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Science News Archive April 2021 - Page 15


Page 15 of 46

Unlocking Australia's biodiversity, one dataset at a time

The Atlas of Living Australia (ALA) is a national biodiversity database that provides reliable data for scientists, policy-makers, and environmental planners. It contains nearly 95 million occurrence records of over 111,000 species, showcasing its potential to support the development of science and decision-making.

SourcePensoft Publishers·JournalBiodiversity Data Journal·DateApr 22, 2021

Plant provenance influences pollinators

Researchers at the University of Münster studied the impact of plant seed provenance on pollinator diversity and frequency. They found that plants from different regions influenced pollinators' visits to flowers, with some regions offering more frequent interactions.

SourceUniversity of Münster·JournalJournal of Applied Ecology·DateApr 22, 2021

Hunger cues

Researchers at Harvard Medical School identified a signaling molecule called neuropeptide-Y (NPY) as the key driver of hunger-dependent odor attraction. Mice with NPY deficiency showed reduced preference for food odors, highlighting the crucial role of NPY in enhancing food attraction when hungry.

SourceHarvard Medical School·JournalNature·DateApr 22, 2021

Uniquely sharp X-ray view

For the first time, scientists have successfully used transient grating spectroscopy with ultrafast X-rays to explore material properties at the atomic level. This method allows for the observation of individual atoms and selective measurement of specific chemical elements in a mixture of substances.

SourcePaul Scherrer Institute·JournalNature Photonics·DateApr 22, 2021

XYZeq: A better map of cell diversity

A new method called XYZeq allows researchers to map variation across cells in a tissue or tumor, gaining insight into their spatial location and function. The technique enables the analysis of cellular patterns in complex environments like cancerous tumors and other organs.

SourceGladstone Institutes·JournalScience Advances·DateApr 22, 2021

Romantic relationships mitigate effects of trauma on alcohol use among college students

A study by Virginia Commonwealth University researchers found that romantic relationships can help alleviate the negative impact of trauma on drinking behavior among college students. The study, which involved nearly 9,000 participants, discovered that students who experienced interpersonal trauma during college consumed more alcohol t...

SourceVirginia Commonwealth University·JournalAddiction·DateApr 22, 2021

How is a molecular machine assembled?

Researchers from Ruhr-University Bochum and collaborators isolated a PS II transition complex with three helper proteins using cryo-electron microscopy. The study reveals a novel protective mechanism that prevents the formation of aggressive oxygen species during assembly, allowing for a more efficient and stable machine.

SourceRuhr-University Bochum·JournalNature Plants·DateApr 22, 2021

Researchers trace spinal neuron family tree

Salk researchers have traced the development of spinal cord neurons using genetic signatures, revealing new ways of classifying and tagging subsets of cells. The findings offer a precise way to study the function of spinal cord neurons and their role in regulating body movements.

SourceSalk Institute·JournalScience·DateApr 22, 2021

Recreating the earliest stages of life

Researchers successfully generate synthetic mouse embryos containing the three fundamental cell types normally found in pre-implantation embryos. The study provides strong evidence that the system is a good model for studying early embryo development, shedding light on the mechanisms of totipotency and the causes of early pregnancy loss.

SourceGladstone Institutes·JournalStem Cell Reports·DateApr 22, 2021

Improving survival in pancreatic cancer

Nagoya University researchers discovered a molecular pathway that enhances chemotherapy resistance in some pancreatic cancer patients. Targeting the taurine upregulating gene 1 (TUG1) RNA could improve patient response to therapy and increase overall survival.

SourceNagoya University·JournalCancer Research·DateApr 22, 2021

Black, Hispanic, impoverished people have worse survival rates among teens, adults under 40 with cancer, UTSW review shows

A UT Southwestern Medical Center review of Texas Cancer Registry data found that Black and Hispanic patients under 40 with cancer have lower survival rates compared to their white counterparts. The study also showed that poverty and lack of insurance coverage exacerbate these disparities.

SourceUT Southwestern Medical Center·JournalJNCI Journal of the National Cancer Institute·DateApr 22, 2021