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  1. /
  2. ice age
Home»Posts tagged with»ice age

Warm Oceans Helped First Human Migration From Asia to North America

By UW News Staff on Dec 19, 2020   Featured, The Arctic and Alaska Science  

Warm Oceans Helped First Human Migration From Asia to North America

New research reveals significant changes to the circulation of the North Pacific and its impact on the initial migration of humans from Asia to North America. The international study, led by the University of St. Andrews in Scotland and published Dec. 9 in Science Advances, provides a new picture of the circulation and climate of the […]

What Killed the World’s Giants?

By Ned Rozell | Geophysical Institute on Nov 27, 2019   Featured, The Arctic and Alaska Science  

What Killed the World’s Giants?

Most of the large animals that have walked the surface of Earth are no longer here. Why? Dan Mann thinks it’s because our recent climate has been too stable, at least when compared to the wacky ups and downs of the last ice age. Mann, a University of Alaska Fairbanks professor, presented his idea at […]

Mummy Squirrel Tells of a Different Alaska

By Ned Rozell | Geophysical Institute on Aug 23, 2019   Featured, The Arctic and Alaska Science  

Mummy Squirrel Tells of a Different Alaska

  Image: This mummified ground squirrel, curled up at lower right in its nesting material, lived in Alaska about 20,000 years ago. Photo by Ben Gaglioti One fall day in Interior Alaska, a lion stalked a ground squirrel that stood at attention on a hillside. The squirrel noticed bending blades of grass, squeaked an alarm […]

Along Alaska’s Pacific coast, early humans could have migrated to the Americas

By AAAS on May 30, 2018   Featured, The Arctic and Alaska Science  

Along Alaska’s Pacific coast, early humans could have migrated to the Americas

New dating of rocks and reanalysis of animal bones from islands along the shore of southeastern Alaska suggests that a narrow corridor between the Pacific Ocean and the Cordilleran Ice Sheet (CIS) in Alaska may have enabled the migration of humans to the Americas as early as 17,000 years ago. While the data imply that […]

Whales Only recently Evolved into Giants when Changing Ice, oceans Concentrated Prey

By Ryan Lavery | Smithsonian Institute on May 24, 2017   At Sea, Featured, Science/Education  

Whales Only recently Evolved into Giants when Changing Ice, oceans Concentrated Prey

The blue whale, which uses baleen to filter its prey from ocean water and can reach lengths of over 100 feet, is the largest vertebrate animal that has ever lived. On the list of the planet’s most massive living creatures, the blue whale shares the top ranks with most other species of baleen whales alive […]

Study Reveals How Diet Shaped Human Evolution

By AFTAU on Mar 30, 2016   Featured, Science/Education  

Study Reveals How Diet Shaped Human Evolution

Homo sapiens, the ancestor of modern humans, shared the planet with Neanderthals, a close, heavy-set relative that dwelled almost exclusively in Ice-Age Europe, until some 40,000 years ago. Neanderthals were similar to Homo sapiens, with whom they sometimes mated — but they were different, too. Among these many differences, Neanderthals were shorter and stockier, with […]

‘Red Deer Cave People’ Bone Points to Mysterious Species of Pre-Modern Human

By Deborah Smith | UNSW Science Media on Dec 18, 2015   Featured, Science/Education  

‘Red Deer Cave People’ Bone Points to Mysterious Species of Pre-Modern Human

  Sydney — A thigh bone found in China suggests an ancient species of human thought to be long extinct may have survived until as recently as the end of the last Ice Age. The 14,000 year old bone — found among the remains of China’s enigmatic ‘Red Deer Cave people’ — has been shown […]

Ice-Age Lesson: Large Mammals Need Room to Roam

By Meghan Murphy | UAF on Nov 3, 2015   Featured, The Arctic and Alaska Science  

Ice-Age Lesson: Large Mammals Need Room to Roam

A study of life and extinctions among woolly mammoths and other ice-age animals suggests that interconnected habitats can help Arctic mammal species survive environmental changes. The study appears online Nov. 2 in the Proceedings of the National Academy of Sciences. Short periods of warm climate in the midst of the last ice age triggered boom-and-bust cycles in the populations of large mammals in […]

Washington, D.C., Sinking Fast, Adding to Threat of Sea-Level Rise

By Joshua E. Brown | University of Vermont on Jul 29, 2015   Featured, National, Science/Education  

Washington, D.C., Sinking Fast, Adding to Threat of Sea-Level Rise

New research confirms that the land under the Chesapeake Bay is sinking rapidly and projects that Washington, D.C., could drop by six or more inches in the next century—adding to the problems of sea-level rise. This falling land will exacerbate the flooding that the nation’s capital faces from rising ocean waters due to a warming […]

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