Guth & Tuairim, Eanáir/Feabhra 1984

Aois Seol chuig 11 Guth agus Tuairim 11 , Doire Beaga. Ta pion daite, pencilcase agus crayons le baint. The winner of our last painting competition was: Sharon Corley (10), l~ Hammersmith, London. x 10 i - I THE GRIZZLY WEIGHS FROM 800 TO 1400 POUNDS. ...; ~ c.!l Ul 11 i s::: ('o 0 +> •rt ..s::: +> bO t) orf o:I s::: i.. ~~ o:l'"d +> ~ o:I +> ..s::: o:I ;J:CI) f HE GRIZZLY BEAR DERIVES ITS NAME FROM THE BROWNISH HAIR TIPPED WITH WHITE WHICH GIVES A GRIZZLED APPEARANCE THE GRIZZLY AT ONE TIME RANGED FROM THE GREAT PLAINS TO THE PACIFIC OCEAN OF THE.UNITED STATES. NOW THE GRIZZLY IS FOUND MAINLY IN PARKS OR NATURAL PRESERVES. ! An Old Plague , Makes a P/asmodia. When a person is bitten by a mosquito that is carrying them, the Plasmodia move from the mosquito to their new human host. Once in the body, they reproduce at an astounding rate until there are about a billion of them. Comeback • Malaria, a dreaded disease once nearly wiped out, is back, stronger than ever. At the end of World War II, new cases soared to 250 million a year. Deaths from this mosquito-transmitted disease skyrocketed to nearly three million a year_ Seeing this, nations grew alarmed and declared war on the scourge. By draining the swamps where mosquitoes breed, spraying poisons like DDT and using newly developed drugs, health officials nearly eliminated the disease. By 1965, the number of new cases of malaria was down to I00,000, none of them fatal. But things have changed since then . This year, expf.'rts predict between 150 and 800 million new cases, mostly in Third World countries. About two billion people - nearly half the world's population - live in high risk areas where they will probably catch the disease. Although malaria is transmitted by mosquitoes, it is actually caused by tiny one-celled animals called This is when the symptoms of malaria begin: cold chills that cause violent shaking followed by a fever, headache and profuse sweating. This cycle can repeat itself several times leaving the victim weakened if not dead. How did a disease that was , nearly wiped out return with such renewed vigor? There are two main causes. First, after it seemed that the disease had been brought under control, nations began spending the money reserved for malaria control on other, more pressing problems. As they did, the number of malaria cases rose. Second, fighting malaria today · is a different game than it was just after World War II. Then, - when pesticides and drugs were first used, they were much more effective. Since then, they have been used so much that the mosquitoes and the Plasmodia have developed resistance to them. When new pesticides and drugs are developed and used, the organisms develop new immunities. The only thing for certain is that, this time around, the battle wiJI be much tougher to win,. ~