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Wastewater data revealed hidden COVID surges in Bengaluru after testing declined

Wastewater surveillance in Bengaluru closely tracked COVID-19 trends during the first Omicron wave, but later emerged as an important tool in identifying hidden surges that were not fully captured through routine clinical testing, according to researchers studying the city’s sewage-based monitoring network.  A study published in PLOS Global Public Health by researchers from the Indian...

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Mexico City is sinking so quickly, it can be seen from space

Mexico City is sinking by nearly 25 cm a year, according to new satellite imagery released this week by NASA, making it one of the world’s fastest-subsiding metropolises. One of the world’s most sprawling and populated urban areas, at 7,800 sq. km and some 22 million people, the Mexican capital and surrounding cities were built...

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GalaxEye launches Mission Drishti, India’s largest privately developed Earth observation satellite

Mission Drishti, the world’s first OptoSAR satellite developed by Bengaluru based space startup GalaxEye has been successfully launched on Sunday (May 3, 2026) aboard a Falcon 9 by SpaceX from Vandenberg, California. Weighing 190 kilograms, Mission Drishti is India’s largest privately developed Earth observation satellite. “It is the first satellite globally to integrate Electro-Optical (EO)...

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How dual-use satellites are blurring the lines of modern space war

When we imagine space warfare, we picture shattered satellites and orbital debris. The reality is quieter but also more dangerous. The markers of modern orbital conflict are signal loss, deliberate misdirection, and sudden system failures. In the initial hours of Russia’s invasion of Ukraine in 2022, a cyber-attack crippled Viasat’s KA-SAT network, severing vital communications...

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Rich nations might eliminate cervical cancer by 2048, progress slow in poor countries: study

High-income countries are on track to eliminate cervical cancer — preventable through vaccination and screening — by 2048, while low- and middle-income countries (LMICs) will see only slight reductions over the next century, according to a study published in The Lancet journal. As a result, the gap between regions will widen dramatically, with women in...

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India’s first State-led Centre of Excellence for space tech launched in Bengaluru

Karnataka has launched the country’s first State-led Centre of Excellence for Space Technology (CoE SpaceTech Foundation) in Bengaluru. The initiative aims to strengthen India’s capabilities to translate space innovation into scalable, commercial outcomes. The centre has been established by the State government through the Karnataka Innovation and Technology Society in collaboration with SIA-India.

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Science Snapshots: May 3, 2026

Electric method can identify coffee strength and roast The industry’s current tools can measure coffee strength but can’t separate roast colours. Researchers used cyclic voltammetry to pass a current through brewed coffee and found the electrical response revealed the strength. They also found the roast colour was related to how much caffeine stuck to the...

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Invasive species may be the wrong enemy in a changing subcontinent

Across India, campaigns against invasive alien species (IAS) are gathering administrative and judicial force. Authorities now identify, map, classify, and remove species deemed ecological threats. In the last year alone, India’s English-language press has carried sustained coverage of ecological-loss studies, State eradication drives, and human-wildlife conflicts linked to such species. What was once a niche...

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