Butterfly wings to the aid of glaucoma patients
INSPIRED by tiny structures on transparent butterfly wings, scientists have developed a light-manipulating surface for more effective and longer-lasting eye implants for glaucoma patients. Researchers
Frontline (Chennai)
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Chennai's agony
Chennai, the country's only metropolitan city without a perennial source of drinking water, is in the grip of acute water scarcity. Two of the rain-fed lakes that meet the city's needs - Poondi, and
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For equitable sharing of water
Mahatma Gandhi said that the earth has enough to meet the needs of everyone, but not for their greed. This is certainly true of water. It is estimated that the total fresh water available in India
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Contempt in question
The affidavits field in the Supreme Court by the Booker prize winner Arundhati Roy, the Narmada Bachao Andolan (NBA) leader Medha Patkar and the NBA's counsel Prashant Bhushan in response to
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The Tehri turnaround
Yet another review of the Tehri dam project has begun following a government order of April 10. Perhaps no other national project has seen as many technical reviews as the 260.5 metre high Tehri
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Trouble over Man
This monsoon, another tragedy is waiting to occur. And the place once again is the Narmada Valley. The dam in question this time is on the Man river and is one of the 30 big dams that form a part
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The climate change conundrum
March 2001 may well go down in the history of the climate change negotiations as the worst phase in the efforts at limited anthropogenic emissions known to cause global warming. On March 13,
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Commuters' crisis
As the Delhi State government takes the rap for having failed to meet a Supreme Court-mandated deadline to ensure that the entire diesel-run bus fleet of the capital is switched to compressed natural
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Climate concerns
An Intergovernmental Panel on Climate Change concludes that it is human activity that has essentially contributed to global warming in the last 50
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The receding Gangotri
The impact of global warming is perhaps already upon the Himalayas. The 30.2 km-long Gangotri glacier, the second largest among the 6,500-odd small and large glaciers in the Himalayas and which feeds
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Contempt concerns
The Supreme Court's order for issue of notice to Narmada Bachao Andola leader Medha Patkar, Arundhati Roy and Prashant Bhushan in a contempt of court petition against them raises certain questions of