Page 201 | Sci.News: Breaking Science News

Ocellate river stingrays (Potamotrygon motoro) at Zoo Duisburg, Germany. Image credit: Raimond Spekking / CC BY-SA 4.0.

New Research Shows Stingrays and Cichlid Fish Can Add and Subtract

Apr 1, 2022 by News Staff

In a new study, researchers at the University of Bonn’s Institute of Zoology examined the numerical understanding of cichlids and stingrays regarding...

This image shows Utopia Planitia, a plain that fills one of three major basins in the northern hemisphere of Mars. Image credit: ESA / DLR / FU Berlin / CC BY-SA 3.0 IGO.

Mars Express Sees Fascinating Ice-Related Features in Utopia Planitia

Mar 31, 2022 by News Staff

Utopia Planitia, a large lava plain in the northern hemisphere of Mars, has a diameter of roughly 3,300 km (2,051 miles) — just under twice the north-south...

Louge et al. show how water vapor penetrates powders and grains. Image credit: Pexels.

Deserts Inhale and Exhale Water Vapor through Their Surface, Scientists Say

Mar 31, 2022 by News Staff

Using a new probe that detects tiny amounts of moisture on sand grains, a team of researchers from Cornell University, the Ecole Polytechnique de l’Université...

This color image of Mercury was generated from three MESSENGER images taken through filters sensitive to light in different wavelengths. Image credit: NASA / Johns Hopkins University Applied Physics Laboratory / Carnegie Institution of Washington.

Planet Mercury Has Magnetic Storms, New Research Shows

Mar 31, 2022 by News Staff

The significantly weaker magnetic field, smaller magnetosphere, and much faster timescale of processes around Mercury, when compared with Earth, enable...

Boolani et al. suggest that energy and fatigue are unique traits that could be defined by distinct bacterial communities not driven by diet. Image credit: Darryl Leja, National Human Genome Research Institute, National Institutes of Health.

Distinct Gut Bacterial Communities are Associated with Personality Traits: Study

Mar 31, 2022 by News Staff

New research provides evidence that the four traits (i.e., mental energy and fatigue, physical energy and fatigue) may have unique yet overlapping gut...

Hubble Uncovers Most Distant Star Ever Seen

Mar 31, 2022 by News Staff

Designated WHL0137-LS and nicknamed Earendel, the newly-detected star emitted its light around 900 million years after the Big Bang. Earendel (arrow) is...

This image, taken with the 2.5-m Nordic Optical Telescope, shows the long-period comet C/2014 B1 (Scwartz). The orbit of this comet lies exterior to Saturn’s, yet it exhibited cometary activity during its most recent passage through the Solar System’s giant planet region. Image credit: David Jewitt.

Fading of Long-Period Comets Begins beyond Saturn, Study Says

Mar 30, 2022 by News Staff

The discovery probability of long-period comets passing near the Sun is highest during their first passage and then declines, or fades, during subsequent...

The position of J0624-6948 (small object at the center of the purple ring indicated by *) is indicated with respect to the Milky Way’s Galactic plane, the Large Magellanic Cloud and the Small Magellanic Cloud. Image credit: Axel Mellinger, Central Michigan University.

ASKAP Finds Rogue Supernova Remnant near Large Magellanic Cloud

Mar 30, 2022 by News Staff

Astronomers using the Australian Square Kilometre Array Pathfinder (ASKAP) have spotted a mysterious circular ring between the Milky Way’s plane and...

An artist’s impression of an Earth-sized exoplanet orbiting an M-dwarf star. Image credit: Sci-News.com.

Methane in Exoplanetary Atmosphere Could Be Sign of Extrarerrestrial Life

Mar 30, 2022 by News Staff

The case for methane as a biosignature stems from its instability in the planet’s atmosphere. Because photochemical reactions destroy atmospheric methane,...

Sleep restriction combined with ad libitum food promotes excess energy intake without varying energy expenditure. Image credit: Covassin et al., doi: 10.1016/j.jacc.2022.01.038.

Study: Lack of Sleep Predisposes to Abdominal Visceral Obesity

Mar 30, 2022 by News Staff

Visceral fat is deposited deep inside the abdomen around internal organs and is strongly linked to cardiac and metabolic diseases. New research from Mayo...

The Wright Mons region on Pluto: darker/lower albedo, redder patches exist primarily on north-facing slopes but there are also more subtle differences in albedo and redness across the region; the region labeled A represents a redder unit transition to less red units at lower elevation. The longitude and latitude extents of the image are 160-182°E and 13-31°S. Image credit: Singer et al., doi: 10.1038/s41467-022-29056-3.

Enormous Cryovolcanoes Spotted on Pluto

Mar 29, 2022 by News Staff

Cryovolcanoes (ice volcanoes) are similar to normal volcanoes but instead of being formed from molten rock, they are made by frozen liquids like ammonia...

This composite image shows V Hydrae, a carbon-rich AGB star some 1,300 light-years away in the constellation of Hydra. Image credit: ALMA / ESO / NAOJ / NRAO / S. Dagnello, NRAO, AUI & NSF.

ALMA Spots Multi-Ring Structure around Rapidly-Evolving Carbon Star

Mar 29, 2022 by News Staff

Using the Atacama Large Millimeter/submillimeter Wave Array (ALMA), astronomers have observed the carbon-rich star V Hydrae that is apparently transitioning...

Sketches illustrating core-mantle helium exchange processes: (a) 3He acquisition during Earth’s accretion by ingassing from the nebular atmosphere and transport through the magma ocean to the proto-core; and (b) 3He transport from the core to the mantle and from the mantle to the ocean after accretion. Image credit: Olson & Sharp, doi: 10.1029/2021GC009985.

Primordial Helium Isotope is Leaking Out of Earth’s Metallic Core: Study

Mar 29, 2022 by News Staff

Each year, about 2 kg of helium-3, a rare isotope of helium gas, escapes from Earth’s interior, mostly along the mid-ocean ridge system. Helium-3 is...

Helena, the helmeted honeyeater (Lichenostomus melanops cassidix) whose genome was sequenced, at Yellingbo Nature Conservation Reserve, Victoria, Australia. Image credit: Nick Bradsworth.

Researchers Sequence Genome of Helmeted Honeyeater

Mar 29, 2022 by News Staff

Scientists from Monash University and elsewhere have sequenced and assembled the nuclear and mitochondrial genomes of the helmeted honeyeater (Lichenostomus...

Plums (Prunus domestica). Image credit: Vanessa / K-e-k-u-l-é.

Daily Prune Consumption Improves Bone Health, New Study Finds

Mar 29, 2022 by News Staff

Bone mineral density (BMD) is known to decrease rapidly after menopause and women over the age of 50 are more likely to experience hip fractures, which...

Murrayglossus hacketti, a giant echidna that lived in Western Australia during the Pleistocene. The largest egg-laying mammal ever discovered, this 30-kg animal may have specialized on termites. Image credit: Peter Schouten.

New Research Sheds Light on Origins of Monotremes

Mar 28, 2022 by News Staff

New research led by Australian Museum paleontologists shows that monotremes are the last survivors of a diverse set of fossil species that once roamed...

A juvenile variegated snailfish (Liparis gibbus) imaged under fluorescent lighting conditions. Image credit: Gruber & Sparks.

Prominent Biofluorescence Discovered in Arctic Fish

Mar 28, 2022 by News Staff

New research published in the American Museum Novitates is the first to document biofluorescence in Arctic fishes. A juvenile variegated snailfish (Liparis...

Daytime napping and cognition may drive each other’s changes bidirectionally. Image credit: StockSnap.

Study Finds Bidirectional Link between Daytime Napping and Cognitive Aging

Mar 28, 2022 by News Staff

In a new cohort study, published in the journal Alzheimer’s & Dementia, participants tended to nap longer and more frequently with aging; most importantly,...

Fossil of New Duck Species Found in New Zealand

Mar 28, 2022 by Enrico de Lazaro

The newly-identified species of extinct diving duck is the fourth species in the genus Manuherikia. An artist’s impression of a Manuherikia duck. Image...