BlogArena

General blog about anything and everything of everyday's life.

19. May 2019

February 21, 2013
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Ancient Fossilized Sea Creatures Yield Oldest Biomolecules Isolated Directly from a Fossil

COLUMBUS, Ohio — Though scientists have long believed that complex organic molecules couldn’t survive fossilization, some 350-million-year-old remains of aquatic sea creatures uncovered in Ohio, Indiana, and Iowa have challenged that assumption. The spindly animals with feathery arms—called crinoids, but … Continue reading

May 16, 2012
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UMD Finding May Hold Key to Gaia Theory of Earth as Living Organism

Discovery ultimately could lead to better climate understanding and prediction COLLEGE PARK, Md. Is Earth really a sort of giant living organism as the Gaia hypothesis predicts? A new discovery made at the University of Maryland may provide a key … Continue reading

February 20, 2012
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Building Blocks of Early Earth Survived Collision that Created Moon

COLLEGE PARK, Md. – Unexpected new findings by a University of Maryland team of geochemists show that some portions of the Earth’s mantle (the rocky layer between Earth’s metallic core and crust) formed when the planet was much smaller than … Continue reading

December 3, 2011
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Yale-led Team Finds CO2 Levels Plunged as Antarctica Froze

A Yale University-led research team has found evidence that carbon dioxide levels in Earth’s atmosphere plunged prior to and during the initial icing of Antarctica, about 34 million years ago. The new findings provide further evidence of atmospheric carbon dioxide’s … Continue reading

August 6, 2011
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Six Million Years of African Savanna

*Open, grassy environments accompanied human evolution* Scientists using chemical isotopes in ancient soil to measure prehistoric tree cover–in effect, shade–have found that grassy, tree-dotted savannas prevailed at most East African sites where human ancestors and their ape relatives evolved during … Continue reading