Tag

Decomposition

All articles tagged with #decomposition

science1 year ago•3 min saved

The Science of Space Decomposition: What Happens to a Body?

Decomposition in space differs significantly from Earth due to the absence of oxygen, extreme temperatures, and cosmic radiation, which slow down the process and can preserve bodies for extended periods. Bacterial activity is limited without oxygen, and the vacuum of space alters cellular processes. The location in space, such as low Earth orbit versus deep space, affects decomposition rates due to varying environmental conditions. Understanding these processes is crucial for managing space debris and addressing ethical considerations for human remains in space exploration.

via The Daily Galaxy --Great Discoveries Channel|

#bacteria #cosmic-radiation #decomposition

health1 year ago•4 min saved

Hospice Nurse Shares Insights on Post-Mortem Changes

Hospice Nurse Julie aims to demystify the process of dying by educating the public on what happens to the human body after death. Through her YouTube channel, she explains the stages of decomposition, including hypostasis, autolysis, rigor mortis, and putrefaction. Julie emphasizes the naturalness of these processes, highlighting the body's relaxation, temperature changes, and eventual breakdown. Her goal is to reduce fear and stigma around death by providing clear, factual information.

via Daily Mail|

#death #decomposition #education

environment1 year ago•2 min saved

Spain Grapples with Deadly Floods and Health Concerns Amidst Political Tensions

In southeastern Spain, the aftermath of severe flooding has left towns submerged in mud and stagnant water, causing a foul stench and raising health concerns. The decomposition of organic matter, including dead animals, is producing a variety of unpleasant odors. While health officials have not reported any outbreaks, they warn of potential gastrointestinal and respiratory issues. Residents are wearing masks and gloves during cleanup efforts, and protests are planned against the perceived inadequate response by authorities.

via Barron's|

#decomposition #environment #floods

environment1 year ago•2 min saved

Whale Carcass Left to Decompose on Fife Beach for Nine Months

A dead fin whale that washed ashore near Culross, Fife, in January is being left to decompose naturally, serving as a food source for local wildlife. The Fife Coast and Countryside Trust decided against moving the carcass due to its location and potential disruption. While the whale is in advanced decomposition stages, some local residents have complained about the smell. Authorities have warned the public to avoid crossing the railway line to view the carcass.

via BBC.com|

#decomposition #environment #fife

science2 years ago•4 min saved

"The Remarkable Preservation of Dinosaur Bones: Unraveling the Mystery"

Fossilized dinosaur bones can endure for millions of years due to fossilization, where the animal is quickly encased in sediment and minerals replace organic materials within the bone. Soft tissues typically decompose fairly quickly, and the decomposition ecosystem plays a role in breaking down animal remains. Fossils can be any trace or remains of past life, not just bones, and animal bones eventually decompose after several years.

via IFLScience|

#decomposition #dinosaur-bones #fossilization

science2 years ago•2 min saved

"The Universal Microbial Network of Decomposing Bodies"

A recent study on decomposing bodies found that human flesh contains rare but consistently present bacteria and fungal decomposers, regardless of location, climate, or season. The study, which buried 36 bodies in different locations, revealed that the decomposition process and the selection of microbes remain consistent. Researchers hope these findings will enhance understanding of ecosystem function, aid forensic science in determining time of death, and contribute to modeling carbon and nutrient budgets in both human and animal corpses.

via UNILAD|

#decomposition #ecosystem #forensic-science

space-exploration2 years ago•3 min saved

"The Fate of a Corpse in Outer Space"

If an astronaut were to die in space and their body were released, it would undergo a series of changes. In the vacuum of space, bodily fluids would vaporize, and the remaining water would freeze, preserving the body in a mummified state. Bacteria could survive and begin to digest the body, and powerful radiation would cause further degradation. The body would orbit in space and could potentially collide with space debris, but eventually, it would be drawn back to Earth by gravity and burn up upon reentry. NASA is developing procedures for handling mortality in space, including the possibility of space burial and the use of a body bag to preserve remains.

via Livescience.com|

#astronauts #decomposition #nasa

science2 years ago•1 min saved

"The Microbial Signature of Death: Uncovering Clues for Forensic Science"

New research published in Nature Microbiology reveals that all corpses share similarities in microbial networks regardless of their origin, as they contain bacteria and fungal decomposers essential to the natural world. The study, which involved burying 36 donated corpses in different locations, found that all samples featured the same selection of microbes, suggesting that insects could play a role in carrying these microbes to decomposing human and animal remains. This discovery sheds light on the intricate ecosystem of decomposition and its role in plant production.

via indy100|

#dead-bodies #decomposition #microbial-networks

environment2 years ago•2 min saved

"Endangered Fin Whale Found Dead on Oregon Beach Left to Decompose"

A 46-foot fin whale washed ashore on an Oregon beach, providing a rare educational opportunity as it decomposes, though caution is advised due to potential disease transmission. The whale, entangled in rope before someone removed it, was not killed by the entanglement. A necropsy will determine the cause of death, and the natural decomposition process will provide nutrients to the local environment. This approach contrasts with a 1970 incident where officials used dynamite to dispose of a beached whale, causing widespread damage.

via The Associated Press|

#decomposition #environment #environmental-impact

forensic-science2 years ago•4 min saved

"Uncovering the Microbial Secrets of Decomposing Corpses for Forensic Science"

A study published in Nature Microbiology reveals that the microbiome of decomposing human corpses contains a consistent profile of around 20 key decomposers, regardless of location, climate, or season. These microbes, a mix of bacteria and fungi, appear in a wave-like fashion during the 21-day decomposition period, and a machine learning model using their abundances can calculate the postmortem interval with high accuracy. The findings could aid forensic investigations, although further research is needed for real-world application, especially in scenarios such as buried or submerged bodies.

via Livescience.com|

#decomposition #dna #forensic-science

environment2 years ago•2 min saved

"Endangered 46-Foot Whale Washes Up on Oregon Coast, Experts to Monitor Natural Decomposition"

A 46-foot fin whale found dead on the Oregon coast will be left to decompose, providing a nutrient boost for the environment and food for scavengers. Beachgoers are warned not to touch the carcass due to potential disease transmission, and interfering with stranded whales can compromise research efforts. A necropsy revealed fresh wounds from orcas and severe underweight, with final results expected in several weeks. This is the first stranded fin whale on the Oregon coast in at least 10 years, contributing to a larger trend of declining whale populations on the West Coast and Alaska.

via OregonLive|

#decomposition #environment #environmental-impact

science2 years ago•1 min saved

"The Conserved Microbial Network in Decomposing Bodies: Transforming Forensic Science"

Scientists have discovered that all corpses share similarities in microbial networks regardless of their origin, as revealed by new research published in Nature Microbiology. The study involved burying 36 donated corpses in different locations, all of which exhibited the same selection of microbes during decomposition. These microbes play a crucial role in the natural world by breaking down corpses and contributing to the "decomposition ecosystem."

via indy100|

#dead-bodies #decomposition #microbial-networks

science2 years ago•102 min saved

"Conserved Microbial Network Unveils Clues for Forensic Science"

Researchers have discovered a universal network of microbes that respond to cadaver decomposition, despite variations in climate, location, and season. The study used multi-omic data to reveal that a conserved interdomain soil microbial decomposer network assembles in response to mammalian remains, with evidence of increased metabolic efficiencies to process lipid- and protein-rich compounds. Key members of the microbial decomposer network are associated with various mammalian carrion, suggesting that they are not human-specific. The findings have implications for forensic science, agriculture, sustainability, and the human death care industry.

via Nature.com|

#cadaver #decomposition #microbial-ecology

science2 years ago•4 min saved

"Universal Microbial Network Unveiled in Decomposing Corpses"

Forensic scientists have identified a "universal network" of around 20 microbes that drive the decomposition of dead animal flesh, providing valuable clues for determining the time of death of human remains. The study, funded by the National Institute of Justice, conducted outdoor experiments on 36 human cadavers at different facilities and found that these microbes exhibited predictable patterns regardless of outdoor variables. The research could help improve the accuracy of estimating the time of death and aid in forensic investigations, potentially leading to better predictive models for time of death based on microbial activity.

via Ars Technica|

#decomposition #forensic-science #microbes

home-and-garden2 years ago•3 min saved

"The Science Behind Using Urine to Accelerate Tree Stump Decay"

Urine can indeed help a tree stump rot faster due to its nitrogen content, which aids in speeding up the decomposition process by feeding the decay fungi and microbes. To use urine effectively, make significant cuts across the base of the stump, drill deep holes, fill the holes, cover the top of the stump with soil and compost, and douse it with urine daily. This method, although not the fastest, can take a few months to a few years depending on the size of the stump, and has been successful for many.

via House Digest|

#decay #decomposition #home-and-garden