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For several million years, life in the Eocene was halcyonic, and at 50 mya, the state had prevailed ever since the 250 mya. But just as , Earth began cooling off. The ultimate reason was atmospheric carbon dioxide levels that had been steadily declining for tens of millions of years. The intense volcanism of the previous 200 million years waned and the inexorably sequestered carbon into Earth’s crust and mantle. While falling carbon dioxide levels were the ultimate cause, the first proximate cause was probably the isolation of Antarctica at the South Pole and changes in global ocean currents. During the early Eocene, the global ocean floor’s water temperature was about 13oC (55oF), warm enough to swim in, which was a far cry from today’s near-freezing and below-freezing temperatures. The North Sea was warm as bathwater. Radical , warming the ocean floor, and . Whatever the causes were, the oceans were warm from top to bottom, from pole to pole. But between 50 to 45 mya, Australia made its final split from Antarctica and moved northward, India began crashing into Asia and cut off the Tethys Ocean and the global tropical circulation, and South America also moved northward, away from Antarctica. Although the debate is still fierce over the cooling’s exact causes, the evidence (much is from ) is that the oceans cooled off over the next 12 million years, very consistently, although a brief small reversal transpired at about 40 mya. By 37-38 mya, the 200-million-year-plus Greenhouse Earth phase ended and the transition to today’s ice age was underway. In the late Eocene, as the trend toward conditions began, such as the .

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I have encountered numerous technologies that theorists denounce as “,” empiricists ignore as if they did not exist, while the inventors are not exactly sure why their inventions work, but only know that they do. Such inventions often threaten to upend the very foundations of scientific disciplines, which is primarily why they have been ignored as they have, if they are not actively suppressed. When their breakthroughs threatened the dominance of the industrial/professional rackets, then the .

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The were typical inventors. Before they flew, theorists said that man-powered flight was “impossible,” mainstream science ignored or ridiculed them for five years after they first flew, and . The theorists were spectacularly wrong, the empiricists had abandoned their primary principle of observation, and it was up to inventors to finally open their eyes and minds, years after the public witnessed the new technologies working. Brian O’Leary

Why I Want To Be A Cheerleader Essay
Version 1.2, published May 2015. Version 1.0 published September 2014.

Organisms begin to capture chemical energy.

The dates are controversial, but it appears that after hundreds of millions of years of using various molecules as electron donors for photosynthesis, began to split water to get the donor electron, and oxygen was the waste byproduct. Cyanobacterial colonies are dated to as early as 2.8 bya, and it is speculated that may have appeared as early as 3.5 bya and then spread throughout the oceans. Those cyanobacterial colonies formed the first fossils in the geologic record, called . At Shark Bay in Australia and some other places the water is too saline to support animals that can eat cyanobacteria, and give us a glimpse into early life on Earth.

A number of acronyms in this essay are not commonly used and at least one is unique to my work.

Allows for more energetic respiration than anaerobic respiration.

Forests were a radical innovation that has not been seen before or since. Trees were Earth’s first and last truly gigantic organisms, and the . Why did trees grow so large? It seems to be because they could. Land life gave plants opportunities that aquatic life could not provide, and plants “leapt” at the chance. Lignin, first developed for vascular transport, became the equivalent of steel girders in skyscrapers. In the final analysis, trees grew tall to give their foliage the most sunlight and to use wind and height to spread their seeds, and in the future that height would help protect the foliage from ground-based animal browsers. The height limit of Earth’s trees is an energy issue: the .Arid climates prevent trees from growing tall or even growing at all. Energy availability , too. From an ecosystem’s perspective, the great biomass of forests was primarily a huge store of energy; trees allowed for prodigious energy storage per square meter of land. That stored energy ultimately became a vast resource for the forest ecosystem, as it eventually became food for other life forms and the basis for soils, which in turn became sponges to soak up precipitation and recycle it . Trees created the entire ecosystem that depended on them.

Below is a diagram of two hydrogen atoms before and after reaction, as they bond to form H2.

, to eventually achieve modern levels, begins

If inventors try that route, they will eventually lose the rights to their technologies to their investors; even for normal inventing, inventors rarely profit from their inventions, and for FE inventing, it is virtually impossible;