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Ancient minerals: Which gave rise to life?
Life originated as a result of natural processes that exploited early Earth's raw materials. Scientific models of life's origins almost always look to minerals for such essential tasks as the synthe ... more
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Acid raid, ozone depletion contributed to ancient extinction
Around 250 million years ago, at the end of the Permian period, there was a mass extinction so severe that it remains the most traumatic known species die-off in Earth's history. Some researchers ha ... more
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A possible cause of the end-Permian mass extinction: Lemon juice?
Rain as acidic as undiluted lemon juice may have played a part in killing off plants and organisms around the world during the most severe mass extinction in Earth's history. About 252 million years ... more
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Second rocket launch site depends on satellite size, cost-benefit
The Indian space agency will decide on the need for a second rocket launch site after doing a detailed study on the cost-benefit and other aspects like the trend in remote sensing satellites, said i ... more
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