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This Hubble image shows the dwarf elliptical galaxy LEDA 29388. Image credit: NASA / ESA / Hubble / T. Armandroff.

Hubble Observes Little-Know Dwarf Elliptical Galaxy

Apr 20, 2020 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have obtained a remarkable view of the dwarf galaxy LEDA 29388. This Hubble image shows the dwarf...

Colorized scanning electron micrograph of an apoptotic cell (green) heavily infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample. Image credit: NIAID.

Genetic Variability in Immune System May Affect Susceptibility to SARS-CoV-2

Apr 20, 2020 by News Staff

Genetic variability in the human immune system may affect susceptibility to and severity of infection by SARS-CoV-2, a novel coronavirus which causes the...

A reconstruction of the giant pterosaur Hatzegopteryx launching into the air, just after the forelimbs have left the ground. Image credit: Mark Witton.

Fossil Flyers Hold Secrets to Better Flight Technologies

Apr 18, 2020 by News Staff

The physiology of pterosaurs and other fossil flyers could provide ancient solutions to modern flight problems, such as aerial stability and the ability...

Star Hurtling around Milky Way’s Central Black Hole Validates Einstein’s General Relativity

Apr 17, 2020 by News Staff

At the center of the Milky Way lurks Sagittarius A*, a supermassive black hole that is four million times the mass of the Sun. Located 26,000 light-years...

Neutrophils forming NETs in cell culture. Note the expelled DNA strings (arrows). Scanning electron microscopy of neutrophils 3 h after plating and coculturing with 4T1 breast cancer cells. Scale bar - 25 µm. Image credit: Barnes et al, doi: 10.1084/jem.20200652.

Study Links Neutrophil Infiltration in Lungs to COVID-19 Symptoms

Apr 17, 2020 by News Staff

A little known yet powerful function of overactive white blood cells known as neutrophils — the ability to form neutrophil extracellular traps (NETs)...

Heavier iron isotopes migrate toward lower temperatures into the mantle, while lighter iron isotopes circulate back down into the core. Image credit: L. O’Dwyer Brown, Aarhus University.

Earth’s Core May Be Leaking Iron, Geoscientists Say

Apr 16, 2020 by News Staff

Earth’s molten core may be leaking heavy isotopes of iron, according to a study led by geoscientists from Aarhus University and the University of California,...

Neolithic rock art in Tassili n’Ajjer National Park, Sahara, Algeria. Image credit: Patrick Gruban, Munich, Germany / CC BY-SA 2.0.

Neolithic East African Pastoralist Societies Consumed Milk

Apr 16, 2020 by News Staff

New research published in the Proceedings of the National Academy of Sciences provides the first evidence for diet and subsistence practices of Neolithic...

Red Dwarf Kepler-1649 Has Earth-Sized Exoplanet in Habitable Zone

Apr 16, 2020 by Enrico de Lazaro

Astronomers using data from NASA’s Kepler Space Telescope have discovered an Earth-sized planet in the habitable zone of a low-mass star called Kepler-1649. An...

Reconstructed sagittal 5-mm orthogonal midline images in the brain using the sagittal 3D T1-weighted data set: (left) preflight baseline image and (right) matching postflight image (postflight day 1) in the same astronaut; the black arrowheads show upward expansion of the anterior, middle, and posterior superior margins of the lateral ventricle with associated narrowing of the marginal sulcus of the cingulate sulcus (white arrowhead); there is subtle expansion of the third ventricle (indicated by a 3), which has displaced the thalamus (T) from midline, making it less visible; there is thickening of the intermediate signal scalp soft tissues (arrows). Image credit: Kramer et al, doi: 10.1148/radiol.2020191413.

Study: Long-Duration Spaceflight Affects Brain Volume

Apr 16, 2020 by News Staff

A new study led by Professor Larry Kramer from the University of Texas Health Science Center at Houston suggests that the impact of microgravity is far-reaching,...

Neotibicen pruinosus and Magicicada casinnii and their wings with the relevant cells labeled (top). Scale representations of the material removed throughout the chemical extractions (orange: 1 min; dark gray: 5 min; blue: 20 min) and the remaining pillar height (light gray) after the extraction (bottom), based on SEM images. Image credit: Román-Kustas et al, doi: 10.1002/admi.202000112.

New Study Examines Structural and Chemical Characteristics of Cicada Wings

Apr 15, 2020 by News Staff

Chemical compounds that coat cicada wings also contribute to their ability to repel water and kill microbes, says a new study published in the journal...

V906 Carinae (circled) shines near peak brightness in this image taken on March 23, 2018, three days after the nova was discovered. The beautiful cloud of gas and dust dominating the picture is part of the Carina Nebula. Image credit: A. Maury / J. Fabrega.

Astronomers Track Shock Waves in Nova V906 Carinae

Apr 15, 2020 by News Staff

A nova is a sudden, short-lived brightening of an otherwise inconspicuous star. It occurs when a stream of hydrogen from a companion star flows onto the...

Left: wild-type Arabidopsis thaliana. Right: Arabidopsis thaliana with overexpressed AHL15. Image credit: Omid Karami.

Biologists Identify Longevity Gene in Flowering Plants

Apr 15, 2020 by Enrico de Lazaro

A gene called AHL15 (AT-hook motif nuclear-localized protein 15) promotes longevity in annual flowering plants, according to a new study published in the...

Astronomers Spot Most Powerful Supernova Explosion

Apr 15, 2020 by News Staff

An international team of astronomers has detected the brightest and most energetic known supernova: SN 2016aps. An artist’s illustration of a supernova....

The Mediterranean diet emphasizes consumption of whole fruits, vegetables, whole grains, nuts, legumes, fish, and olive oil, as well as reduced consumption of red meat and alcohol. Image credit: Julia Pastel100.

Mediterranean Diet May Help Preserve Cognitive Function

Apr 15, 2020 by News Staff

Adherence to the Mediterranean diet correlates with higher cognitive function, according to a new study led by the National Eye Institute (NEI), part of...

With wall thicknesses of about 160 nm, a closed-cell, plate-based nanolattice structure is the first experimental verification that such arrangements reach the theorized limits of strength and stiffness in porous materials. Image credit: Cameron Crook & Jens Bauer, University of California, Irvine.

Newly-Developed Carbon Nanolattices are Stronger than Diamonds

Apr 14, 2020 by News Staff

An international team of scientists has created carbon nanolattices — constructed from closed-cell plate-architectures — that are stronger...

An ‘Oumuamua-like object produced by a simulation of the tidal disruption scenario. Image credit: Y. Zhang / NAOC / M. Kornmesser / ESO.

New Theory Explains Odd Properties of Interstellar Object Oumuamua

Apr 14, 2020 by News Staff

A due of researchers used numerical simulations to show that interstellar objects like ‘Oumuamua, a fast moving, cigar-shaped object of extrasolar origin...

Flamingo friends. Image credit: Paul Rose / WWT Slimbridge.

Flamingos Form Long-Standing Friendships, New Study Shows

Apr 14, 2020 by News Staff

Flamingos are well known for their gregarious habits and aggregations in large flocks, but evaluation of the mechanisms behind social grouping remain poorly...

TESS Discovers Unusual Ancient System with Two Hot Gas Giants

Apr 14, 2020 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a planetary system of two giant planets — a Neptune-sized...

Clarke et al demonstrate the capacity to simultaneously ventilate two test lungs of different compliances, and using only standard hospital equipment, modify the delivered pressure, flow, and volume in each test lung. Image credit: Monash University.

Coping with COVID-19: Australian Scientists Successfully Test Ventilator Splitting in Simulated Setting

Apr 14, 2020 by News Staff

A team of researchers from the Royal Women’s Hospital, Monash University and the Alfred Hospital has successfully tested, in a simulated environment,...