Posts Tagged ‘Million Years’

Siberian volcanic eruptions caused extinction 250 million years ago, new evidence shows

The Great Permian Extinction, which occurred approximately 250 million years ago, was caused by massive volcanic eruptions that led to significant environmental changes, new evidence shows.

Origin of diaphragm pushed back about 50 million years

From ScienceDaily: The researchers conclude that already the least common ancestor of caseids and mammals had a diaphragm more than 300 million years ago — that is about 50 million years earlier than previously assumed. An efficient respiratory system is intertwined with the evolution of warmbloodedness, which in turn molded our entire behavior. This assumed […]

How a continent collision built the Appalachian mountains

The process that built the Appalachian Mountains 300 million years ago is similar to the […]

The post How a continent collision built the Appalachian mountains appeared first on Futurity.

Soil micro-organisms older than thought

Researcher: With cell densities of over 1,000 per square millimeter and a diversity of producers and consumers, these microfossils represent a functioning terrestrial ecosystem, not just a few stray cells. From ScienceDaily: “Life was not only present but thriving in soils of the early Earth about two thirds of the way back to its formation […]

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