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Rocky Planet of Fire and Ice

Would you believe it? The soft sand that we sink into on the beach is actually rock? Sand is what a rock becomes after years of being worn down by rivers. Years of sea waves crashing against huge rocks and cliffs makes rocks break into small particles. And ultimately, they end up as sand. The colours of sands --...

Fire in Water

July 8: A flame moved through water! Unbelievable? But it is true. This was the Olympic flame. It was carried under water last week. Why, one would ask. Because the games are being held in Sydney this year. The Olympic Games are held once in four years. And each time it is held, the Olympic flame is lit in Athens, the birthplace...

Why do Earthquakes Occur?

As a result of upheavals below its surface, the earth shakes now and then. This shaking of the earth is known as an earthquake. Few natural events are as violently destructive as an earthquake. It usually strikes without warning, giving off violent vibrations in the process. These vibrations not only shake the ground but also sometimes crack it open. And...

The Hot and Sizzling Volcano

Despite being the subject of considerable scientific study, Volcanoes continue to remain both dramatic and unpredictable. In 1991 Mount Pinatubo, 100 km north of the Philippines capital Manila, suddenly burst into life after lying dormant for more than six centuries. Most of the world’s active volcanoes occur in a belt around the Pacific Ocean, on the edge of the...

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...

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How Does Ice float?

A cool glass of water topped with huge chunks of ice is sure to quench your thirst on a hot summer day. But, before...

Meaningful Flowers

When you want to convey your feelings, you say it with flowers. Do you know that humans have attached different meanings and values to...

Which is the Oldest Church in India?

In 52 A.D. Thomas Didaemus, one of the 12 apostles of Jesus Christ is believed to have landed at Musiris (Cranganore) in Kerala. He...

How Do Fish Survive in Icy Waters?

In cold winter months, lakes and rivers freeze over forming ice. Yet, fish and other aquatic animals manage to survive. Animals like seals, penguins, walruses...

How does a Submarine Work?

Jules Verne in his science fiction, 20,000 Leagues under the Sea, mentions a ship, Nautilus, which could dive beneath the waves and...