Opening the evidence
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Accounts of the Hills' drive put their missing time at around seven hours, they expected a four hour drive home from Colebrook and arrived seven hours after leaving. Five hours undercounts that gap by a couple hours, so the claim has the right idea but not the right number.
Betty Hill did tell a Swedish UFO researcher, Clas Svahn, about buried material, but her account describes debris from an object she first took to be a plane that exploded over Maine in the 1950s, not a UFO crash she witnessed later. She said she threw those pieces into the backyard, not inside the house, about four days before the 1961 trip, and a load of sand later covered them. The podcast's version reverses the timing and places and inflates the story into a crashed-UFO recovery.
There's no femur that's been confirmed as belonging to a Denisovan, so there's no bone to base a six foot height estimate on. Denisovan fossils are limited to teeth, jaw and skull fragments, and a finger bone, none of which support a height claim like this.
This traces back to one Hebrew University psychologist, Benny Shanon, who proposed that Moses's visions at Sinai resembled an ayahuasca experience, a theory he himself called speculative and controversial. That's a single scholar's hypothesis about the Sinai visions generally, not a settled view held by scholars at the university, and it doesn't specifically identify the burning bush as an acacia tree loaded with DMT.
No thigh bone has ever been confirmed as Denisovan. The confirmed Denisovan remains are limited to teeth, jaw fragments, a finger bone, and skull fragments, and the best stature estimate available from a related specimen falls within the normal modern human range, not larger.
This is Rupert Sheldrake's morphic resonance theory, and mainstream science treats it as pseudoscience. The claim that rats in one place learn a maze faster because unrelated rats elsewhere already learned it has never been credibly replicated, and the experiments behind it are widely criticized as poorly designed and unfalsifiable.
The Eleusinian Mysteries did end through the actions of ruling powers: Emperor Theodosius I banned pagan rites in 392 CE, and the sanctuary was sacked by Alaric's Gothic forces in 396 CE. But mainstream historians attribute this to the broader Christianization of the Roman Empire and outright military destruction, not a deliberate scheme to curb attendees' personal influence.
A 1961 estimate did put ancient copper extraction from the Lake Superior region at around 750,000 tons, which works out to about 1.5 billion pounds. But later researchers concluded that estimate relied on exaggerated and inaccurate assumptions, so the real figure is likely much lower.
Modern humans and Denisovans really did interbreed more than once, but the confirmed dates are much more recent than this claim suggests. Genetic studies put the known pulses of Denisovan admixture at roughly 30,000 to 54,000 years ago, not 200,000 to 250,000 years ago.
A 250,000 year age for the Hueyatlaco site is a real published figure, from a 1981 analysis by geologist Virginia Steen-McIntyre and colleagues based on uranium and fission track dating of the sediment. But mainstream archaeologists largely reject that date as implausible, since stone tools that advanced aren't otherwise seen anywhere in the Americas until tens of thousands of years later, and the specific detail of an in situ camel pelvis isn't something we could confirm.
The Toba eruption 70,000 years ago really happened, and the idea that it crashed the human population to a few thousand people used to be the mainstream theory. More recent archaeological and genetic evidence, including stone tool continuity right across the ash layer and revised climate modeling, has pushed many researchers to doubt the population drop was ever that severe, and some now consider the bottleneck disproven.
Researchers really have pushed back estimates for when modern human behavior and symbolic thought emerged, from the old 50,000 year 'human revolution' idea to evidence stretching back roughly 100,000 to 300,000 years in Africa. That's a genuine and major shift in the field, but mainstream research doesn't support stretching the timeline back over a million years.
There really are charred stones and hearth-like features at Pedra Furada that lead excavator Niede Guidon and her team have dated to 50,000 years or more, in some analyses up to about 60,000 years. What this leaves out is that many archaeologists think these are natural rockfalls or fire scars rather than human-made hearths, so whether people were actually there that long ago is genuinely disputed.
It's true that some researchers, led by Niede Guidon, argue that hearth features and stone tools at Pedra Furada show people were there more than 50,000 years ago. But that's one side of a real scientific dispute, since many archaeologists argue the same evidence can be explained by natural rockfalls rather than human activity, so it isn't settled proof of that early habitation.
The oldest confirmed Homo sapiens fossils are only about 300,000 years old, not a million. There's real scientific debate about when modern human behavior emerged, but no mainstream evidence puts anatomically modern humans on the planet for a million years.
Everett said in the episode that nobody had been killed by a jaguar in his almost 50 years of coming and going, though many were attacked. This is a first-hand observation about a small, remote group, and no database, paper or news report tracks Pirahã deaths by jaguars. I found nothing that confirms or contradicts it. A documented Pirahã death from a jaguar, in Everett's books, other researchers' field reports or Brazilian health records, would flip this to false.
The real event here is a February 2009 interview Chomsky gave to Folha de S.Paulo, Brazil's biggest newspaper, not a Spanish language station. In it he called Everett "a pure charlatan" and said serious linguists who work on Brazilian languages ignore him, which is close in spirit to saying his contributions amount to nothing, but the language and format don't match what's described here.
There's a real example behind this: linguists Andrew Nevins, David Pesetsky, and Cilene Rodrigues published a widely read rebuttal of Everett's work on Pirahã without ever contacting him or anyone who actually spoke the language, drawing their facts entirely from his own older publications. That's a real, documented case of theory driven linguistics proceeding without fieldwork, but it's a stretch to generalize one controversy into a claim that prevailing linguistic theories as a whole discourage learning the languages being studied.
Men's brains do average larger than women's, but the commonly cited figures run higher than stated here: around 1,260 cubic centimeters for men and 1,130 for women, not 1,200 and 950 to 1,000. The women's figure in particular understates the accepted average by a meaningful margin.
Homo erectus brain sizes actually varied a lot more than that, from about 546 cubic centimeters in some early specimens up to 1,251 in the latest surviving populations. Averages differ heavily by region and time period too, with East Asian Homo erectus averaging close to 1,000 cubic centimeters, so treating 950 to 1,000 as the general range for the whole species understates how much it actually varied.
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