g Stars - Physics researchers working at the High Energy Accelerator Research Organization Laboratory in Japan have observed a new type of interaction among the most fundamental of particles, the quark. The scientists reported at the Symposium on Lepton-Photon Interactions at High Energies, June 30-July 5 in Uppsala, Sweden, that they had produced first evidence of a beauty quark converting to the lightest of quarks, the down quark. See article.
g Abodes - Scientists are fascinated by a dark, lake-like feature recently observed on Saturn's moon Titan. NASA's Cassini spacecraft captured a series of images showing a marking, darker than anything else around it. It is remarkably lake-like, with smooth, shore-like boundaries unlike any seen previously on Titan. See article.
g Life - A researcher believes a pair of elephants have learned to make sounds outside their normal repertoire in an attempt to better relate with their neighbors: trucks on a nearby highway. See article.
g Intelligence - Your IQ and extracurricular interests as a teenager may forecast your memory and thinking abilities decades later. See article.
g Message - Postbiological life might operate (communicate, organize, travel, colonize) on a larger scale than a single galaxy—possibly on the scale of the supercluster. The most advanced postbiological civilizations in our Local Supercluster may have developed in the Virgo Cluster, a rich cluster where intergalactic communication and travel would be easiest. If these advanced civilizations wanted to contact new civilizations elsewhere in the Supercluster they might collectively broadcast from one central location, for the sake of efficiency and to make it easy to find. A powerful, centrally located beacon would tend to replace all others in the Supercluster. This could explain the failure of SETI. The most likely location for this beacon is the giant elliptical galaxy M87. See article.
g Cosmicus - Should we or should we not remodel the planets to make them more like Earth? It may be the biggest environmental issue facing us in the century ahead — and scientists even now are debating it as they plan inter-planetary expeditions. See article.
g Learning - Here’s a neat classroom activity that examines if yeast, a common yet tenacious microbe, can survive boiling water, salt, UV radiation and citric acid? Students find out for themselves by creating "Planets in a Bottle" which illustrate extreme conditions on other worlds. See article.
g Imagining - Like stories about communicating with aliens? Then be sure to read Jack Vance’s "The Gift of Gab” (1955), which involves “talking” with intelligent cephalopods. See article.
g Aftermath - Book alert: The authentic discovery of extraterrestrial life would usher in a scientific revolution on par with Copernicus or Darwin, says Paul Davies in “Are We Alone?: Philosophical Implications of the Discovery of Extraterrestrial Life.” Just as these ideas sparked religious and philosophical controversy when they were first offered, so would proof of life arising away from Earth. With this brief book (160 pages, including two appendices and an index), Davies tries to get ahead of the curve and begin to sort out the metaphysical mess before it happens. Many science fiction writers have preceded him, of course, but here the matter is plainly put. This is a very good introduction to a compelling subject.
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