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B Sumangal

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What kind of Family Life did the Dinosaurs Have?

In Argentina this year, scientists digging on a site made a fantastic discovery, which made them realise that dinosaurs lived as a large family. The site consisted of many nests with each nest containing as many as 15 to 30 eggs. The eggs belonged to a plant-eating dinosaur called Titanosaurs. It is the biggest nesting site of dinosaurs found...

Why are Some Reptiles Brightly Coloured?

Most animals have skin colour that makes them merge into their surroundings. They become near invisible unless you look very closely. But some reptiles such as the sea-snakes, coral snakes and frogs of Central and South America are brilliantly coloured or have bright bands like deep yellow, orange, pink on their bodies.They are easily visible among the green leaves...

Why do Beavers Build Dams?

Picture a giant rat with a flat tail and webbed feet. That's what the beaver looks like.There are two kinds of beavers: the American and the European. The European beaver, found in Norway, Poland, Germany and France, lives in burrows.But the American beaver builds a dam across a stream or lake to construct his home or lodge. The lodges...

What does SOS mean?

Recently, sailors on the nuclear submarine that sank in the Baltic Sea were isolated from rescue workers as their radio set got damaged. Luckily their radio operators knew the Morse code and were able to communicate by knocking on the sides of the ship.There are many explanations for what the words stand for: Save Our Souls; Save Our Ship;...

Why are Eggs Oval?

Have you ever climbed a tree and peeked into the nest of a crow or a sparrow? Or looked into that flowerpot where the noisy pigeon decided to lay its eggs? The sight of a mother hen sitting on a bunch of fresh white eggs is great, though most of us see them only when they land on the...

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