Page 238 | Sci.News: Breaking Science News

Burkesuchus mallingrandensis and a group of Chilesaurus diegosuarezi. Image credit: Gabriel L. Lio / de Anatomía Comparada y Evolución de los Vertebrados (LACEV), Museo Argentino de Ciencias Naturales ‘Bernardino Rivadavia.’

Jurassic-Period Crocodile Ancestor Unearthed in Chile

Aug 4, 2021 by Enrico de Lazaro

Paleontologists have identified a new genus and species of small-sized mesoeucrocodylian from the fossilized remains found in the Patagonian mountains...

Watanabe et al. show that the enigmatic baroreceptor is a nuclear mechanotransducer that resides in the renin cells per se and is responsible for the sensing and transmission of extracellular physical forces directly to the chromatin of renin cells via lamin A/C to regulate renin gene expression, renin bioavailability, and homeostasis. Image credit: Watanabe et al., doi: 10.1161/CIRCRESAHA.120.318711.

Researchers Determine Location and Structure of Our Body’s Blood-Pressure Barometers

Aug 4, 2021 by News Staff

Baroreceptors — natural blood-pressure barometers inside our bodies — detect subtle changes in blood pressure and adjust hormone levels to...

An artist’s impression of a thermonuclear supernova event. Image credit: ESA / ATG Medialab / C. Carreau.

Astronomers Spot Spinning Runaway Star

Aug 4, 2021 by News Staff

Using the NASA/ESA Hubble Space Telescope and NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers have detected 8.9-hr variability in both...

Exercise training rewires the enhancers in regions of our DNA that are known to be associated with the risk to develop disease. Image credit: Sasin Tipchai.

Study: Physical Exercise Improves Health of Brain and Other Organs through Epigenetic Changes

Aug 4, 2021 by News Staff

Some sections of our DNA are genes, which are instructions for building proteins, while other sections — called enhancers — regulate which...

Digital recreation of the skull of Whatcheeria deltae. Image credit: James Rawson / Laura Porro / Elizabeth Martin-Silverstone / Emily Rayfield.

Paleontologists Digitally Reconstruct Skull of Early Tetrapod

Aug 3, 2021 by News Staff

Using cutting-edge techniques, paleontologists have produced the first complete 3D skull reconstruction of a primitive tetrapod called Whatcheeria deltae. Digital...

A group of giraffes. Image credit: Zoe Muller.

Giraffes are Socially Complex Animals, Says New Review

Aug 3, 2021 by News Staff

Giraffes (Giraffa camelopardalis) exhibit many of the features typical of mammals with complex cooperative social systems and matrilineal societies, according...

Rhamphophorus legalovii. Image credit: Poinar & Brown, doi: 10.1016/j.cretres.2021.104948.

‘Mammoth Weevil’ Found Preserved in Mid-Cretaceous Amber

Aug 3, 2021 by News Staff

A fossilized long-bodied weevil found in mid-Cretaceous amber from northern Myanmar represents a new tribe, genus and species and dates back some 100 million...

Giant Exoplanet Orbits Its Host Star Once Every 1.1 Million Years

Aug 3, 2021 by Enrico de Lazaro

Astronomers with the COol Companions ON Ultrawide orbiTS (COCONUTS) program have directly imaged a massive exoplanet orbiting the low-mass red dwarf L...

Reconstruction of the West Antarctic mid-Cretaceous temperate rainforest. The painting is based on paleofloral and environmental information inferred from palynological, geochemical, sedimentological and organic biomarker data obtained from cores at the site of PS104_20-2, Antarctica. Image credit: J. McKay / Alfred-Wegener-Institut / CC-BY 4.0.

Decline in Atmospheric Carbon Dioxide Caused Eocene-Oligocene Cooling, Study Says

Aug 3, 2021 by News Staff

New research shows that mean annual temperatures in southeast Australia gradually declined from 27 degrees Celsius during the Middle Eocene epoch to...

An artist’s impression of the giant exoplanet Kepler-1704b. Image credit: Sci-News.com.

Failed Hot Jupiter Found in Wide Orbit around Kepler-1704

Aug 2, 2021 by Natali Anderson

Astronomers from the Giant Outer Transiting Exoplanet Mass (GOT ’EM) Survey have discovered a long-period giant planet circling the 7.4-billion-year-old...

Ankylosaurus magniventris, a large armored dinosaur species, witnesses the impact of an asteroid, falling on the Yucatan peninsula 66 million years ago. Image credit: Fabio Manucci.

Dinosaur-Killing Chicxulub Asteroid Came from Outer Part of Main Belt, Study Suggests

Aug 2, 2021 by News Staff

A team of planetary scientists from the Department of Space Studies at the Southwest Research Institute has combined computer models of asteroid evolution...

Artist's rendering of the planetary system HR 8799 at an early stage in its evolution, showing the planet HR 8799c, a disk of gas and dust, and interior planets (Dunlap Institute for Astronomy & Astrophysics / Mediafarm)

Astronomers Measure Rotation Speeds of Planets in HR 8799 System

Aug 2, 2021 by Enrico de Lazaro

Using the Keck Planet Imager and Characterizer (KPIC) on the Keck II telescope at the W.M. Keck Observatory, astronomers have obtained and analyzed the...

An artist’s impression of Tcc+, a tetraquark composed of two charm quarks and an up and a down antiquark. Image credit: CERN.

CERN Discover New Tetraquark Particle

Aug 2, 2021 by News Staff

The new exotic particle discovered by physicists from the LHCb Collaboration at CERN’s Large Hadron Collider (LHC) contains two quarks and two antiquarks....

This Hubble image shows IC 1954, a spiral galaxy some 45 million light-years away in the constellation of Horologium. Image credit: NASA / ESA / Hubble / J. Lee / PHANGS-HST Team.

Hubble Space Telescope Sees Spiral Galaxy IC 1954

Aug 2, 2021 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has produced a beautiful image of the small spiral galaxy IC 1954. This Hubble image shows IC 1954, a spiral galaxy...

A pure NaK drop exposed to water vapor in vacuum. Image credit: Mason et al., doi: 10.1038/s41586-021-03646-5.

Scientists Create Metallic Water Solution

Jul 30, 2021 by News Staff

Insulating materials can in principle be made metallic by applying pressure. In the case of pure water, this is estimated to require a pressure of 48 Mbars...

Sponge-Like Animals May Have Lived in Oceans 890 Million Years Ago

Jul 30, 2021 by Enrico de Lazaro

Paleontologists have found possible sponge body fossils in 890-million-year-old microbial reefs in northwestern Canada. If verified, they may pre-date...

Wilkins et al. observed bright flares of X-ray emissions, produced as gas falls into a supermassive black hole in I Zwicky 1; the flares echoed off of the gas falling into the black hole, and as the flares were subsiding, short flashes of X-rays were seen -- corresponding to the reflection of the flares from the far side of the disk, bent around the black hole by its strong gravitational field. Image credit: Dan Wilkins.

Astronomers Detect Light Echoes Coming from Behind Supermassive Black Hole

Jul 30, 2021 by News Staff

Using ESA’s XMM-Newton and NASA’s NuSTAR space telescopes, astronomers have observed X-ray flares emitted from around the supermassive black hole in...

An image of the Andromeda Galaxy from the Sardinia Radio Telescope after averaging over the whole bandwidth at 6.6 GHz. Image credit: Fatigoni et al., doi: 10.1051/0004-6361/202040011.

Sardinia Telescope Captures Most Detailed Radio Image Ever Seen of Andromeda Galaxy

Jul 30, 2021 by News Staff

Using the Sardinia Radio Telescope, a 64-m fully steerable radio telescope near San Basilio, Sardinia, Italy, an international team of astronomers has...

Condemi et al. analyzed the blood types of Neanderthals and Denisovans by looking at their DNA. Image credit: CNRS.

Researchers Decipher Blood Groups of Neanderthals and Denisovans

Jul 30, 2021 by Enrico de Lazaro

An analysis of the high-quality nuclear genomes previously published from three Neanderthals and one Denisovan shows that these extinct hominins were polymorphic...