Applied Diamond (United States)

Autism spectrum disorder (ASD) is a complex neurodevelopmental condition characterized by differences in communication, behavior, and cognition, with significant social and familial implications. Understanding how familial background contributes to autism-related behavioral traits remains an essential research goal. This study utilizes a publicly available dataset from Kaggle, comprising more than 700 respondents, to examine the relationship between family history of autism and ten standardized screening items (A1–A10). Two complementary statistical frameworks were employed: individual binary logistic regression models, which estimate the item-level association between family history and each screening response, and a joint Generalized Estimating Equation (GEE) model, which accounts for within-subject correlation among multiple items. Results from the logistic regressions reveal significant positive associations for six items (A1, A3, A4, A5, A6, A9, and A10), with odds ratios for these significant items ranging from approximately 1.7 to 3.5, clarifying that non-significant items (e.g., A2 = 1.56, A8 = 1.25) are not included in this range. The joint GEE analysis further confirms an overall odds ratio of 1.86 (p < 0.001), indicating that participants with a family history of autism are nearly twice as likely to respond positively to ASD-consistent screening indicators. Together, these findings provide statistical evidence for a familial component in autism-related behavioral expression and demonstrate the value of integrating individual and joint modeling techniques in autism data analysis.

The dispersal of reproductive material plays a key role in the ecology of plants. Dung mosses (Splachnaceae), have evolved to utilise insects to disperse spores to habitat sites consisting of dung or dead animals—a marked departure from the wind based spore dispersal seen in other mosses. However, adapting to insect dispersal likely precludes long distance airborne dispersal, and limits dispersal events to the movements of the spore bearing insect. However, there are several disjunct populations of these mosses, incompatible with insect dispersal, raising questions over the manner of their origin. Hypotheses put forward include the dispersal of the mosses to these sites by birds. Here, the possibility that insectivorous birds could internally transport spores is explored by feeding insects bearing spores to captive myna birds. We tested if the spores of the New Zealand dung moss, Tayloria callophylla, can survive gut passage. Ultimately 9 of 10 dung samples produced viable moss colonies after a period of 30 days, demonstrating the survival of the spores through an avian digestive tract. Our results provide evidence for a unique model of dispersal in dung mosses, where a spore bearing insect is eaten by a bird that eats insects transports the spores in its gut over a much greater distance than otherwise likely with the insect alone.

COVID-19 has created enormous health crisis in India due to limited available treatments. Majority of the physicians use sepsis as a prototype to understand the pathophysiology of COVID-19 as there are similarities. Heat-killed Mycobacterium w (Mw) (Inj. Mw®) is a known immunomodulator, which is approved for the treatment of gram-negative sepsis. This observational study was aimed to evaluate the role of Mw along with standard of care (SOC) in critically ill COVID-19 patients. Total 448 patients' data (intervention group: 298 in Mw plus SOC vs 150 in SOC alone) with reverse transcriptase-polymerase chain reaction (RT-PCR) confirmed critically ill COVID-19 patients who were admitted at five tertiary care centers were evaluated. They were observed for changes in laboratory [C-reactive protein (CRP), D-dimer, ferritin, lactate dehydrogenase (LDH), and interleukin-6 (IL-6)] parameters, hospital stay, intensive care unit (ICU) stay, and discharge status after giving 0.3 mL intradermal Mw for 3 consecutive days along with SOC during hospitalization. Standard of care included injectable steroids, remdesivir, and heparin. Data were analyzed using STATA 14.2 (StataCorp., College Station, Texas, USA). In baseline characteristics, Mw plus SOC arm had more critically ill patients as seen by higher high-resolution computed tomography (HRCT) score, higher lab values [CRP, ferritin, D-dimer, LDH, creatinine, alanine aminotransferase (ALT)], and more oxygen requirement as compared to SOC alone. Mycobacterium w arm had significantly higher mortality rate in ICU and hospital. Both hospital stay and ICU stay were longer in Mw arm. However, subgroup analysis found that early initiation of Mw (<3 days vs >3 days) was associated with significantly lesser odds of mortality and lesser odds of intubation requirement. Early initiation of Mw (<3 days vs >3 days) also resulted in significantly lesser duration of stay in the ICU along with reduction of CRP, D-dimer, and LDH. Moreover, further analysis of early initiation of Mw (<3 days vs control) resulted in significant reduction in lab values (procalcitonin, CRP, ferritin, LDH, and D-dimer). Mw when added to SOC was found to associate with significantly increased risk of mortality and increased length of hospital stay. However, time since admission to administration of Mw was a significant predictor of in-ICU deaths in multivariate analysis. Early initiation of Mw (<3 days) was observed to be a protective factor against ICU deaths from the multivariate logistic regression model. However, large randomized controlled trials are required to support the same.

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SummaryLeonard Bloomfield’s system of linguistics was recast by his colleagues and students. His morphophonemic phonology influenced Chomsky’s early generative phonology. His version of Wundt’s psychologically based immediate constituent analysis was adopted by the distributionalists, and later also by the Chomskyans, each for different reasons. His descriptive semantics was left out of American linguistics except for some linguistic anthropologists who came back to it around 1955. Finally, despite the restraint of his descriptions and his principles, the sources of distributionalism can be found in Bloomfield’s denial of lexical synonymy and his use of zeros in morphology.

ABSTRACT The destructive effects of the dynamic forces typically induced by bit whirl have beert identified in previous works. The material presented deals with innovative design features recently developed for PDC bits which resist initiation and propagation of bit whirl. As stated in previous work, bit whirl can be initiated by both cutter/rock interaction forces and extraneous factors such as formation characteristics and undesirable BHA motions. Previous work has also shown how conventional PDC bit technology provides little resistance to whirl and in many cases may reinforce whirl once initiated. Several PDC bit features have been identified that improve bit stability. Cutter force balancing, bit asymmetry, gage design, bit profile, and cutter configuration and arrangement can all contribute to eliminating the propagation of whirl. All of these features will be investigated and assessment of their benefits reported.