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The story of dapsone: from dye to drug

India observes Anti-Leprosy Day on January 30, the death anniversary of Mahatma Gandhi. For most of history, leprosy was treated not as a medical condition but as a moral one. Across major religions and ancient traditions, people with leprosy were described as impure, cursed, or unclean. They were made to live outside towns, barred from...

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Working towards first uncrewed mission for Gaganyaan programme: ISRO Chairman

ISRO is working towards the first uncrewed mission of its ambitious Gaganyaan Mission scheduled for 2027, Chairman V. Narayanan has said. The Gaganyaan mission is India’s first human spaceflight programme currently under development. It aims to send a three-member crew on a three-day mission to space and bring them back safely to Earth. “Gaganyaan programme...

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US judge signals Elon Musk’s xAI may lose lawsuit accusing Altman’s OpenAI of stealing trade secrets

A U.S. federal judge signaled on ‌Friday she may dismiss a lawsuit by Elon ​Musk’s artificial intelligence startup xAI accusing Sam Altman’s rival OpenAI of stealing trade secrets to gain an unfair advantage in developing AI technology. U.S. District Judge Rita Lin in San Francisco said her “tentative view” is to grant OpenAI’s motion to...

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Why some rivers refuse to mix

Two rivers meet, and yet, they do not become one. They run side by side, different in colour and texture, divided by a sharp, visible line that seems to defy everything we know about water. After all, place two droplets together and they merge instantly. So how can two massive, fast-moving rivers touch, and still...

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Economic Survey 2026: Private sector seeks anchor contracts as Dept of Space struggles to use funds

From the historic high of landing on the moon to the recent sobering reality of failed launches and near-misses that have triggered internal reviews, the last five years have been a period of strategic volatility for the Department of Space (DoS). What began as a celebrated era of ‘unlocking’ the sector, marked by the Indian...

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IIT-Kanpur team develops new way to predict solar cycles

The sun is a giant magnetic ball that goes through roughly 11-year cycles of activity that drive solar flares and space weather that can disrupt satellites and power grids on the earth. But predicting the strength and timing of these cycles has been difficult because scientists can’t see the magnetic fields deep inside the sun,...

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