10 items in this section. Displaying page 1 of 1
Why is it Harder to Walk Uphill?
Raju heard the familiar cry of the ice-cream seller reach his ears, clear as a bell, even from his fourth floor apartment. He flew out of the flat and bounded down the stairs four steps at a time. The lift being under temporary repair, he had to take the stairs. He arrived downstairs a little breathless, and extremely impatient to have his ice-cream. After buying it, he decided to rush home so he could eat it in peace....
Why Do we Get Tired?
Sumit was a tireless bundle of energy. He was always up to some mischief or the other. As he grew, to his mother’s relief he became a more relaxed child, and over the years his energy level seems to have come down considerably. However, now he feels tired and fatigued. At times he wonders why he gets so tired so soon when there is so much that he wants to do? What is it in our body that causes fatigue?...
How do Humans Balance on Two Legs?
Four-year-old Rohit couldn’t understand why his parents and grand parents were so happy on seeing his 10-month-old sister, Ruchi, take a few unsteady steps towards her favorite toy. What was so unusual about her walking -after all, he could walk and run without anyone’s help, yet no one ever clapped nor hugged him, the way they were doing it for his sister. Unable to hold his curiosity any longer he decided to talk about it to his closest friend and guide – his mother....
Why do Locusts Swarm?
Have you ever tried chasing a frisky grasshopper? If you have, you will definitely know that scampering after a jumpy bug is not an easy task. Most species of grasshoppers have a keen sense of hearing and the moment they sense trouble, they can hop fast and furious! Sometimes, shortage of food turns grasshoppers into migratory insects as they venture out in search of newer pastures. This situation happens when the species begins reproducing rapidly and does not have enough food for all the members of its community....
Why do Some People snore More than Others?
If you ever slept in a room with an uncle or an aunt who snores, you would know how annoying it can be. The person causing all the noise sleeps like a log, while the room partner spends the night tossing and turning; waking up bleary-eyed the next morning. Did you know that snoring is a common ailment all over the world? Believe it or not, but on an average one in every four adults snores, says the website sleepquest....
What is Physiotherapy?
If you’ve ever been laid up in bed because of a broken leg, or with an arm in a cast, you’ll know how limp that limb feels when it is finally out of bandages. That’s because the muscles in that particular part of the body have not been used for so long that they’ve ‘forgotten’ how to function. They need to be re-taught their work, and this is where physiotherapy comes in. Physiotherapy is that branch of medicine, which makes use of physical agents or exercises to treat a disease or an injury....
Does a Sloth Live its Entire Life Upside Down?
Imagine living your entire life upside down. Sounds impossible? Well, it is not impossible for a sloth. The sloth is a mammal which lives in South America. It spends most of its life on trees in an upside down position. Unbelievable, but true. Sloths eat, sleep, make babies and even give birth to their young ones in this position! But, don’t they fall off when they fall asleep, one might wonder. They don’t. A Sloth hanging upside down on the tree That’s because the sloth’s muscles do not relax like ours do when we are sleeping....
Why do Some People Stutter?
Rahul is a lonely child. He is laughed at because whenever he speaks, he stutters. He goes “my name is Ra-Ra-Rahul.” His mother and grandmother thought it was because he had a short tongue. Other people said it was because, as a baby, Rahul’s hair was cut before he spoke his first word. Finally, Rahul’s mother took him to the doctor. She was told that it had nothing to do with these myths. Rather, Rahul had a speech disorder called dysphemia....
What is Asthma?
Asthma is one of the most common diseases affecting the lungs. A serious disease, it affects all races and both sexes equally. This disease affects millions. Many of us recognize asthma symptoms like wheezing, chest tightness and gasping for breath. However, few of us know what is going on inside the body of a person with asthma. When we breathe, we inhale oxygen through the nose and mouth. The air passes down the trachea or windpipe through the two bronchi that branch off into the millions of tiny airways that make up the lungs....
The Making of a Prodigy
When Siva Kalyan was born, his spine or backbone was deformed resulting in a lifelong difficulty in walking. But that hasn’t stopped the nine-year-old from becoming a prodigy. This child, who loves reading comics, writing stories and enjoys sketching cartoon strips, is learning advanced mathematics and physics from one of the most reputed universities in the United States of America. The Hindu reports that Siva’s parents were in Tamil Nadu when Siva was born. His backbone was not straight, his joints were loose and the muscles were weak....
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