News tagged with geologic time period
Humans and climate contributed to extinctions of large ice-age mammals, study finds
the woolly rhinoceros, woolly mammoth, wild horse, reindeer, bison, and musk ox -- is the subject of a study by an international group of scientists investigating how climate fluctuations and human activity ...
Nov 02, 2011 |
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China fossil shows bird, crocodile family trees split earlier than thought
A fossil unearthed in China in the 1970s of a creature that died about 247 million years ago, originally thought to be a distant relative of both birds and crocodiles, turns out to have come from the crocodile ...
Other Sciences / Archaeology & Fossils
May 18, 2011 |
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The age of Aquarius? Nope, it's the Anthropocene epoch
In just two centuries, humans have wrought such vast and unprecedented changes to our world that we actually might be ushering in a new geological time period that could alter the planet for millions of years, ...
Apr 14, 2010 |
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'Rosetta Stone' of supervolcanoes discovered in Italian Alps
Scientists have found the "Rosetta Stone" of supervolcanoes, those giant pockmarks in the Earth's surface produced by rare and massive explosive eruptions that rank among nature's most violent events. The eruptions produce ...
Space & Earth / Earth Sciences
Sep 21, 2009 |
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Search results for geologic time period
Zircon crystals reveal onset of plate tectonics
(Phys.org) -- We're familiar with the theory that the Earth's crust is composed of tectonic plates that move, sometimes dramatically to create earthquakes and tsunamis - but until recently, nobody knew how ...
Space & Earth / Earth Sciences
10 hours ago |
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Prehistoric cold case links humans to Tasmanian megafauna extinctions
A team of Australian and New Zealand researchers have discovered fresh evidence that could finally unravel the mystery of what killed Tasmania's giant marsupials over 40,000 years ago.
Other Sciences / Archaeology & Fossils
May 28, 2012 |
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Looking out for the Myanmar snub-nosed monkey
A new genetic study has shed light on how the newly discovered Myanmar snub-nosed monkey evolved.
May 25, 2012 |
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New model of geological strata may aid oil extraction, water recovery and Earth history studies
(Phys.org) -- A Sandia modeling study contradicts a long-held belief of geologists that pore sizes and chemical compositions are uniform throughout a given strata, which are horizontal slices of sedimentary ...
Space & Earth / Earth Sciences
May 23, 2012 |
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Geological record shows air up there came from below
(Phys.org) -- The influence of the ground beneath us on the air around us could be greater than scientists had previously thought, according to new research that links the long-ago proliferation of oxygen ...
Space & Earth / Earth Sciences
May 23, 2012 |
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Squid ink from Jurassic period identical to modern squid ink, study shows
(Phys.org) -- An international team of researchers, including a University of Virginia professor, has found that two ink sacs from 160-million-year-old giant squid fossils discovered two years ago in England ...
Other Sciences / Archaeology & Fossils
May 21, 2012 |
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Seeking signs of life at the glacier's edge
Microbes living at the edges of Arctic ice sheets could help researchers pinpoint evidence for similar microorganisms that could have evolved on Mars, the Jovian moon Europa, or Saturn's moon Enceladus.
Space & Earth / Earth Sciences
May 17, 2012 |
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MBARI discovers new deep-sea hydrothermal vents using sonar-mapping robot
“As the remotely operated vehicle (ROV) descended into the blue depths above the Alarcón Rise, the control room was abuzz with anticipation," wrote MBARI geologist Julie Martin in her April 22nd cruise log. "Today we [are] planning to dive on one of the strangest envi ...
Space & Earth / Earth Sciences
May 14, 2012 |
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37,000 years old: Earliest form of wall art discovered
Anthropologists working in southern France have determined that a 1.5 metric ton block of engraved limestone constitutes the earliest evidence of wall art. Their research, reported in the most recent edition of the Proceedings of ...
Other Sciences / Archaeology & Fossils
May 14, 2012 |
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Tracking nutrient pollutant in Chesapeake
Too much of a good thing can kill you, the saying goes.
May 10, 2012 |
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List of search results for geologic time period
