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Such programs have been slow in getting started. In at least one important region, though, there has been encouraging progress. The island of Madagascar is home to a stunning array of animal, plant and fish species, most found nowhere else in the world. Under intense pressure from a burgeoning population, the island is already largely deforested. But conservationists and government officials, making personal visits to more than 100 villages surrounding the Ranomafana primal rain forest, have taught indigenous people about the region's genetic diversity and shown them ways to survive without plundering the forest. Ranomafana is soon...
...protection spans the political spectrum, polarization should not plague Earth Day unless fringe groups seize the occasion to sabotage a steel mill or stage other "ecotage" attacks on perceived corporate villains. Earth Day's organizers more likely face the opposite problem: the possibility that the hype and the numbing array of events will cause people to throw up their hands and stay home...
...hour and fifteen minutes. In a span of time only slightly longer than the average undergraduate lecture, the visitors see a vast array of scattered and discreet images images of Harvard. For some students, a tour may be a pivotal factor in the final college decision. A sunny day or a friendly leader can make all the difference. Others may dismiss the tour as trivial and ephemeral and base their decision on more substantive factors...
Named for Edwin Hubble, the great astronomer who discovered in the 1920s that the universe is expanding, the space telescope has a mirror 2.4 meters (7.9 ft.) in diameter that will focus light on an array of cameras and instruments. After recording and analyzing the radiation, the instruments will translate it into electronic impulses and beam it down to earth at a prodigious rate -- fast enough to fill a 30-volume encyclopedia in 42 minutes. Moreover, the Hubble will literally view the stars in a new light: the space observatory can see ultraviolet radiation that fails to reach ground telescopes...
...very real sense, accelerators are time machines that re-create the primordial fireball in miniature to unlock its secrets. The collision of two accelerated particles releases enormous bursts of energy. But that energy instantly condenses into a new array of particles, some of which may not have existed since the Big Bang...