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News tagged with earths age

Scientists use rare mineral to correlate past climate events in Europe, Antarctica

The first day of spring brought record high temperatures across the northern part of the United States, while much of the Southwest was digging out from a record-breaking spring snowstorm. The weather, it seems, has gone ...

Space & Earth / Earth Sciences

created Mar 21, 2012 | popularity 4.5 / 5 (4) | comments 0

New Zealand team finds early plant arrivers dominated landscape

(PhysOrg.com) -- It seems intuitive that not all plant species could have taken a foothold on land at the same time all those millions of years ago as conditions on Earth evolved to the point where they could survive; some ...

Biology / Ecology

created Feb 09, 2012 | popularity not rated yet | comments 0 | with audio podcast report

Of orbits and ice ages: Researcher confirms that axis shifts help to propel temperature changes

Though it was first suggested well over a century ago, the hypothesis that changes in Earth’s orientation relative to its orbit influence the growth and decline of ice sheets was only recently tested.

Space & Earth / Earth Sciences

created Jan 11, 2012 | popularity 5 / 5 (7) | comments 3 | with audio podcast

In hot water: Ice Age findings forecast problems

(PhysOrg.com) -- The first comprehensive study of changes in the oxygenation of oceans at the end of the last Ice Age (between about 10 to 20,000 years ago) has implications for the future of our oceans under global warming. ...

Space & Earth / Earth Sciences

created Dec 20, 2011 | popularity 3.5 / 5 (8) | comments 5 | with audio podcast

Seeking a pot of geological gold

Researchers are moving a step closer to solving one of the greatest murder mysteries of all time. It happened roughly 200 million years ago, marking the boundary between the Triassic and Jurassic periods, ...

Space & Earth / Earth Sciences

created Dec 16, 2011 | popularity 5 / 5 (5) | comments 3

The Bronze Age - now in 3D

(PhysOrg.com) -- The world will get its first glimpse of one of the most significant later Bronze Age sites ever recorded in Britain today, yielding a rare and extraordinarily detailed view of life 3,000 years ...

Other Sciences / Archaeology & Fossils

created Dec 12, 2011 | popularity 5 / 5 (1) | comments 0

Lie of the land beneath glaciers influences impact on sea levels

Fresh research into glaciers could help scientists better predict the impact of changing climates on global sea levels.

Space & Earth / Earth Sciences

created Jul 12, 2011 | popularity not rated yet | comments 1

Study debunks theory on end of 'Snowball Earth' ice age

A team of scientists led by researchers from Caltech report in this week's issue of the journal Nature that the rocks on which much of a theory on how the "Snowball Earth" ice age ended was based were formed ...

Space & Earth / Earth Sciences

created May 25, 2011 | popularity 4.6 / 5 (14) | comments 25 | with audio podcast

Mini black holes that look like atoms could pass through Earth daily

(PhysOrg.com) -- In a new study, scientists have proposed that mini black holes may interact with matter very differently than previously thought. If the proposal is correct, it would mean that the time it ...

Physics / General Physics

created May 13, 2011 | popularity 4.8 / 5 (24) | comments 62 | with audio podcast report

Ancient Hawaiian glaciers reveal clues to global climate impacts

Boulders deposited by an ancient glacier that once covered the summit of Mauna Kea on the island of Hawaii have provided more evidence of the extraordinary power and reach of global change, particularly the ...

Space & Earth / Earth Sciences

created Aug 05, 2010 | popularity 4.4 / 5 (14) | comments 3 | with audio podcast

Students' perceptions of Earth's age influence acceptance of human evolution, says study

High school and college students who understand the geological age of the Earth (4.5 billion years) are much more likely to understand and accept human evolution, according to a University of Minnesota study published in ...

Biology / Evolution

created Mar 10, 2010 | popularity 3.8 / 5 (15) | comments 45 | with audio podcast

Long debate ended over cause, demise of ice ages -- may also help predict future

Researchers have largely put to rest a long debate on the underlying mechanism that has caused periodic ice ages on Earth for the past 2.5 million years - they are ultimately linked to slight shifts in solar radiation caused ...

Space & Earth / Earth Sciences

created Aug 06, 2009 | popularity 4.5 / 5 (24) | comments 63

Critical turning point can trigger abrupt climate change

Ice ages are the greatest natural climate changes in recent geological times. Their rise and fall are caused by slight changes in the Earth's orbit around the Sun due to the influence of the other planets. But we do not know ...

Space & Earth / Earth Sciences

created Apr 20, 2009 | popularity 4.6 / 5 (58) | comments 9

New Ice Age maps point to climate change patterns

(PhysOrg.com) -- New climate maps of the Earth’s surface during the height of the last Ice Age support predictions that northern Australia will become wetter and southern Australia drier due to climate change.

Space & Earth / Earth Sciences

created Jan 19, 2009 | popularity 3.8 / 5 (10) | comments 3