proposed in this paper. It maps the processing elements onto a 2D mesh architecture optimized according to the data dependencies between them. A deadlock-free deterministic routing function is considered for this platform along with the concept of sleep period, analogous to human sleeping, to reorganize the placements of processing elements based on runtime traffic statistics. These mechanisms serve to reduce total network traffic and hence minimise energy consumption.Mostafa W. Numan, Jesse Frost, Braden J. Phillips, and Michael Liebel

"Autism is me": an investigation of how autistic individuals make sense of autism and stigma

There are many different perspectives for understanding autism. These perspectives may each convey different levels of stigma for autistic individuals. This qualitative study aimed to understand how autistic individuals make sense of their own autism and experience the stigma attached to autism. The study used critical grounded theory tools. Participants (N = 20) discussed autism as central to their identity, and integral to who they are. While participants thought of autism as value neutral, they expressed how society confers negative meanings onto autism, and thus, them. The findings also indicate that different understandings of autism confer different levels of stigma. Participants expressed constant exposure to stigma and managed this stigma in different ways. Such methods included reframing to more positive understandings of autism, the reclamation of language, and using concealment and disclosure strategically. The implications of these findings are discussed further in the article

Pattern formation on Ge by low energy ion beam erosion

Modification of nanoscale surface topography is inherent to low-energy ion beam erosion processes and is one of the most important fields of nanotechnology. In this report a comprehensive study of surface smoothing and self-organized pattern formation on Ge(100) by using different noble gases ion beam erosion is presented. The investigations focus on low ion energies ( 2000 eV) and include the entire range of ion incidence angles. It is found that for ions (Ne, Ar) with masses lower than the mass of the Ge target atoms, no pattern formation occurs and surface smoothing is observed for all angles of ion incidence. In contrast, for erosion with higher mass ions (Kr, Xe), ripple formation starts at incidence angles of about 65° depending on ion energy. At smaller incident angles surface smoothing occurs again. Investigations of the surface dynamics for specific ion incidence angles by changing the ion fluence over two orders of magnitude gives a clear evidence for coarsening and faceting of the surface pattern. Both observations indicate that gradient-dependent sputtering and reflection of primary ions play crucial role in the pattern evolution, just at the lowest accessible fluences. The results are discussed in relation to recently proposed redistributive or stress-induced models for pattern formation. In addition, it is argued that a large angular variation of the sputter yield and reflected primary ions can significantly contribute to pattern formation and evolution as nonlinear and non-local processes as supported by simulation of sputtering and ion reflection

Ripple coarsening on ion beam-eroded surfaces

Abstract: The temporal evolution of ripple pattern on Ge, Si, Al2O3, and SiO2 by low-energy ion beam erosion with Xe + ions is studied. The experiments focus on the ripple dynamics in a fluence range from 1.1 × 1017 cm-2 to 1.3 × 1019 cm-2 at ion incidence angles of 65° and 75° and ion energies of 600 and 1,200 eV. At low fluences a short-wavelength ripple structure emerges on the surface that is superimposed and later on dominated by long wavelength structures for increasing fluences. The coarsening of short wavelength ripples depends on the material system and angle of incidence. These observations are associated with the influence of reflected primary ions and gradient-dependent sputtering. The investigations reveal that coarsening of the pattern is a universal behavior for all investigated materials, just at the earliest accessible stage of surface evolution

Covid-19 and herbal practice: A United Kingdom practitioner survey

Objectives: To identify the effect of the Covid-19 pandemic on UK herbal medicine practice and how herbal medicine practitioners are supporting people with Covid-19. / Design: Mixed-methods e-survey. / Methods: The survey link was distributed through professional associations and social media. Quantitative data were descriptively summarised and qualitative data were analysed using content analysis. / Results: Results from 59 responses indicated a profound effect of the pandemic on herbal medicine practice, with a move to remote working and a reduction in client numbers. Practitioners reported prescribing a wide range of medicinal plants, chiefly Glycyrrhiza glabra L. and Echinacea spp. alongside providing information and advice. Few reported inter-professional collaboration. / Conclusions: Herbal practitioners need to build on current collaborations, research and experience to develop consistent approaches to support people with mild-moderate Covid-19 symptoms. More systematic exploration of herbal medicine practice during and as a consequence of the pandemic is needed

X-ray observations of AM Herculis from OSO-8

The white dwarf binary system AM Herculis (2A1815+500) was observed in X-rays at both low energies (E less 10 keV) and higher energies. The exact shape of the spectrum, particularly at the higher energies, has yet to be determined. Results from the high energy scintillation spectrometer on OSO-8 are presented. These are combined with results published elsewhere obtained concurrently with the proportional counter on the same satellite, thereby giving for the first time coincident observations of AM Her over the range 2 to 250 keV