Word: layering
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...presidential election constitutes both the political and visual subtexts of the storyline, with frequent shots of the campaigns of George W. Bush and Al Gore ’69 spliced into the film. Not only does this maintain the historical accuracy of the story, it also reveals a disturbing layer of irony in campaign rhetoric.“At the very time that George Bush was running for president, talking about how he didn’t believe in quota systems, he was using quota systems for distributing money in Texas,” Haney says. These systems?...
...Lausanne, in Switzerland. Both researchers knew that challenging the impact doctrine would not be easy. The asteroid charged with killing the dinosaurs, after all, left more than the Chicxulub crater as its calling card. At the same 65-million-year depth, the geologic record reveals that a thin layer of iridium was deposited pretty much everywhere in the world. Iridium is an element that's rare on Earth but common in asteroids, and a fine global dusting of the stuff is precisely what you'd expect to find if an asteroid struck the ground, vaporized on impact and eventually rained...
...Keller and Addate worried that we were misreading both the geologic and fossil records. They conducted surveys at numerous sites in Mexico, including a spot called El Peñón, near the impact crater. They were especially interested in a 30-ft. layer of sediment just above the iridium layer. That sediment, they calculate, was laid down at a rate of about 0.8 in. to 1.2 in. per thousand years, meaning that all 30 feet took 300,000 years to settle into place...
Analyzing the fossils at this small site, they counted 52 distinct species just below the iridium layer. Then they counted the species above it. The result: the same 52. It wasn't until they sampled 30 feet higher - and 300,000 years later - that they saw the die-offs...
Some of the effects may be reversible once steroid intake is stopped, but things like cardiac effects may not, since there is the possibility that steroid use hardens arteries and damages the muscle layer surrounding the heart...