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China’s ’Great Green Wall’ tames desert growth, but scientists say fight is not over

For half a century, millions of workers have repeated a task across the deserts in northern China: inserting forearm-length sticks into shifting sand, first in a row, then in an intersecting line, gradually forming a grid. Then saplings are planted at the centre of each small square. The technique, known as “straw checkerboards”, is a...

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A new era of Indian ecology looks to its horizons, and to the ground

Wildlife ecology in India looks different today than it did a decade ago. Climate change, habitat fragmentation, invasive species, and rapid development are all reshaping ecosystems faster than scholars can document them. Thus, ecologists are interested in how biodiversity has changed as well as how it is likely to change next. Just these questions shaped...

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Who is Anil Menon, the Indian-origin NASA astronaut of Malayali descent now in Earth orbit?

Anil Menon, a NASA astronaut of Indian heritage, has arrived at the International Space Station (ISS) in the early hours of Wednesday (July 15, 2026) onboard Soyuz MS-29 spacecraft, kickstarting his first eight-month mission. The Roscosmos spacecraft carrying Dr. Menon and Russian cosmonauts Pyotr Dubrov and Anna Kikina lifted off from Baikonur at 8:17 pm...

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How the Gaganyaan crew module is built to survive

Gaganyaan is India’s maiden crewed space mission, designed to carry Indian astronauts to space and safely return them back to earth. Here, the rocket — Human-rated Launch Vehicle Mark (HLVM) 3 — will inject the orbital module (OM) into the desired orbit. The Gaganyaan astronauts will be onboard the OM. What does the OM contain?...

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Nasa’s Anil Menon, two Russians blast off for 8-month International Space Station mission

NASA astronaut Anil Menon and two Russian cosmonauts on Tuesday (July 14, 2026) lifted off onboard a Soyuz MS-29 spacecraft from Kazakhstan on an eight-month mission to the International Space Station. The Roscosmos spacecraft carrying Mr. Menon and Russian cosmonauts Pyotr Dubrov and Anna Kikina lifted off from the Baikonur cosmodrome at 8:17 pm IST....

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Could the sugar in our bodies have first come from space?

A: It is possible, though we don’t yet know for sure. In fact, astronomers recently found a complex sugar in deep space for the first time. Using powerful radio telescopes, a team affiliated with institutes in Spain and five other countries spotted a complex sugar called erythrulose in a giant interstellar molecular cloud near the...

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