Tag

Hydrogen Sulfide

All articles tagged with #hydrogen sulfide

space29 days ago•9 min saved

Uranus Clouds Reveal a Rotten-Egg Clue About Its Formation

Astronomers using Gemini North spectroscopy detected trace hydrogen sulfide above Uranus’s cloud tops (about 0.4–0.8 parts per million), confirming a sulfur-bearing layer and showing Uranus is chemically distinct from the inner gas giants. The planet’s blue color comes from methane, not sulfur, and while the “rotten egg” smell is a real footnote, any visitor would be overwhelmed by the extreme cold and unbreathable atmosphere long before odor could be noticed. The finding helps constrain how Uranus formed and where its clouds originate.

via Space Daily|

#atmosphere #hydrogen-sulfide #methane

science1 month ago•15 min saved

Sunless 5.5-Million-Year Lab: Movile Cave Hosts 48 Chemosynthetic Species

In Movile Cave near Mangalia, Romania, an 18‑metre‑deep, sunless chamber sealed for about 5.5 million years hosts 48 species—33 endemic—fed by chemosynthetic bacteria oxidising hydrogen sulfide; the largely eyeless, pigmentless community shows life can thrive on chemical energy without sunlight and informs astrobiology about potential life on other sunless worlds.

via Space Daily|

#chemosynthesis #endemic-species #extremophiles

science6 months ago•6 min saved

JWST Discovers Hydrogen Sulfide on Distant Super-Jupiters, Illuminating Planet-Formation Paths

Using the James Webb Space Telescope, astronomers detected hydrogen sulfide in the atmospheres of HR 8799’s inner gas giants (c, d, e), suggesting sulfur came from solid material in their birth disks and signaling a universal pattern of heavy-element enrichment during planet formation. The study also showcases a direct-imaging technique that could, in time, help study Earth-like worlds for biosignatures.

via The Daily Galaxy|

#exoplanets #hr-8799 #hydrogen-sulfide

science7 months ago•4 min saved

Gaseous Molecule May Shield Brain Against Alzheimer's, Study in Mice Finds

A Johns Hopkins-led lab study in genetically modified mice showed that slowly releasing hydrogen sulfide (the gas behind fart smells) with NaGYY improved memory and motor function by about 50% after 12 weeks, suggesting hydrogen sulfide signaling might slow neurodegeneration and could inform future Alzheimer’s therapies. Results are preclinical and limited to animal models, though researchers are now exploring the molecular pathways, including interactions with GSK3β, to understand potential human applications.

via Indian Defence Review|

#alzheimers-disease #gas-signaling #hydrogen-sulfide

science7 months ago•9 min saved

Brain Enzyme Tied to Memory Reveals New Alzheimer’s Treatment Path

Johns Hopkins researchers found that loss of the brain enzyme cystathionine γ-lyase (CSE), which makes hydrogen sulfide, causes memory loss and Alzheimer’s-like brain damage in mice, highlighting CSE as a potential drug target to boost brain health and slow neurodegeneration.

via SciTechDaily|

#alzheimers #cse #hydrogen-sulfide

science7 months ago•7 min saved

Israeli Scientists Discover Protein Linked to Aging Control

Israeli scientists have identified a protein called Sirt6 that plays a key role in regulating hydrogen sulfide gas, which is crucial for healthy aging and may lead to new drug development to extend human lifespan and combat age-related diseases.

via Ynetnews|

#aging #healthy-aging #hydrogen-sulfide

health8 months ago•2 min saved

Farting and Brain Health: Surprising Links to Alzheimer’s Prevention

Scientists at Johns Hopkins have found that hydrogen sulfide, a gas produced in the body and present in flatulence, could protect against Alzheimer's disease by improving cognitive and motor functions, with potential for new drug development.

via New York Post|

#alzheimers #brain-health #gas-therapy

health8 months ago•3 min saved

The Surprising Health Benefits of Smelling Your Own Farts

Scientists at Johns Hopkins suggest that small doses of hydrogen sulfide, a gas produced naturally in the body and associated with foul smell, may help protect against Alzheimer's disease by improving brain cell signaling and reducing protein clumping, as demonstrated in mouse studies.

via The Independent|

#alzheimers-disease #brain-health #gas-therapy

health9 months ago•3 min saved

Scientists Find Habit That Cuts Alzheimer's Risk by 37%

Scientists from Johns Hopkins University suggest that the hydrogen sulfide in farts could reduce Alzheimer's risk by up to 37%, as it may protect brain cells and improve cognitive function, based on animal studies showing potential reversal of Alzheimer's symptoms through hydrogen sulfide compounds.

via UNILAD Tech|

#alzheimers #brain-health #farting

health9 months ago•3 min saved

Hydrogen Sulfide: The 'Rotten Egg' Gas as a Promising Nail Infection Treatment

Scientists have discovered that hydrogen sulfide, a gas known for its rotten egg smell, could be a promising new treatment for stubborn nail infections due to its ability to penetrate nails and kill resistant fungi, potentially offering a faster and safer alternative to current therapies.

via SciTechDaily|

#antifungal #health #hydrogen-sulfide

health1 year ago•2 min saved

Gut Microbes and Fiber: New Breakthroughs in Reducing Heart Disease and Blood Pressure

Emerging research suggests that the gas hydrogen sulfide, produced in the gut and released during flatulence, may help lower blood pressure by causing blood vessels to dilate, highlighting a potential link between gut health and cardiovascular health. However, further studies are needed, and the research does not recommend unregulated flatulence or drastic dietary changes.

via Times of India|

#blood-pressure #cardiovascular-health #gas

science-and-technology2 years ago•4 min saved

"Exoplanet with Rotten Egg Odor and Glass Rain Discovered"

Scientists using the James Webb Space Telescope have detected hydrogen sulfide, a molecule that smells like rotten eggs, in the atmosphere of the exoplanet HD 189733b. This discovery marks the first time hydrogen sulfide has been found outside our solar system and provides new insights into the atmospheric composition of exoplanets. HD 189733b, a "hot Jupiter" known for its extreme weather, including glass rain and high temperatures, also contains water, carbon dioxide, and carbon monoxide. The findings, published in Nature, enhance our understanding of exoplanet formation and atmospheric chemistry.

via KSL.com|

#atmospheric-chemistry #exoplanet #hd-189733b

science2 years ago•4 min saved

Scientists Discover Exoplanet with Rotten Egg Stench

Scientists using the James Webb Space Telescope have detected hydrogen sulfide, a molecule that smells like rotten eggs, in the atmosphere of the exoplanet HD 189733b, marking the first time this molecule has been found outside our solar system. This discovery, along with the presence of water, carbon dioxide, and carbon monoxide, provides new insights into the atmospheric composition and formation of gas giant exoplanets. HD 189733b, known for its extreme weather and high temperatures, continues to be a key subject in the study of exoplanetary science.

via KSL.com|

#atmospheric-chemistry #exoplanet #hd-189733b

science2 years ago•1 min saved

"The Surprising Stench of Space: Astronauts Uncover Unpleasant Odors"

Astronomers have determined that Uranus likely smells like farts and rotting eggs due to the presence of hydrogen sulfide gas in its cloud cover, as detected by the Near-Infrared Integral Field Spectrometer. This gas gives off the distinctive smell of rotting eggs, and if humans were to descend into Uranus' atmosphere, they would likely find the smell nauseating. Additionally, researchers believe that Uranus and Neptune may also have ammonia ice in their clouds, contributing to the planet's unique and unpleasant aroma.

via BGR|

#astronomy #hydrogen-sulfide #science

science2 years ago•3 min saved

Devastating Poisonous Gas Wave Wiped Out Half of Earth's Sea Life in First Mass Extinction

A new study suggests that a surge of hydrogen sulfide gas may have played a significant role in the mass extinction event that occurred around 530 million years ago, wiping out 45% of all ocean animals. Previously, it was believed that low-oxygen conditions were the primary cause of the die-off. The researchers found high levels of molybdenum in sediment samples from the extinction period, indicating the presence of hydrogen sulfide in the water. The surge of this toxic gas may have been triggered by an explosion of organic matter, which led to the depletion of oxygen and the subsequent release of hydrogen sulfide. Further research is needed to determine the exact cause of the anoxic conditions and the sulfidic wave that followed.

via Livescience.com|

#cambrian-explosion #fossil-record #hydrogen-sulfide