...ehenge is an enduring mystery. Modern observers can only speculate about hat it meant to its builders and hat compelling impulse drove them to invest so much labor and care in creating it. Loch Ness monsterSightings of large underater animals in Loch Ness, a 24-mile-long lake in Scotland, have often been reported but never confirmed. As early as 565 ad, Saint Columba, a Christian missionary, is said to have seen a monster in the lake. Modern interest as evoked in 1933 hen a British couple reported vieing a creature ith a long neck and body, and in the next several decades various expeditions attempted to find such a creature.A major expedition as initiated this June, under the joint sponsorship of the Academy of Applied Sciences in Boston and the Ne York Times. The head of the investigatory team, Robert Rines, president of the AAS, led several earlier expeditions. In 1972, using underater photography, sonar equipment, and other electronic devices, he obtained photographs that spurred scientific interest. One of the pictures, hich ere made clearer by the use of a computer, shoed a diamond-shaped object thought by Rines and Sir Peter Scott, the British naturalist and artist, to be the 4-6 foot long flipper of an animal about 45-60 ft. in length. The size as consistent ith indications obtained from sonar apparatus, and the monster as provisionally named Nessiteras rhombopteryx, hich means Ness mammal ith a diamond-shaped fin.The photographs ere made public late in 1975, to allo the monster to be placed on the British list of protected species. Although the 700 ft. deep loch supports numerous fish, the projected monster population is not large perhaps ten to 20 animals.A number of scientists expressed doubts about the evidence presented by Rines, criticizing the use of computer enhancement of his 1972 pictures and the lack of solid facts for the animals size. Others suggested that the creature shon in the Scott-Rines reconstruction resembled a plesiosaur, a reptile group that flourished some 70 million years ago but has been considered extinct since then. Some doubters expressed the vie that the object sighted as not an animal at all, but the remains of a Viking ship.Despite the criticism, the AAS-Times investigators continued to conduct photographic probes, and planned to send in divers equipped ith television cameras.UFOsUnidentified Flying Object UFO, any object or light, reportedly sighted in the sky, that cannot be immediately explained by the observer. Sightings of unusual aerial phenomena date back to ancient times, but UFOs sometimes called flying saucers became idely discussed only after the first idely publicized U.S. sighting in 1947. Many thousands of such observations have since been reported orldide. At least 90 percent of UFO sightings can be identified as conventional objects, although time-consuming investigations are often necessary for such identification. The objects most often mistaken for UFOs are bright planets and stars, aircraft, birds, balloons, kites, aerial flares, peculiar clouds, meteors, and satellites. The remaining sightings most likely can be attributed to other mistaken sightings or to inaccurate reporting, hoaxes, or delusions, although to disprove all claims made about UFOs is impossible. From 1947 to 1969 the U.S. Air Force investigated UFOs as a possible threat to national security. A total of 12,618 reports as received, of hich 701 reports, or 5.6 percent, ere listed as unexplained. The air force concluded that no UFO reported investigated, and evaluated by the Air Force has ever given any indication of threat to our national security. Since 1969 no agency of the U.S. government has had any active program of UFO investigation. In 1997 the U.S. Central Intelligence Agency CIA admitted that the U.S. military had deceived the American public in an effort to hide information about high-altitude spy planes. These planes, the Lockheed U-2A and the Lockheed SR-71, accounted for over half of the UFO reports during the late 1950s and 1960s. Some persons nevertheless believe that UFOs are extraterrestrial spacecraft, even though no scientifically valid evidence supports that belief. The possibility of extraterrestrial civilizations is not the stumbling block most scientists grant that intelligent life may ell exist elsehere in the universe. A fully convincing UFO photograph of a craftlike object has yet to be taken, hoever, and the scientific method requires that highly speculative explanations should not be adopted unless all of the more ordinary explanations can be ruled out. UFO enthusiasts persist, hoever, and some persons even claim to have been abducted and taken aboard UFOs. A close encounter of the third kind is UFO terminology for an alleged encounter beteen humans and visitors from outer space. No one has produced scientifically acceptable proof of these claims..yiiCJCJ aJ CJaJ5CJ aJ 5CJaJ.QxyvstFiFaaFaaa 1h à!ia8i8NormalCJsHaJmHsHtHAiDefault Paragraph FontVCaVBody Text IndentaaaaaCJaJmHsHtH.Qxyvst00 00000 0000000 000aDVDGEtioitreferate modificatetreferatetenglezatENG3tUnsolved mysteries.docEajxti1TTTa5BCJ OJPJQJJaJ ophhHiaOJaQJaJaohHoiaOJQJohHitttaOJQJohHi,,,aOJaQJ
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