be made to declare the region off-limits to people. if possible, some specimens, male and female, will be taken to zoos where they might breed.(Many animals do not readily breed in captivity. Apparently, some stimuli only found in the wild are necessary for successful reproduction.)Bernhard Meier of Ruhr University in Germany has been exploring the forests of Madagascar, where once the ...
시그너스X-1이 블랙홀이라는 것을 확신시켜 준다. The most peculiar creature in the astronomers' zoo is the "black hole" and astronomers are laboring to determine whether it really exists. Recently, some evi-dence has appeared that seems to indicate that it does. It is possible, you see, for a star to collapse so that its atomic nuclei come into contact, and it becomes a ...