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Astronomers discover first population of binary stripped stars

Astronomers at the University of Toronto have discovered a population of massive stars that have been stripped of their hydrogen envelopes by their companions in binary systems. The findings, published in Science, shed light on the hot helium stars t.....»»

Category: topSource:  physorgDec 14th, 2023

Scientists discover nonstomatal control of water loss in critical crops

Scientists have discovered that certain plants can survive stressful, dry conditions by controlling water loss through their leaves without relying on their usual mechanism—tiny pores known as stomata......»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Bridging large riverine ecosystems for inter-basin exchanges

Many of the world's large rivers have been modified to support food security, hydropower production, navigation and trade. While these developments are necessary to support a growing human population, they also pose substantial risks to the structure.....»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Scientists discover how TGF-Beta sends its message even while tethered to the cell membrane

For years, scientists have thought that TGF-Beta, a signaling protein that holds sway over an astonishing array of cellular processes from embryonic development to cancer, could only do its work once it escaped a lasso-like "straitjacket.".....»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Scientists Crack a 50-Year Mystery to Discover a New Set of Blood Groups

We now know why some blood is missing a key antigen—leading to the creation of a new blood-grouping system. Experts believe even more discoveries are on the way......»»

Category: gadgetSource:  wiredRelated NewsSep 16th, 2024

Urgent conservation efforts needed: Possible extirpation of the threatened Malagasy poison frog Mantella cowanii

New research highlights the precarious status of one of Madagascar's most threatened amphibians, the harlequin mantella (Mantella cowanii), revealing small population sizes and the possible extirpation of the species from several of its historic habi.....»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Astronomers detect black hole "starving" its host galaxy to death

Astronomers have used the NASA/ESA James Webb Space Telescope to confirm that supermassive black holes can starve their host galaxies of the fuel they need to form new stars. The results are reported in the journal Nature Astronomy......»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Study shows urbanization has impacted the population genetic structure of the Eurasian red squirrel in Japan

Since many kinds of wildlife have started living in urban environments, urban environments have been recognized as places of biodiversity conservation. What kind of factors facilitate or prohibit wildlife from living in urban environments?.....»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Astronomers discover new planet in Great Bear constellation

Astronomers from the Nicolaus Copernicus University in Torun have discovered a new planet in the constellation of the Great Bear. It has a mass as much as 11 times that of Jupiter, orbits its star in 14 years and has a temperature of no more than min.....»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Flowers use adjustable "paint by numbers" petal designs to attract pollinators, researchers discover

Flowers like hibiscus use an invisible blueprint established very early in petal formation that dictates the size of their bullseyes—a crucial pre-pattern that can significantly impact their ability to attract pollinating bees......»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Edible insects show promise as sustainable nutritional source

As the global population grows and traditional livestock production increasingly strains environmental resources, there is a rising interest in alternative protein sources. Edible insects, particularly grasshoppers, are abundant in regions like Camer.....»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Huge gamma-ray burst collection "rivals 250-year-old Messier catalog," say astronomers

Hundreds of gamma-ray bursts (GRBs) have been recorded as part of an enormous global effort so extensive it "rivals the catalog of deep-sky objects created by Messier 250 years ago", astronomers say......»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

If you have to watch one (HBO) Max movie in September 2024, stream this one

The one (HBO) Max movie that you have to watch in September is a science fiction movie from 2015 that reaches for the stars......»»

Category: topSource:  digitaltrendsRelated NewsSep 13th, 2024

Scientists discover crude oil decimates sea otter buoyancy

Sea otters are famed for their luscious pelts, but the fur almost led to their extinction. By 1938, only a tiny population of ~50 remained clinging to the central California coast. Since then, the mammals have battled back. However, the charismatic c.....»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Experimental data help unravel the mystery surrounding the creation of heavy elements in stars

How are stars born, and how do they die? How do they produce the energy that keeps them burning for billions of years? How do they create the elements we observe today? Definitive answers to these questions continue to elude scientists in their quest.....»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Webb peers into the Extreme Outer Galaxy

Astronomers have directed NASA's James Webb Space Telescope to examine the outskirts of our Milky Way galaxy. Scientists call this region the Extreme Outer Galaxy due to its location more than 58,000 light-years away from the Galactic Center. (For co.....»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Assassin"s Creed Jade - everything we know

Assassin's Creed Jade offers a new setting to discover without straying from the signature charm of the series. Here's what we know......»»

Category: topSource:  informationweekRelated NewsSep 12th, 2024

Old Easter Island genomes show no sign of a population collapse

Native American DNA in the genomes dates to roughly when Rapa Nui was settled. Enlarge (credit: Jarcosa) Rapa Nui, often referred to as Easter Island, is one of the most remote populated islands in the world. It's so dis.....»»

Category: topSource:  arstechnicaRelated NewsSep 11th, 2024

Image: James Webb Space Telescope observes nearby star-forming region NGC 1333 in infrared

NASA's James Webb Space Telescope has infrared vision that lets us peer through the dusty veil of nearby star-forming region NGC 1333. We can see planetary mass objects, newborn stars, and brown dwarfs; some of the faintest "stars" in this mosaic ima.....»»

Category: topSource:  pcmagRelated NewsSep 11th, 2024

Astronomers discover a long-hidden small black hole in an unusually evolved binary system

Chinese researchers have discovered a promising mass-gap black hole using radial velocity and astrometry methods. The study was published online in Nature Astronomy on Sept. 10, and was conducted by a team led by Dr. Wang Song, an associate researche.....»»

Category: topSource:  theglobeandmailRelated NewsSep 11th, 2024

Ancient DNA from Rapa Nui (Easter Island) refutes best-selling population collapse theory

Rapa Nui or Te Pito o Te Henua (the navel of the world), also known as Easter Island, is one of the most isolated inhabited places in the world. Located in the Pacific, it lies over 1,900 km east of the closest inhabited Polynesian island and 3,700 k.....»»

Category: topSource:  theglobeandmailRelated NewsSep 11th, 2024