Science magazine for children: Packed with science stories, science facts, science features, and other science learning resources for children. Discover the known, the unknown, and little-known facts in our science articles. Learn the how and why of everyday things and explore rare and exotic living species.
358 items in this section. Displaying page 35 of 36
Why does a Kentish Plover Parent Desert its Family?
When couples exchange vows on the marriage day, they generally say ‘till death do us part’. For a species of shore-dwelling bird called the Kentish Plover, it is ‘till divorce do us part’. Indeed, birds of this species usually leave their partners after the incubation (hatching) of the eggs and usually it is the female who moves on, while the male stays on to look after the babies. A recent study conducted by Andras Kosztolanyi of the University of Debrecen, in Hungary, sheds light on the reason behind this behaviour....
Squirrelling it Away
Chimpu and his grandfather had gone to the park for an evening walk. After Chimpu had played with his friends for over an hour, he came back sweating and tired, to sit beside his grandfather at the park bench. There he found his grandfather throwing peanuts, brought from home, to the scampering squirrels at his feet. In fact, bushy-tailed squirrels are a common sight in the city’s parks and gardens. This frisky little rodent is constantly scampering around, and it is indeed rare to come across one perfectly still....
Excerpts From 'The Wonderful World of Insects'
What is an Insect? An insect is quite different from you and me. It has a body that is divided into three parts: the head, the middle which is called the thorax and the abdomen which is usually the largest part of the body. Did you know that many insects can see in more than one direction without turning their heads? This is because they have compound eyes. Compound eyes are made up of lots of cone-shaped units packed close together....
The Song of the Bird
The Song of the Bird [] Humans speak when they are happy, they speak when they are sad. They speak when they are angry, and they speak when they see a thing of beauty. They try to speak even when they have toothaches, and often they speak even when they have nothing to say. Well, songbirds are quite the same. They sing to tell their winged neighbours and strangers that the branch on which they are sitting, or the shrub that grows next to the school, is THEIR home....
Fox
If there is one animal that lives by its wits then it is our very own Fox. Sheer ingenuity has made him a survivor literally. And it is due to its own dexterity that the Red or common fox is doing very well in Britain, North America and North Africa unlike it’s cousins the wolf and the wild cat. Man is his only enemy. Ironically though, he still prefers to stay close to humans. Fox [Illustrations by Amarjeet Malik] The fox is the smallest member of the dog family, Canidae....
Mutual Aid Societies
Everywhere in Nature the small, weak and apparently helpless manage to survive by parasitism — sponging off hosts who may in their turn protect and help these hangers-on. Worms, ticks, fleas and various kinds of bacteria are common examples. But there are more spectacular cases among fish and other sea creatures. On riverbeds, a species of fresh water clam tosses her young at passing fish to attach themselves with hooks. The host carries them about, nourishing them until they are adult enough to let go, settle as the bottom, and start another lifecycle....
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....
A Train of Villages on the Net
Most people have fond memories of train journeys, though some have unpleasant ones of being left behind at a station, while they waited for a steaming cup of tea or coffee. Many film directors, too, have been fond of shooting action-packed or emotional scenes at railway stations. The famous action scene at the end of the Hollywood Western ‘High Noon’ showed the cowboy hero, Gary Cooper, silencing the villain. In one Indian film after another, the hero and the heroine have rushed across a crowded station to meet each other never to be separated....
Whick Book Carries Its Own Light?
How many times have you been told not to read in bed and how often have you been ticked off for reading in poor light? Probably quite a few times if you are an avid book-worm. Now you can cast away your small flashlights and get rid of your reading lamp, for there are specially designed books that create their own light! Whick Book Carries Its Own Light? [Illustration by Shinod AP] The glowing book...
How Did the Indian Postal Service Start?
Although methods of postal delivery varied from one country to another, it is believed that in India, Emperor Chandragupta Maurya who ruled the country between 321-297 BC, was the first to introduce a form of postal communication to dispatch confidential reports to distant posts in his empire. However, the first recorded mention in history is to be found in the writings of historian Ziadduin Barni. He mentions that Ala-ud-din Khilji of the Delhi Sultanate, who ruled Delhi over 700 years ago, organized a regular horse and foot runner service called harakuras in 1296 AD....