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Where are the Shaking Minarets?
Among the many architectural marvels of the world are the astonishing shaking minarets in Ahmedabad city, India. When one tower is shaken, the other too vibrates in sympathy! Read on ...
What is Esperanto?
An artificial international language created in the last century by Dr Zamenhof, Esperanto is the easiest language to learn, and today spoken by over 10 million people. Read on ...
Why do we Celebrate April Fool's Day?
Initially the new year began on April 1. But the introduction of the Gregorian calendar changed all that. Those still celebrating new year on April 1 were called April fools . Read on ...
Why is the Bridge of Sighs so Called?
Among the 400 or so bridges across the waterways of Venice, is this bridge built in the year 1600. The bridge connects the prison to the duke's palace, where the dreaded inquisitor's office was located in medieval times. Read on ...
Why do Aircrafts Have a Black Box?
On a wreckage site, a black box is the first thing that police investigators look for. What makes it so important and why do all aircrafts carry one? Read on ...
Why Do we Get Tired?
After a hard day's work or play we feel so tired we can barely concentrate. This is because our body produces a kind of toxin that makes our muscles tired. We require rest and sleep to refresh and reenergise ourselves again. Read on ...
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What Kind of Horses did Knights Ride?
Knights wore heavy metal armour to protect themselves against spears, swords or arrows. They rode heavy horses that could take this weight and both horse and man fought as one in battle. Read on ...
How did the Modern Horse Originate?
The ancestor of the modern horse looked like a large fox and had four toes! Over many millions of years this animal changed with the change in environment to become the modern horse. Read on ...
Why Don't Spiders Get Caught in Their Webs?
Spider webs are made of sticky silk threads used by the spider to trap its prey. Hard bristles under their feet help the spider to slide over these threads like a skater on ice. Read on ...
How do Spiderwebs Help Skydivers?
A spider's silken web is the strongest natural structure in the world yet it is lighter than a feather. Scientists are now trying to make parachutes of spider silk to aid skydivers. Read on ...
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