Tag

Extremophiles

All articles tagged with #extremophiles

science9 days ago•5 min saved

Deep-Sea Archaea Survive Extreme Radiation: A Byproduct of Hydrothermal Vent Life

Scientists report Thermococcus gammatolerans, an archaeon living near Guaymas Basin vents, can endure gamma radiation up to 30,000 grays—far more than lethal human doses. Its radiation tolerance isn’t due to extra DNA repair genes but likely arises from the harsh vent environment, which reduces oxidative damage and enables rapid repair, suggesting the trait is a byproduct of hydrothermal-vent life rather than a specialized adaptation.

via ScienceAlert|

#dnarepair #extremophiles #hydrothermalvents

nature15 days ago•1 min saved

Air-bubble armor lets alkali fly survive California's caustic Mono Lake

A BBC Wildlife feature explains how the alkali fly survives the toxic, salty waters of California's Mono Lake by living mostly underwater inside an air bubble, aided by a waxy, water-repellent cuticle; only its eyes touch the liquid, and it feeds on algae with grappling-hook claws, effectively wearing a natural armor for an extreme environment.

via BBC Wildlife Magazine|

#adaptation #alkali-fly #extremophiles

science25 days ago•4 min saved

Earth's Extremophiles Hint at a More Habitable Mars

New experiments show two lichen species, Diploschistes muscorum and Cetraria aculeata, can survive Martian-radiation levels in a vacuum chamber, suggesting some Earth extremophiles might endure Mars-like conditions for future missions; however, liquid water remains a major hurdle, while tardigrades and mosses are also highlighted as potential testers for long-term space exploration.

via The Daily Galaxy|

#extremophiles #lichens #mars

science5 months ago•13 min saved

Tardigrades: The Resilient Creatures That Could Safeguard Humanity

Tardigrades, tiny resilient creatures capable of surviving extreme conditions like space, radiation, and desiccation, are being studied for potential human applications such as protecting against radiation damage, preserving medicines, and aiding space exploration. Their survival mechanisms include specialized proteins and entering a state of suspended animation, offering insights into extreme resilience and biotechnological innovations.

via BBC|

#biotechnology #extremophiles #radiation-resistance

science5 months ago•4 min saved

Microbe Converts Mars Dust to Oxygen, Potential Space Pet

A cyanobacterium called Chroococcidiopsis, capable of surviving extreme space and Earth conditions, including radiation, freezing temperatures, and Martian soil, could be a valuable tool for future space exploration and colonization efforts, especially for producing oxygen and studying extraterrestrial life.

via ScienceAlert|

#astrobiology #chroococcidiopsis #cyanobacteria

science6 months ago•5 min saved

Scientists Discover Vast Ecosystem Beneath Earth's Surface

Scientists have discovered that nearly 70% of Earth's microbial life exists deep underground, in extreme conditions, with a vast ecosystem that may rival surface life in complexity and size, offering new insights into life's resilience and potential existence on other planets.

via Indian Defence Review|

#astrobiology #deep-biosphere #earths-carbon-storage

science6 months ago•13 min saved

Chasing the Unimaginable in Life's Pursuit

Karen Lloyd studies microbes living deep beneath the Earth's surface, revealing their extraordinary survival capabilities, including living for hundreds of thousands to millions of years, which expands our understanding of life's limits and resilience in extreme environments.

via Quanta Magazine|

#biosphere #earths-crust #extremophiles

science6 months ago•4 min saved

Small Animal's Potential to Aid Human Mars Colonization

Tardigrades, tiny resilient animals, possess unique proteins like Dsup that protect their DNA from extreme radiation and environmental stresses, making them promising models for enhancing human space travel safety and developing resilient crops and medical supplies. Their ability to survive harsh conditions could inform future Mars colonization efforts and biotechnological applications on Earth.

via Earth.com|

#dsup-protein #extremophiles #radiation-protection

science8 months ago•2 min saved

Scientists Discover Unexplained Mysterious Lifeform

Scientists discovered mysterious tube-like structures in desert rocks of Namibia, Oman, and Saudi Arabia that do not match known geological processes, suggesting they may be formed by an unknown microbial life, possibly from ancient times, though their current existence remains uncertain.

via The Daily Galaxy|

#extremophiles #fossil-discovery #geological-structures

science9 months ago•3 min saved

Super Natural: Creatures That Survive Anywhere

The article explores extraordinary creatures like extremophiles, tardigrades, and deep-sea species that survive in extreme environments on Earth, highlighting their resilience and the impact of human pollution, such as plastic, on these ecosystems, while emphasizing the enduring nature of life.

via The Guardian|

#deep-ocean-life #extremophiles #movile-cave

science-and-technology1 year ago•6 min saved

"NASA's Sunscreen Breakthrough: Immortal Bacteria Holds the Key"

NASA discovered a resilient bacteria, bacillus pumilus, that survived exposure to cosmic radiation, leading to its use in boosting SPF in sunscreens. The bacteria was discovered by a scientist who decontaminates spacecraft bound for Mars, and its UV resistance is now being leveraged by a Massachusetts-based company, Delavie Sciences, to create a new ingredient for sunscreen. This discovery has led to the development of skincare products and has potential applications in activating skin cells' production of hyaluronic acid. The bacteria's use in sunscreen has shown to increase SPF by 22 to 33 percent, and the company is now exploring other extremophiles for potential commercialization, emphasizing the significant contributions of NASA in this field.

via Mashable|

#bacteria #extremophiles #nasa

science-and-environment1 year ago•3 min saved

"Discovery of New Species in Great Salt Lake Alters Ecosystem Understanding"

Scientists have discovered a third form of multicellular life, nematodes, in the Great Salt Lake, challenging the long-held belief that only brine shrimp and brine flies inhabited the ultra-saline waters. These worms, found in microbialites on the lake bed, are uniquely adapted to the extreme salinity and may be at risk of disappearing as the lake's water levels decrease due to human usage and climate change. The study highlights the urgent need to understand and protect this unique ecosystem before it collapses completely.

via ScienceAlert|

#ecosystem-collapse #extremophiles #great-salt-lake

science1 year ago•2 min saved

"Discovery of New Species in Great Salt Lake Alters Ecosystem Understanding"

Researchers at the University of Utah have discovered thousands of roundworms, or nematodes, living in the Great Salt Lake's reeflike structures, marking the first known presence of these creatures in the lake. The saltiest environment where these worms have been found, the discovery raises questions about the limits of animal life and their adaptability to extreme conditions. The study's findings suggest that the worms are highly adaptive to their environment, surviving on the lake's bacteria despite the extreme salinity. This discovery sheds light on the lake's unique ecosystem and the potential for finding complex multicellular life in extreme environments, sparking further research into the mechanisms of their adaptability.

via Newsweek|

#extremophiles #great-salt-lake #nematodes

science2 years ago•3 min saved

"Unveiling the Bizarre Ecosystem Thriving in Old Faithful's Boiling Depths"

Researchers have discovered that the hydrothermal features of Yellowstone National Park, including its geysers, are home to a diverse range of microbial life. Despite the extreme conditions, such as boiling water and volatile eruptions, these geysers provide a unique habitat for microorganisms. The study found that certain heat-loving bacteria species, such as Thermocrinis, make up a significant portion of the microbial population in Old Faithful, one of Yellowstone's most famous geysers. The findings have implications for astrobiology, as they suggest that similar extreme environments on other planets, such as Saturn's moon Enceladus and Jupiter's moon Europa, could potentially support microbial life.

via The New York Times|

#astrobiology #extremophiles #geysers

science-and-environment2 years ago•1 min saved

Thriving Ecosystems Found at Spectacular Hydrothermal Vents

A recent expedition to locate hydrothermal vents along the Mid-Atlantic Ridge near Puerto Rico yielded a new find: a group of “black smoker” vents emitting water of 645 degrees Fahrenheit. The hot spring-like structures occur where the Earth’s plates converge and spread, and are biodiversity hot spots that teem with ocean life that has adapted to temperatures of over 700 degrees. The expedition used a variety of mapping techniques to find the vents, along with a remotely operated vehicle called SuBastian that collected images, measurements and samples from the deep ocean floor.

via The Washington Post|

#biodiversity #extremophiles #hydrothermal-vents