Posts Tagged ‘Great Oxygen Event’

Ancient Fungal Clues


Ancient Fungal Clues

Ancient fungal clues recently discovered off the coast of South Africa further stretch the boundaries of the theory of evolution. Birger Rasmussen, a geology professor at the Western Australian School of Mines, was drilling at a depth of 2,600 feet for the purpose of dating the ancient submarine lava in the Ongeluk Formation estimated to be 2.4 billion years old in Northern Cape Province of South Africa when he unexpectedly noticed what appeared to be microfilaments (pictured).

“I was startled to find a dense mesh of tangled fossilized microbes,” Rasmussen said in an interview with LiveScience writer Jerry Redfern last month. To Marlowe Hood writing for Phys.org, Rasmussen recalled that “My attention was drawn to a series of petrified gas bubbles, and when I increased the magnification of the microscope, I was startled.” The bubbles were “filled with hundreds of exquisitely preserved filaments that just screamed ‘life.’” In the words of Science Alert writer Peter Dockrill, “It’s raising some big evolutionary questions.” Continue Reading

Oxygen, Evolution’s Achilles Heel

Earth Atmosphere

Oxygen, Evolution’s Achilles Heel

Oxygen is one of life’s most essential atomic elements. As molecular biologist Michael Denton highlights in his book “Nature’s Destiny, How the Laws of Biology Reveal Purpose in the Universe,” oxygen is the key element for “one of the most important chemical reactions on Earth.”

While oxygen is the third most abundant chemical element in the universe, after hydrogen and helium, oxygen is the most abundant chemical element by mass in the Earth’s biosphere, air, sea and land adding one more agonizing Achilles Heel to the theory of evolution.

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Oxygen, the Scourge of Evolution

OxygenThe scourge of evolution has re-emerged−this time with renewed vengeance.  Scientists have long known that extremely low levels of free-oxygen [< 10-5] atmosphere on early Earth is critical for any viable origin of life model of evolution.

Atmospheric concentration of oxygen in the origin of life controversy stems the laws of organic chemistry. The autonomous assembly of complex organic molecules has only been observed in an oxygen-free atmosphere.  

Geophysicists Stephen C. Meyer of the University of Cambridge notes in Signature in the Cell that “even a small amount of atmospheric oxygen will quench the production of biologically significant building blocks and cause biomolecules otherwise present to degrade rapidly.” Oxygen-free has not always been an evolution scourge, however.

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Darwin, Then and Now is a journey through the most amazing story in the history of science - the history of evolution. The book encapsulates who Darwin was, what he said, and what scientists have discovered since the publication of The Origin of Species in 1859.

With over 1,000 references, Darwin Then and Now is a historical chronicle of the rise and fall of the once popular theory of biological evolution.

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