Tag

Ice Age

All articles tagged with #ice age

science3 days ago•5 min saved

Ancient East Asian Hominins Invented Complex Stone Tools During a Harsh Ice Age

New dating of a Lingjing, China rib crystal shows 146,000-year-old stone cores and flakes were made by an archaic human relative (Homo juluensis) during a harsh ice age, revealing planning and advanced stone‑knapping skills. The calcite dating revises theTools’ age from a warmer period to a cold glacial era, suggesting sophisticated technology arose under environmental stress and indicating broader East Asian implications for Paleolithic innovation.

via ScienceAlert|

#homo-juluensis #human-evolution #ice-age

science1 month ago•5 min saved

Texas Cave Unveils Ice Age Giants Dating to 100,000 Years Ago

Paleontologist John Moretti uncovered a fossil-rich chamber in Central Texas' Bender’s Cave, revealing Ice Age megafauna—giant tortoises, saber-toothed cats, and large armadillo relatives—dating to about 100,000 years ago and providing new clues about a warmer Ice Age climate and the region's ancient ecosystem (findings published in Quaternary Research).

via Indian Defence Review|

#benders-cave #fossils #ice-age

science1 month ago•4 min saved

Ancient Rotifer Awakens After 24,000-Year Permafrost Sleep

A rotifer revived from 24,000-year-old Siberian permafrost not only returned to life but also reproduced, illustrating multicellular cryptobiosis and pushing the boundaries of long-term survival in extreme conditions.

via Indian Defence Review|

#cryptobiosis #ice-age #permafrost

science1 month ago•4 min saved

Ice Age Nomads Used Serbia’s Caves as Seasonal Shelters

New evidence from three caves in Serbia’s Morava River basin shows Ice Age humans used mountain caves as short‑term shelters rather than year‑round homes, suggesting mobile groups moved between inland sites and areas near the Adriatic during 25,000–19,000 years ago. Finds—primarily bladelets and bone tools—indicate diverse tool use and adaptation to harsh conditions, with each site serving a different role in a broader pattern of seasonal movement.

via The Daily Galaxy|

#archaeology #caves #ice-age

science2 months ago•9 min saved

Balloon-Nose Saiga: An Ice Age Adaptation Persists Today

Saiga antelopes rely on their large, inflatable nasal passages to filter dust, humidify cold air, and regulate temperature, a key adaptation for surviving dusty steppe environments since the Ice Age. Despite severe poaching and a 2015 mass die-off, conservation efforts helped their numbers rebound to about two million, though the species remains near threatened. The nose may also aid scent detection and vocal communication during mating and calf-rearing.

via A-Z Animals|

#conservation #dust-filtration #ice-age

science2 months ago•5 min saved

Giant Ice Age Sloths Likely Carved 600-Yard Tunnels Beneath South America

Scientists have mapped hundreds of massive tunnels up to about 6 feet wide and as long as 600 yards across southern Brazil and northern Argentina, arguing they were carved by giant Ice Age sloths rather than humans or natural geological forces. The walls show claw marks and signs of reuse, suggesting these tunnels were maintained over time and serve as trace fossils revealing ancient habitats and megafauna behavior like Megatherium rather than predator activity.

via The Daily Galaxy|

#ice-age #megafauna #paleontology

science2 months ago•5 min saved

Texas Construction Finds Ice Age Giant Sloth Tooth, Shaping Roadwork and History

During an environmental survey for the Loop 88 project in Lubbock, Texas, workers uncovered a tooth from a giant Ice Age ground sloth. Paleontologists from the Museum of Texas Tech University will study the remains, but construction is expected to proceed with minimal delays, illustrating a balance between development and scientific discovery.

via The Daily Galaxy|

#fossils #ground-sloth #ice-age

science2 months ago•4 min saved

Ice-Age Methane Blowout Unearths Arctic 300-Meter Mud Volcano Crater

A UiT-led expedition in the Barents Sea found Borealis Mud Volcano, a 300-meter-wide crater about 25 meters deep formed after late Ice Age methane blowouts. The site, ~400 meters below sea level and ~70 miles south of Bear Island, hosts an active mud-methane vent and a rich chemosynthetic ecosystem, offering insights into methane cycling, ancient geologic processes, and biodiversity, underscoring the need for protection.

via The Daily Galaxy|

#arctic-seabed #borealis-mud-volcano #deep-sea-life

science3 months ago•4 min saved

Ice-Age Underwater World Emerges from Turkey’s Gilindire Cave

Divers descended 560 steps into Gilindire Cave's submerged chamber in Mersin, Turkey, for a 90-minute dive that captured preserved Ice Age formations—stalactites, stalagmites, travertines and cave pearls—highlighting the site’s geology and potential for diving tourism.

via The Daily Galaxy|

#diving #gilindire-cave #ice-age

science3 months ago•7 min saved

Single Ice-Age Toolkit Sheds Light on Ancient Mobility

Archaeologists analyzing the Milovice IV site in Czechia uncovered a packed 29-piece blade bundle dated to roughly 30,250–29,550 years ago, likely the personal gear of one Gravettian hunter. Preserved in a perishable container, the assemblage reveals how a single individual moved, hunted, and managed scarce resources, using tools made from materials sourced over 100 km away and repeatedly recycled. Found with hearths and animal bones, the find offers a rare glimpse into Ice Age mobility and behavior at the individual level.

via The Daily Galaxy|

#archaeology #gravettian #ice-age

science3 months ago•12 min saved

Ancient Wolf Pup Stomach Reveals Woolly Rhino Genome, Shifting Extinction Theory

Researchers analyzed tissue from a 14,000-year-old wolf pup found in Siberia and recovered the woolly rhinoceros genome from its stomach, revealing stable rhino genetics up to extinction and suggesting climate change, not hunting, as the primary driver of the woolly rhino’s disappearance.

via A-Z Animals|

#climate-change #extinction #genome-sequencing

science4 months ago•5 min saved

Global Warming and the Potential for a Future Ice Age

The next ice age is unlikely to begin for at least 50,000 years, with natural climate cycles and human-induced greenhouse gas emissions delaying its onset significantly, potentially up to 500,000 years in the future.

via ScienceNorway|

#climate-cycles #greenhouse-gases #holocene

science5 months ago•4 min saved

Unexplained Massive Tunnels Discovered, Not of Human or Geological Origin

Scientists discovered massive, mysterious tunnels in southern Brazil and northern Argentina, likely dug by extinct giant ground sloths such as Megatherium during the Ice Age, providing new insights into prehistoric animal behavior and their interactions with early humans.

via Earth.com|

#ancient-tunnels #giant-ground-sloths #ice-age

science6 months ago•4 min saved

Scientists Warn of Atlantic Current Collapse Triggering Ice Age and Rising Seas

Scientists warn that climate change could cause the collapse of the Atlantic Meridional Overturning Circulation (AMOC), including the Gulf Stream, within decades, potentially triggering a new ice age and significant sea level rise, with Iceland declaring it a national security threat.

via New York Post|

#amoc #climate-change #gulf-stream

science-and-exploration6 months ago•3 min saved

Legacy of a Martian Ice Age

New images from ESA's Mars Express reveal signs of an ancient ice age on Mars, including glacial flow patterns and features like Coloe Fossae, indicating that the planet experienced significant climate changes and ice coverage during its history, even at mid-latitudes.

via European Space Agency|

#coloe-fossae #glacial-flows #ice-age