Becker, 1907 is newly recorded from China and the Oriental Region, with one new species, , described and illustrated. Observations are provided on the biology of visiting flowers of (Levl.) Krause (Liliflorae, Stemonaceae). A key to the genera of Mythicomyiidae known to occur in China is provided.
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http://dx.doi.org/10.3897/zookeys.846.30391 | DOI Listing |
Cancer Causes Control
June 2021
Cancer Prognostics and Health Outcomes Unit, Division of Urology, University of Montréal Health Center, Montréal, Québec, Canada.
Purpose: We assessed contemporary incidence rates and trends of primary urethral cancer.
Methods: We identified urethral cancer patients within Surveillance, Epidemiology and End Results registry (SEER, 2004-2016). Age-standardized incidence rates per 1,000,000 (ASR) were calculated.
Zootaxa
October 2020
California State Collection of Arthropods, Plant Pest Diagnostics Branch, California Department of Food Agriculture, 3294 Meadowview Road, Sacramento, California 95832-1448, USA.
A fully annotated catalog of genus- and species-group names of Neotropical Lauxaniidae (Diptera: Lauxanioidea) is presented, providing details of references to these names in literature, and providing additional details such as distributions, generic combinations, synonymies, misspellings and emendations, information on types, notes on unusual situations, etc. As this catalog is meant to supplement the older Catalog of the Diptera of America North of Mexico, to complete the cataloging of the New World Lauxaniidae, "Neotropical" is herein inclusive of everything south of the United States, and the Nearctic parts of Mexico are not separately distinguished. The catalog is organized alphabetically within each of the three lauxaniid subfamilies, Eurychoromyiinae, Homoneurinae and Lauxaniinae, treating 91 available genus-group names, of which 77 represent valid genera.
View Article and Find Full Text PDFElife
November 2020
Department for Cell and Developmental Biology, Max Planck Institute for molecular Biomedicine, Münster, Germany.
Three-dimensional (3D) culture systems have fueled hopes to bring about the next generation of more physiologically relevant high-throughput screens (HTS). However, current protocols yield either complex but highly heterogeneous aggregates ('organoids') or 3D structures with less physiological relevance ('spheroids'). Here, we present a scalable, HTS-compatible workflow for the automated generation, maintenance, and optical analysis of human midbrain organoids in standard 96-well-plates.
View Article and Find Full Text PDFNature
September 2020
Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, Cambridge, MA, USA.
Astronomers have discovered thousands of planets outside the Solar System, most of which orbit stars that will eventually evolve into red giants and then into white dwarfs. During the red giant phase, any close-orbiting planets will be engulfed by the star, but more distant planets can survive this phase and remain in orbit around the white dwarf. Some white dwarfs show evidence for rocky material floating in their atmospheres, in warm debris disks or orbiting very closely, which has been interpreted as the debris of rocky planets that were scattered inwards and tidally disrupted.
View Article and Find Full Text PDFSleep
December 2020
Department of Pediatrics, University of Alberta, Edmonton, AB, Canada.
Study Objectives: Machine learning (ML) may provide insights into the underlying sleep stages of accelerometer-assessed sleep duration. We examined associations between ML-sleep patterns and behavior problems among preschool children.
Methods: Children from the CHILD Cohort Edmonton site with actigraphy and behavior data at 3-years (n = 330) and 5-years (n = 304) were included.
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