it is stressed by exposure to a laud noise and then put in a big space. Under similar conditions normal mice huddle in fear near the walls; this mouse acts as if it couldn't care less. Furthermore, When left alone for a month, this mouse fiercely attacks any mouse put with it. It is mot coincidental that hallucinogens like LSD seem to block the actions of serotonis in humans.The important ...
dive. Other scientists are studying Adelie and Emperor penguins, taking care not to harm the creatures, which do not fear humans.Astrophysicists and astronomers are prominent among the scientists on Antarctica, for as Dr. James Sweitzer says, the South Pole of Earth is the nearest thing to being in space. Four major projects are under way, from high-energy experiments and neutrino detection ...
the sun. But with vitamin D readily available in milk or in capsules, no darkskinned person living in the north need fear getting rickets.After the industrial revolution, more people worked in factories than outdoors in the fields. The paleness of sun-deprived factory-workers' skins showed that they were usually working throughout daylight hours and with few, if any, vacations. Soon the rich, ...
wonderful book, "Charlotte's Web," many humans don't appreciate spiders.Some people suffer acutely from arachnophobia, fear of spiders — a condition catered to by several horror movies. While it is true that poisonous spiders can be dangerous, they don't go after people who try to avoid them. And spiders are small. Even the biggest tarantula (capable of capturing and eating a bird) is no ...
other hand, who feel that the threat of a nuclear war must be maintained for defense, think it wouldn't and that the fears are being deliberately exaggerated by softheaded pacifists.Nor is there any good way of testing the matter. You can't explode a vast number of nuclear bombs just to see what would happen. And you can't argue just from theory since that wouldn't be convincing to those who ...
듯하다.In reccent years, I have given talks in which I stressed that space was so huge in volume that we need not fear that we would pollute it with our activities. How wrong I was! It has taken 10,000 years of civilization before we began to pollute the whole of Earth's ocean, soil and atmosphere in a significant way, but it has taken us only 30 years to pollute space in Earth's ...
life, why has the expression "acid rain" become so fearful? Why should it be a killer?That is because the acid rain we fear is caused by the burning of impure coal and oil that contains both sulfur atoms and nitrogen atoms. Human-made acid rain contains sulfuric acid as well as nitric acid. Sulfuric acid is particularly harmful and is not a component of lightning acid rain.In addition, human ...
in an experimental way, by the 1990s.If the Soviets make progress in this notable plan, the United Stated might well fear possible military applications of solar power and reflectors in space. I have always felt that the surest way of countering such a possibility is to internationalize such huge space projects that may, in any case, be too expensive for anything less than a global effort ...