Monthly Archives: April 2008

Tribes in India

As of 2025, the tribal population in India is estimated to be over 104 million, which constitutes about 8.6% of the country’s total population.. One concentration lives in a belt along the Himalayas stretching through Jammu and Kashmir, Himachal Pradesh, … Continue reading

Posted in India, Tribes and Communites, Uncategorized | 9 Comments

when North goes South

The magnetic force surrounding a magnet is not uniform. There exists a great concentration of force at each end of the magnet and a very weak force at the center. Proof of this fact can be obtained by dipping a … Continue reading

Posted in Earth Magnetism | 1 Comment

The Seasons and Axis Tilt

The Earth’s seasons are not caused by the differences in the distance from the Sun throughout the year (these differences are extremely small). The seasons are the result of the tilt of the Earth’s axis. The Earth’s axis is tilted … Continue reading

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Aurora Borealis

Auroras (North/South Polar Lights; or aurorae, sing.: aurora) are natural colored light displays, which are usually observed in the night sky, particularly in the polar zone. The aurorae typically occur in the Ionosphere. Some scientists call them “polar auroras” (or … Continue reading

Posted in Uncategorized | 1 Comment