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How do Houseflies Spread Diseases?
The housefly (musca domestica) is one of the most common of all insects. It is a major health hazard, particularly in parts of the world where sanitary conditions are poor. The housefly has a dull gray, bristled body that is about 7 mm in length. It has large reddish compound eyes. Its mouth cannot bite but consists of a spongy pad. It has a peculiar system of feeding itself. At first it releases saliva and digestive juices over food and then sponges up the resulting solution....
Waiting for the Rain
I hope it rains at least today,” Velu thought, as he opened his eyes. Velu was a farmer. The sun was beginning to rise, glowing crimson like fire. Velu scanned the sky. There was not a cloud. “It doesn’t look encouraging,” he muttered to himself and got up. Rain or no rain, a farmer wakes up early. Velu worked hard. His piece of land never failed him. Season after season he cultivated it, harvesting jowar one season and dal the next....
Monsoon in Mumbai
To the people of Mumbai, the thought of rain is as natural as breathing. And they think they are always prepared for it. As the temperature drops, and there is a slight nip in the air they cannot help thinking of piping hot pakoras and garam chai or hot tea. But the visitor often drops down from the sky unexpectedly. It has the power to disrupt the lives of the people. Like it did recently....
Welcome Rains?
April 21: A few days ago, Delhi residents were pleasantly surprised when the sweltering April sky suddenly darkened with clouds and it began to rain heavily. A freak shower, they thought, since it hardly ever rains in Delhi in April. But, surprise, surprise… the rains occurred the next day, too. And the day after. The unseasonal showers have transformed the weather marvellously. It hasn’t happened in Delhi alone. Most of northern India, from Jammu and Kashmir and Himachal Pradesh to Punjab, Haryana, Rajasthan, Delhi, western Uttar Pradesh, and Uttarakhand, have been hit by the rains....
Mr Fly Rubs his Hands with Glee
Have you seen a housefly rubbing its hands together? It is almost as if it were washing its hands. It actually is. Not with water though. When the housefly rubs its hands together, it is cleaning them. And, if you have the food it has cleaned itself on, you are in for a bad time. Nothing can save you from a bout of diarrhoea or dysentery after that. Mr Fly Rubs his Hands with Glee [Illustration by Shridevi] The whole body of the housefly, including claws and padded feet, is covered with sharp hairs....
The Baby Current Which Destroys
Did you know that the period between November 1997 and November 1998 was the hottest year recorded on earth? In fact, six of the first eight months of the year were the warmest since humans began recording temperatures on earth in 1866. Weather experts say one of the causes behind the warming of the earth’s atmosphere, or global warming, is El Nino, a water current in the Pacific Ocean. But why should a water current create heat in the earth’s atmosphere, one would ask....
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