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Science » Nethraa

Category Archive: Science

Birds

Fishing Eagle: Palla’s fishing eagle is found in inland water in Pakistan and northern India. This majestic eagle is brown with pale head and a board white band across a tail. It hunts for its own prey-fishing, snakes, small mammals and crabs, ot pirates prey from other raptors, forcing to surrender their lawful prize. It …

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City without Traffic Lights

It is surprising to learn that the capital Bhutan, Thimphu is the only city in the world without traffic lights. It is located at an altitude of 7500 feet above the sea level, and is situated on the western slopes of the wangchu river. Its population is just about 1,00,000. By, Rushalli  






Fact File

  The further a river is from its source on a mountainside, the slower the water travels. This is because the river eventually reaches flatter ground and widens before it reaches the sea. Over millions of years, the human body has altered to suit the climate of the regions we inhabit. In general, the hotter …

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Iron

 Iron rusts, or corrodes in air because it dissolves in the acid solution provided by the moisture and the carbon dioxide of the air to form hydrous oxide. In an atmosphere which is rich in sulphur compounds, the process will be repaid.                                               Our industrial system is largely based on the use of iron and …

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Coastal land, Islands, and the sea.

The Earth – Land Scape and Sea Scape High Seas: open Ocean several miles or more from shore. Ocean: Any of vast, connected bodies of salt water that cover almost three-fourths of the earth’s surface. Oceanfront: Land directly along seashore. Offshore: Designating Area Sea laying a short way from beach. Pelagic: Of or on the …

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Know Your Brain

Our brain controls everything that happens in our body. In the form of nerve impulses, information travels to and from the brain along the thick bundle of nerves in our spinal cord. The brain is the only organ that can make decisions about actions, based on past experience (stored information), present events and future plans. …

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The Depth Of The Oceans Measured

The depth of the oceans is measured in fathoms. A fathom is six ft. Scientists who study the oceans are called oceanographers. Since the deep ocean is cold and dark, we really know very little about it. Parts of the ocean floors have been seen through the eyes of deep-sea cameras, but it still amounts …

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