Heritable variation in thermal profiles is associated with reproductive success in the world's largest bird.

Organisms inhabiting extreme thermal environments, such as desert birds, have evolved spectacular adaptations to thermoregulate during hot and cold conditions. However, our knowledge of selection for thermoregulation and the potential for evolutionary responses is limited, particularly for large organisms experiencing extreme temperature fluctuations. Here we use thermal imaging to quantify selection and genetic variation in thermoregulation in ostriches (), the world's largest bird species that is experiencing increasingly volatile temperatures.

Differential Gene Expression Patterns in Peach Roots under Non-Uniform Soil Conditions in Response to Organic Matter.

Organic matter (OM) amendments are often encouraged in sustainable agriculture programs but can create heterogeneous soil environments when applied to perennial crops such as peaches ( (L.) Batsch). To better understand the responses of peach roots to non-uniform soil conditions, transcriptomic analysis was performed in a split-root study using uniform soil (the same soil type for all roots) or non-uniform soil (different soil types for each half of the root system) from either (1) autoclaved sand (S), (2) autoclaved sand with autoclaved compost (A), or (3) autoclaved sand with compost which included inherent biological soil life (B).

Annual compost amendments can replace synthetic fertilizer, improve soil moisture, and ensure tree performance during peach orchard establishment in a humid subtropical climate.

The application of organic matter (OM) to peach orchards is currently uncommon in commercial operations but could potentially replace synthetic fertilizers and improve long-term orchard sustainability. The purpose of the study was to monitor how annual applications of compost to replace synthetic fertilizer would change soil quality, peach tree nutrient and water status, and tree performance during the first four years of orchard establishment within a subtropical climate. Food waste compost was incorporated before planting and added annually over four years with the following treatments: 1) 1x rate, applied as dry weight at 22,417 kg ha (10 tons acre) incorporated during the first year and 11,208 kg ha (5 tons acre) applied topically each year after; 2) 2x rate, applied as dry weight at 44,834 kg ha (20 tons acre) incorporated during the first year and 22,417 kg ha (10 tons acre) applied topically each year after; and 3) control, with no compost added.

Experimental evidence that group size generates divergent benefits of cooperative breeding for male and female ostriches.

Cooperative breeding allows the costs of parental care to be shared, but as groups become larger, such benefits often decline as competition increases and group cohesion breaks down. The counteracting forces of cooperation and competition are predicted to select for an optimal group size, but variation in groups is ubiquitous across cooperative breeding animals. Here, we experimentally test if group sizes vary because of sex differences in the costs and benefits of cooperative breeding in captive ostriches, and compare this to the distribution of group sizes in the wild.

Individualised and non-contact post-mortem interval determination of human bodies using visible and thermal 3D imaging.

Determining the time since death, i.e., post-mortem interval (PMI), often plays a key role in forensic investigations.

Extreme temperatures compromise male and female fertility in a large desert bird.

Temperature has a crucial influence on the places where species can survive and reproduce. Past research has primarily focused on survival, making it unclear if temperature fluctuations constrain reproductive success, and if so whether populations harbour the potential to respond to climatic shifts. Here, using two decades of data from a large experimental breeding programme of the iconic ostrich (Struthio camelus) in South Africa, we show that the number of eggs females laid and the number of sperm males produced were highly sensitive to natural temperature extremes (ranging from -5 °C to 45 °C).

Variable Fall Climate Conditions on Carbon Assimilation and Spring Phenology of Young Peach Trees.

Variable fall temperature and moisture conditions may alter leaf senescence of deciduous fruit trees, influencing carbon assimilation before dormancy and phenology the following spring. This study explored gas exchange of young peach trees ( (L.) Batsch) when senescence proceeded normally or was delayed during the fall under two soil moisture treatments: Well-irrigated trees or water deficit.

Accuracy of Parent Perception of Comprehension of Discharge Instructions: Role of Plan Complexity and Health Literacy.

Objective: Inpatient discharge education is often suboptimal. Measures of parents' perceived comprehension of discharge instructions are included in national metrics given linkage to morbidity; few studies compare parents' perceived and actual comprehension. We 1) compared parent perceived and actual comprehension of discharge instructions and 2) assessed associations between plan complexity and parent health literacy with overestimation of comprehension (perceive comprehension but lack actual comprehension).

Discharge Instruction Comprehension and Adherence Errors: Interrelationship Between Plan Complexity and Parent Health Literacy.

Objective: To examine associations between parent health literacy, discharge plan complexity, and parent comprehension of and adherence to inpatient discharge instructions.

Study Design: This was a prospective cohort study of English/Spanish-speaking parents (n = 165) of children ≤12 years discharged on ≥1 daily medication from an urban, public hospital. Outcome variables were parent comprehension (survey) of and adherence (survey, in-person dosing assessment, chart review) to discharge instructions.

National survey of blindness and visual impairment in Guatemala, 2015.

Purpose: To estimate the prevalence of blindness and visual impairment in older adults living in Guatemala.

Methods: Participants ³50 years of age were selected using random cluster sampling and evaluated using the Rapid Assessment of Avoidable Blindness method. Visual acuity was measured, and the lens was examined.

Variable Fall Climate Influences Nutrient Resorption and Reserve Storage in Young Peach Trees.

A delay of leaf senescence resulting from variable fall climate may allow for additional nutrient resorption, and storage within reserve organs. Autumn leaves and reserve organs (<1 year shoots, >1 year shoots, stem above and below the graft union, the tap root, and fine roots) during dormancy of young peach trees were evaluated following warmer fall temperatures and limited soil moisture on two cultivars ('Scarletprince' and 'Autumnprince' both on Guardian rootstock) over two seasons. Four treatments were established for the two cultivars: (1) well-watered trees (100% ET needs) in ambient outdoor temperatures; (2) water deficient trees (50% ET needs) in ambient outdoor temperatures; (3) well-watered trees grown within a greenhouse; and (4) water deficient trees within a greenhouse.

Assessment of country policies affecting reproductive health for adolescents in the Philippines.

Background: Adolescents in the Philippines face many legal, social and political barriers to access sexual and reproductive health (SRH) services, putting them at higher risk of unplanned pregnancy, abortion, sexually transmitted infections and HIV, and other health and development problems.

Objective: This study aims to evaluate whether current normative documents on SRH in the Philippines are in concurrence with adolescents' human rights principles using the World Health Organization (WHO) Guidance and Recommendations on ensuring human rights in the provision of contraceptive information and services.

Methods: The review focused on policies and normative guidance documents which included the national reproductive health law, its implementing rules and regulations, and the Supreme Court decisions on the law, and documents cited in the government's Adolescent and Youth Health Programme.

Ascorbic Acid Alleviates Water Stress in Young Peach Trees and Improves Their Performance after Rewatering.

Exogenous application of biochemicals has been found to improve water stress tolerance in herbaceous crops but there are limited studies on deciduous fruit trees. The goal of this research was to study if ascorbic acid applications could improve physiological mechanisms associated with water stress tolerance in young fruit trees. Ascorbic acid was foliarly applied at a concentration of 250 ppm to water-stressed and well-watered peach trees (control) of two cultivars ('Scarletprince' and 'CaroTiger').

Investigation of Potential Causes of Peach Skin Streaking.

Peach skin streaking is a previously undescribed skin discoloration affecting red-blush peach cultivars in Georgia and South Carolina. Streaked peach fruit have been observed in the field close to harvest. The cause of streaking is still unknown but one hypothesis is that atmospheric pollutants may be involved.

Intrahepatic Cholestasis of Pregnancy (ICP) in U.S. Latinas and Chileans: Clinical features, Ancestry Analysis, and Admixture Mapping.

In the Americas, women with Indigenous American ancestry are at increased risk of intrahepatic cholestasis of pregnancy (ICP), relative to women of other ethnicities. We hypothesized that ancestry-related genetic factors contribute to this increased risk. We collected clinical and laboratory data, and performed biochemical assays on samples from U.

No response to linear polarization cues in operant conditioning experiments with zebra finches.

Many animals can use the polarization of light in various behavioural contexts. Birds are well known to use information from the skylight polarization pattern for orientation and compass calibration. However, there are few controlled studies of polarization vision in birds, and the majority of them have not been successful in convincingly demonstrating polarization vision.

Liver inflammation is a risk factor for prediabetes in at-risk latinos with and without hepatitis C infection.

Background & Aims: Early recognition of prediabetes can lead to timely clinical interventions to prevent type 2 diabetes. Both Latino ethnicity and chronic hepatitis C (HCV) have been identified as diabetic risk factors. We aimed to investigate predictors of impaired fasting glucose (IFG), a common prediabetic state, among Latinos with and without HCV.

Insulin sensitivity and variability in hepatitis C virus infection using direct measurement.

Background And Aims: Studies investigating insulin resistance (IR) in chronic hepatitis C virus (HCV) infection have used surrogate measures of IR that have limited reliability. We aimed to describe the distribution and risk factors associated with IR and its change over time in HCV using direct measurement.

Methods: One hundred two non-cirrhotic, non-diabetic, HCV-infected subjects underwent clinical, histologic, and metabolic evaluation, and 27 completed repeat evaluation at 6 months.

First Report of Dolabra nepheliae Associated with Corky Bark Disease of Rambutan and Pulasan in Honduras.

In the last decade, rambutan (Nephelium lappaceum L., Sapindaceae) and pulasan (N. mutabile Blume) have been cultivated in Honduras to produce exotic fruits for export to North America (2).

Setting good practices to assess the efficiency of iron fertilizers.

The most prevalent nutritional disorder in fruit tree crops growing in calcareous soils is Fe deficiency chlorosis. Iron-deficient, chlorotic tree orchards require Fe-fertilization, since chlorosis causes decreases in tree vegetative growth as well as fruit yield and quality losses. When assessing the effectiveness of Fe-fertilizers, it is necessary to use sound practices based in the state-of-the art knowledge on the physiology and biochemistry of Fe deficiency.

First Report of "Candidatus Liberibacter psyllaurous" or "Ca. Liberibacter solanacearum" Associated with Severe Foliar Chlorosis, Curling, and Necrosis and Tuber Discoloration of Potato Plants in Honduras.

From 2006 to 2009, all commercial potato fields in Azacualpa F.M. Honduras were heavily infested with the potato psyllid Bactericera cockerelli (Sulc.

Physicians' approaches to post-abortion care in Manila, Philippines.

Objective: To assess the knowledge and practice of health professionals in Manila, Philippines, regarding methods used for uterine evacuation in post-abortion care (PAC), including the use of misoprostol.

Methods: A purposive sample of physicians providing PAC services completed questionnaires anonymously about PAC practices.

Results: Among 45 survey respondents, the primary methods used for first-trimester uterine evacuation in PAC included sharp curettage (n=45, 100%) and manual vacuum aspiration (MVA; n=38, 84.

Antioxidant defences and oxidative damage in salt-treated olive plants under contrasting sunlight irradiance.

The interactive effects of root-zone salinity and sunlight on leaf biochemistry, with special emphasis on antioxidant defences, were analysed in Olea europaea L. cv. Allora, during the summer period.