Tag

High Altitude

All articles tagged with #high altitude

science1 day ago•6 min saved

Tiny mouse thrives at 6,700 meters, challenging altitude limits

A tiny Andean leaf-eared mouse (Phyllotis vaccarum) lives above 6,700 meters—the highest record for any mammal—thanks to enhanced thermogenic capacity and more efficient mitochondrial energy use under hypoxic conditions. The population shows little genetic structure across sea level to the summits, implying ongoing gene flow. Genomic analyses reveal selection on genes for lipid oxidation, mitochondrial function, and toxin processing, suggesting adaptation to diverse elevations and diets. Understanding these mechanisms could inform human health research into oxygen deprivation and related diseases.

via The Times of India|

#adaptation #andean-leaf-eared-mouse #genomics

archaeology1 month ago•13 min saved

Pyrenees cave reveals 4,000 years of copper work at extreme altitude

In a high-altitude Pyrenees cave (2,235 m) called Cova 338, archaeologists found 23 fire pits, malachite fragments, pottery, bones, and ornaments—plus remains of a child—showing repeated, organized visits over more than 4,000 years (from the late Neolithic to the Bronze Age). The site appears to have been used to heat and process copper-bearing rock, not necessarily smelted there, indicating sophisticated resource extraction and knowledge transfer in an otherwise remote location. Future work aims to confirm ore sources and the full metallurgical sequence.

via Space Daily|

#archaeology #copper #high-altitude

history-and-archaeology1 month ago•5 min saved

High-Pyrenees Cave Reveals 5,500-Year Copper-Processing Camp

A high-altitude Pyrenees cave, Cova 338, shows a 5,500–6,000-year pattern of seasonal copper processing with 23 hearths and malachite fragments, indicating deliberate mining at altitude by Iberian communities; the site also yielded a child's remains and unique ornaments, highlighting complex alpine mobility and trade.

via Ancient Origins|

#archaeology #copper-smelting #high-altitude

science1 month ago•5 min saved

32-Color Himalayan Spider Echoes Hawaii’s Happy-Face Pattern

A Himalayan spider discovered in Uttarakhand, Theridion himalayana, exhibits 32 color morphs and mirrors Hawaii’s iconic happy-face pattern, illustrating convergent evolution across distant ecosystems. Genetic analysis shows an 8.5% difference from the Hawaiian species, placing the new spider on a distinct evolutionary path. Found above 2,000 meters and often on Hedychium plants, the discovery—published in Evolutionary Systematics—came about accidentally during ant surveys, and the purpose of the patterns remains under investigation.

via Indian Defence Review|

#evolution #high-altitude #himalayas

science3 months ago•42 min saved

Yak Gene Linked to Myelin Repair Could Shape MS Treatments

A study links a Tibetan high-altitude gene mutation (Retsat) found in yaks to improved myelin protection and rapid repair in a mouse model, via elevated ATDR (a vitamin A metabolite) that promotes oligodendrocyte maturation, pointing to potential MS therapies using existing biological pathways.

via Good News Network|

#atdr #genetics #high-altitude

world6 months ago•6 min saved

Behind the Scenes of Filming 60 Minutes on Mount Everest

A 60 Minutes crew, including correspondent Cecilia Vega, undertook a challenging 10-day ascent to Everest Base Camp to film a story, facing extreme physical and environmental challenges, including altitude sickness, avalanches, and the need for extensive preparation and local support.

via CBS News|

#60-minutes #filming #high-altitude

science9 months ago•0 min saved

Bats Hunt and Eat Birds Midair, Revealing a Fierce Predatory Behavior

Scientists have documented for the first time a bat, specifically the greater noctule bat in Europe, catching and eating a bird in midair during migration, revealing an unexpected predator of high-altitude migrating birds.

via The New York Times|

#bats #greater-noctule-bat #high-altitude

world1 year ago•3 min saved

Chinese Paraglider Survives Unexpected 28,000-Foot Flight

Chinese paraglider Peng Yujiang survived a dangerous ascent to 8,598 meters without oxygen after being lifted by a powerful updraft in the Qilian Mountains, controlling his glider with a compass and radio despite freezing conditions, and is now taking a break from flying. The incident raises concerns about the risks of updrafts in paragliding, with investigations ongoing into the authenticity of footage shared online.

via CNN|

#accident #china #high-altitude

world1 year ago•1 min saved

Chinese Paraglider's 28,000-Foot Flight Sparks Controversy and AI Allegations

A Chinese paraglider survived being accidentally lifted to 28,208 feet without oxygen in a powerful updraft, experiencing a terrifying ordeal inside a cloud system, and was subsequently suspended from flying for six months.

via CBS News|

#accident #china #high-altitude

world1 year ago•1 min saved

Chinese Paraglider Accidentally Reaches Near-Record Heights of 28,000 Feet

A Chinese paraglider unintentionally reached nearly 28,200 feet in the Gansu province, nearly Everest's height, after intending only to test equipment, resulting in frostbite and a six-month ban from the sport.

via The New York Times|

#accident #china #high-altitude

world1 year ago•2 min saved

Chinese Paraglider Survives Harrowing 8,600-Meter High-Altitude Flight

A Chinese paraglider accidentally soared over 8,000 meters above the clouds due to a strong updraft, surviving the ordeal but facing a six-month ban for unregistered flight and sharing the viral video. The incident highlights the dangers of unplanned high-altitude flights and regulatory issues.

via The Guardian|

#accident #china #high-altitude

world1 year ago•0 min saved

Chinese Paraglider Survives Near-Record 8,600-Meter High-Altitude Flight

A Chinese paraglider, Peng Yujiang, was sucked into a dangerous cloud vortex at nearly 8,600 meters altitude in northwestern China, surviving a harrowing experience that involved extreme cold and high winds, and was subsequently punished by local authorities. The incident drew disbelief and social media attention in China.

via South China Morning Post|

#china #high-altitude #paraglider

world1 year ago•3 min saved

Miraculous Survival of Paraglider Sucked 8,598 Meters into Freezing Sky

A paraglider in China was sucked five miles into the sky during a rare cloud suction, enduring extreme cold and frostbite at over 28,000 feet, but miraculously survived and safely landed, though authorities are investigating his flight for regulatory violations.

via The US Sun|

#china #high-altitude #paragliding

entertainment2 years ago•2 min saved

"Nick Swardson's Comedy Show Chaos: Alcohol, Edibles, Altitude Blamed"

Comedian Nick Swardson blames a mix of alcohol, edibles, and high altitude for his early exit from a comedy gig in Beaver Creek, Colo. Video footage showed Swardson's erratic behavior and the audience's negative reaction, leading to the show being cut short and refunds being issued to ticket holders. Swardson later apologized on social media and promised to make it up to the Beaver Creek audience.

via Entertainment Weekly News|

#alcohol #comedy #edibles

security2 years ago•2 min saved

"US Military Intercepts High-Altitude Balloon Over Western US, Deems It Non-Threatening"

NORAD intercepted a 50-foot high-altitude balloon flying over Utah at 43,000-45,000 feet, determining it to be non-maneuverable and not a threat to national security. The balloon, with an unknown payload, was allowed to continue flying above the U.S. after coordination with the FAA. Its origins and purpose remain unclear, but the incident follows the previous tracking and shootdown of a Chinese spy balloon, leading to increased detection and interception of high-altitude balloons by NORAD.

via ABC News|

#balloon-interception #faa #high-altitude