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Material that expands under pressure
An unusual property called pressure-induced expansion is found in only certain zeolites. Using a technique called ``powder diffraction'' researchers have deciphered a zeolite's molecular structure which now explains how it could suck up twice the nor mal amount of water _ a superhydrated zeolite. More
Ultra cold plasmas are a chilling puzzle
PLASMAS, WHICH include the bright glowing stuff in a fluorescent lamp, are clouds in which ions and free electrons move around independently as charged particles. Plasma is thought to be the most common form of matter in the universe, but it's ... More
`Roll and carry TV screens
IMAGINE A flexible television or computer screen that you can view, holding it like a newspaper, while on a bus then folding it, to carry in your pocket. Dream of technologists to create a material combining the qualities of paper lightness and ... More
Fossil teeth reveal human growth pattern
THE LONG period of development leading up to a modern human's adulthood arose relatively late in our evolutionary history, according to an analysis of growth patterns in fossil teeth in the journal Nature, written by Christopher Dean of ... More

HEALTH & MEDICINE
Fatty foods trigger taste buds
Humans can indeed taste fat say Purdue researchers. This would mean that ability is a sixth basic taste. More

SPEAKING OF SCIENCE
How we ape the ape for our genome!
THE GENOME is the entire collection of the genetic material of an organism. Genes are strung together in it, just as sentences are in the chapters of a book. Each chapter is a chromosome. Chemical analysis of this genetic material reveals it to ... More

PATHS OF INNOVATORS
Father of science movement in India
MAHENDRALAL SIRCAR was born (November 2, 1833) in a poor family at Paikpara near Calcutta. He studied at the Have School, where David Hare a great educationist a deep impression on him. After the latter's death in June 1842, he used to attend ... More

AGRICULTURE
FARMERS NOTBOOK
New mutant crossandra with attractive flowers
A HIGH yielding crossandra with light orange hue has been developed by the innovative farmer-scientist Mr. T. Vengadapathy Reddiar of Koodapakkam village in Pondicherry. ` `This new variety is a mutant of Delhi crossandra, and it is developed ... More
Bharat Merino: A fine wool sheep breed
BHARAT MERINO is a fine wool sheep breed evolved at Central Sheep and Wool Research Institute, Rajasthan. This sheep comprises 75 per cent exotic fine wool inheritance (Rambouillet and Merino breeds) in the coarse wool breeds — Nali, ... More
Novel approach to mulberry cultivation
MULBERRY (MORUS) is a woody tree. Mulberry leaf protein is the only source for silkworm to biosynthesise the silk, which is made up of two proteins namely fibroin and sericin. It has been cultivated widely in India for ... More

QUESTION CORNER



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