How tall is the Leaning Tower of Pisa? The Leaning Tower of Pisa in Italy was built completely of marble. At the top, the tower is 5 m out of the perpendicular. If we throw down a stone from the top of the tower, it...
Why do brides wear a veil? In the old days, it was customary to keep the bride hidden from the groom until the wedding day. This was the case in Egypt. During the wedding ceremony, the bride’s face would be uncovered. Arabs, Hindus, and other...
What is a boycott? To boycott someone or something is to refuse to trade or associate with a country, company or an individual. It is derived from the name of Captain Charles Cunningham Boycott, a 19th century land agent. He was boycotted by Irish tenant...
What causes warts? Warts are caused by a virus. We get the virus if we are in contact with those who have it. Warts are raised areas of the skin which may be rough or pitted on the surface. It can spread to other parts...
Why do cats and dogs have fleas? Fleas are parasitic creatures and they live by sucking the blood of a host animal. There, are many species of fleas. Its long hind legs help it to jump long distances. It can jump 20 cm into the...
How does the fly see things? One of the amazing things about the fly is its way of seeing things. It has two big brown balls for eyes on either side of its head. Each eye is made of thousands of lenses. Each lens captures...
Why do woodpeckers peck on trees? Woodpeckers live on grubs and insects that inhabit the crevices of a tree. The bird drills a hole in the tree and eats them. It is doing a favour to the tree for the grubs and insects are often...
Who were the Minoans? European civilization began around 4,500 years ago on the island of Crete. The Minoans took their name from a renowned king called Minos. They were traders who ruled the Aegean Sea. The civilization came to a close in 1450 BC.
Were dinosaurs’ eggs also big? Dinosaurs laid 10 to 40 eggs at a time. The size of the eggs depended on the size of the adult dinosaur. But they were not very large. A 30-m long female dinosaur might lay an egg that was 60...
How do migrating salmon return to the place where they were hatched? Salmon migrate from freshwater streams and rivers to the sea. They return to their birthplace to reproduce. It is believed that the position of the sun and the stars as well as the...
