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Search results for: dinosaur? in all categories
350 results found.
35 pages of results. 251. ASTROBLEMES AND GASTROBLEMES [Journals] [Aeon]
... . Such ash falling in the worldwide ocean would destroy calcareous plankton, the major group of living organisms that was killed at the same time as the principal iridium anomaly of the K/T boundary,,,clay. Notwithstanding that the K/T "event" lasted 400,000 years or so and emphatically did not kill the dinosaurs, its stupendous ejection of pulverised rock did spread a worldwide aerosol blanket; its ground-level surge cloud spread a layer of dust across all western North America; its massive mudflows swept west and south; and the entire Klamath Mountains terrain was translated 100 km west and bowed into a 120 arc. Nowhere on Earth is there a more majestic ...
252. Beneath Bauer [Books]
... To provide some idea of how outdated (and actually antiscientific) Bauer's attitude to discordant data is, here is an extremely different (and in my opinion far more productive) scientific attitude than Bauer's to the anomaly or lonely fact or seemingly-"unconnected" datum. It is found in Stephen Jay Gould's (improper? upside-down?) Dinosaur in a Haystack (1995), where Gould discusses the wastefulness of "the underreporting of negative results." (157) A study in 1986 of publication bias in the field of psychotherapy, for instance, showed that 82% "of studies with positive outcomes" were submitted to journals and 80% of these were published, ...
253. Paradigm Lost? [Journals] [SIS Workshop]
... land and at sea, the likes of which has never been seen before or since. Life recovered, but another major catastrophe occurred at the end of the Cretaceous Period: Sixty-five million years ago most of the species on Earth were snuffed out - probably because of a massive cometary or asteroidal collision. Among those killed off were all the dinosaurs, which had for nearly 200 million years .. . been the dominant species, the ubiquitous masters of life on Earth. This extinction event removed the chief predators of a small, fearful, cowering nocturnal order of animals called the mammals. If not for that collision - a late step in the tidying up of interplanetary space of ...
254. Mammoth Update: A Reply to Ellenberger (Forum) [Journals] [Kronos]
... necessarily be expected to affect all sizes equally. Clube and Napier "estimate that the shock wave generated by the impact of . . . a big asteroid on land would not only destroy all the earth's forests but also kill all the larger land-dwelling animals".(30) It has also been pointed out that an imbalance of more large dinosaurs preserved as fossils than small ones suggests some kind of mass death.(31) This is not to say the cases of the dinosaurs and mammoths are identical, but to show the possibility of size as a discriminant. Bones of smaller animals have also been found with mammoth bones. Among 3,500 bones, mostly mammoth, ...
255. Discussion [Journals] [Aeon]
... I feel strongly that NASA's space science group should be totally abolished), and that theories to be tested must receive adequate input into space craft and mission design. Today, space craft missions are designed behind closed doors by select inner club house members of NASA scientists and their peer group. Independent space scientists have gone the way of the dinosaurs. Space science today is in a state equivalent to the darkest of the dark ages with the strictest of caste systems. Certain scientists have profited greatly by their access to NASA and its information, and have successfully suppressed any competition from their publicly funded positions. It is this type of system that allows people like Carl Sagan to remain ...
256. The Establishment of Gradualism [Books]
... brilliant analytical mind, a memory like a computer, and the political savvy of a Machiavelli and a Richelieu rolled into one' [3 : p. 79]. As to his scientific ability, particularly in comparative anatomy, there can be no doubt. As the science journalist, John Noble Wilford, wrote in The Riddle of the Dinosaur: "One must draw on geology in searching for fossils and establishing their relative ages; but to identify the specimens and interpret their place in nature, one must know biology, particularly comparative anatomy. In this branch of science Cuvier excelled. He demonstrated that each major group of animals has its own peculiar body architecture. According to ...
257. Pot Pourri [Journals] [SIS Review]
... planet about 3 5 billion years ago, causing scalding rains and flash floods'. National press reports on 23rd Aug. 2002 show how differences of emphasis can arise. The Daily Mirror and Metro agree that a rock' (Mirror) or object' (Metro) 12 miles wide, twice as big as the one that killed the dinosaurs 65 million years ago, struck the earth about 3 5 million years ago, evidence being rock layers in Australia and S. Africa. In the Mirror this is a gigantic meteorite', in the Metro an asteroid or comet'. Metro quotes Dr Donald Lowe, for whom Earth was probably mostly covered in water and very hot ...
258. The Cosmic Serpent by Victor Clube and Bill Napier [Journals] [Kronos]
... astronomers, both working at the Scottish Royal Observatory in Edinburgh, and for years they have been developing an interest in the interaction of the Earth with fragments of cosmic debris, meteors and comets. Their paper in Nature [282 (29 November 1979), pp. 455-459] suggesting that such cosmic encounters could explain the death of the dinosaurs appeared in print before the Alvarez team announced their discovery of the now famous iridium anomaly in strata 65 million years old. Somehow the popular press missed the point that the Alvarez' discovery provided a classic example of a successful scientific prediction- the ultimate test of any theory. The first half of this book is a comparatively low-key discussion ...
259. On Comets and Kings [Journals] [Aeon]
... associated with the appearance of a comet have been difficult to exorcize from the social consciousness. In the years since Worlds in Collision was published there has been a notable resurgence of theories invoking comet-induced catastrophes. Luis Alvarez, together with his son Walter and several other prominent scientists, speculated that a comet-induced cataclysm was responsible for the demise of the dinosaurs. (2 ) A large comet (or group of comets), it is argued, upon striking the Earth could so darken the terrestrial atmosphere that the temperature would drop substantially and photosynthesis would be disrupted, resulting in the mass extinctions which characterized the Cretaceous. (3 ) Another group of scientists has since proposed a theory even ...
260. The Age Of Man In America [Journals] [Velikovskian]
... | Issue Contents The Age Of Man In America Charles Ginenthal "The disturbing reality is that for none of the thousands of well documented extinctions in the geologic past do we have a solid explanation of why the extinction occurred. We have many proposals in specific cases, of course: trilobites died out because of competition from newly evolved fish; dinosaurs were too big or too stupid; the antlers of Irish elk became too cumbersome. These are all plausible scenarios, but no matter how plausible, they cannot be shown to be true beyond reasonable doubt. Equally plausible alternative scenarios can be invented with ease, and none has predictive power in the sense that it can show, a ...
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