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Extraterrestrial life: back story for the control experiment
CORRESPONDENCE 28 November 2023 Manuel Lerdau University of Virginia, Charlottesville, Virginia, USA. Your discussion of one of my favourite Nature papers, from 30 years ago (C. Sagan et al. Nature 365, 715–721; 1993), omitted mention of the theoretical underpinnings of the authors’ ‘control’ experiment to detect life on Earth (see Nature 622, 451–452; 2023). Access…
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A multivariate decomposition analysis of modern contraceptive utilization among married women in the emerging region of Ethiopia (2000–2019)
Abstract Ensuring universal access to family planning services is a proven strategy to improve reproductive health as well as economic development. Assessing the trend and identifying the factors for the change in modern contraceptive utilization is crucial to design effective measures, but trend analysis was not conducted previously. Thus, this study aimed to assess the…
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A novel RF-CEEMD-LSTM model for predicting water pollution
Abstract Accurate water pollution prediction is an important basis for water environment prevention and control. The uncertainty of input variables and the nonstationary and nonlinear characteristics of water pollution series hinder the accuracy and reliability of water pollution prediction. This study proposed a novel water pollution prediction model (RF-CEEMD-LSTM) to improve the performance of water…
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Effective gestational weight gain advice to optimize infant birth weight in Japan based on quantile regression analysis
Abstract The optimal range of gestational weight gain (GWG) was recently raised in Japan. This may help reduce small-for-gestational-age (SGA) infants, but may also increase large-for-gestational-age (LGA) infants. This study performed hypothetical experiments to determine effective GWG advice based on quantile regression analysis. In a total of 354,401 singleton pregnancies registered in the perinatal database…
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Method for obtaining reliable R-waves in fish electrocardiograms by utilizing conductivity of seawater
Abstract A simple method for measuring bioelectric signals of fish in seawater is expected for managing the health of farmed fish and clarifying the ecophysiology of natural fish. We previously proposed a simple and unique method for measuring bioelectric signals of fish by inserting only one special internal electrode (which can be isolated from seawater)…
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This is how the world finally ends the HIV/AIDS pandemic
Nearly 30 years ago — more than a decade after HIV/AIDS was first identified — a group of scientists in the United States and France reported impressive results from a clinical trial. Pregnant women living with HIV could reduce the risk of transmitting the virus to their newborn child by around 67% if they took…
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Meet our climate researcher
[Music plays and a split circle appears and photos of different CSIRO activities flash through in either side of the circle and then the circle morphs into the CSIRO logo] [Image changes to show text below the CSIRO logo: Future Science Case Study, Permanent Carbon Locking Technologies] [Image changes to show the CSIRO Marine Laboratories…
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Separation and antioxidant activities of new acetylated EGCG compounds
Abstract Acetylation could improve the bioavailability of (-)-Epigallocatechin-3-Gallate (EGCG), but the relationship of substitution degree and antioxidant capacity of acetylated EGCG was unclear. The acetylated EGCG products were separated by preparation high performance liquid chromatography (HPLC). Two mono substituted acetylated EGCG, three substituted acetylated EGCG (T-AcE), eight substituted acetylated EGCG (E-AcE) and (-)-Epigallocatechin gallate (EGCG)…
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A novel RF-CEEMD-LSTM model for predicting water pollution
Abstract Accurate water pollution prediction is an important basis for water environment prevention and control. The uncertainty of input variables and the nonstationary and nonlinear characteristics of water pollution series hinder the accuracy and reliability of water pollution prediction. This study proposed a novel water pollution prediction model (RF-CEEMD-LSTM) to improve the performance of water…
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This is how the world finally ends the HIV/AIDS pandemic
Nearly 30 years ago — more than a decade after HIV/AIDS was first identified — a group of scientists in the United States and France reported impressive results from a clinical trial. Pregnant women living with HIV could reduce the risk of transmitting the virus to their newborn child by around 67% if they took…