Science & Technology Current Affairs MCQs

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Researchers from IIT Guwahati and Bose Institute, Kolkata, created an advanced injectable hydrogel for localized cancer treatment. The hydrogel acts as a stable reservoir, releasing anti-cancer drugs in a controlled way. It minimizes harm to healthy cells while targeting cancer effectively. The breakthrough is expected to revolutionize breast cancer therapy. The hydrogel is made from protein-based ultra-short peptides, stable at injection sites, and insoluble in body fluids. The peptides are biocompatible and biodegradable, ensuring safety and effectiveness.

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A webinar on osteoporosis was organized by Naruvi Hospitals, Vellore recently. Experts highlight calcium intake, regular exercise, and healthy habits to prevent bone loss. Osteoporosis is a disease that weakens bones, making them thinner and more prone to fractures. It commonly affects bones like hips, wrists, and the spine. The condition occurs when bone loss outpaces new bone creation, often due to low hormone levels. The disease is often called “silent” because it shows no symptoms until a fracture occurs.

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AnemiaPhone, developed by Cornell University, is now part of Indian Council of Medical Research (ICMR) programs for anemia, women’s health, and maternal and child health in India. It offers quick, accurate, and low-cost iron deficiency assessment. Anemia affects 50% to 70% of pregnant women in India, with iron deficiency as the main cause. The device uses a drop of blood on a test strip, similar to a COVID-19 test, providing results in minutes. Data is uploaded to a clinical database via mobile devices, enabling healthcare workers to provide immediate guidance, referrals, or interventions.

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Researchers developed the first nanobody-based inhibitors targeting the Ebola virus. Ebola is caused by ortho ebola viruses, discovered in 1976 in the Congo, primarily found in sub-Saharan Africa. The virus gets its name from the Ebola River in Congo. Fruit bats are natural hosts, and it spreads through contact with infected animals or humans. Symptoms include fever, diarrhea, vomiting, bleeding, and often death. The average fatality rate is around 50%. There is no cure exists for Ebola. Experimental treatments like monoclonal antibodies have been used. Treatment focuses on fluid balance, blood plasma, and early intervention for better recovery chances.

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Russia’s atomic agency has shipped the reactor vessel for the sixth unit of Kudankulam Nuclear Power Plant to India. The Kudankulam plant, located in Tamil Nadu, is India’s largest nuclear power plant with six reactors and a total capacity of 6,000 MW. The reactor vessel, weighing 320 tonnes, was manufactured by Rosatom’s division Atommash and shipped from Novorossiysk at the end of 2024. The reactor vessel will travel 6,000 miles by sea to reach the construction site.

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Scientists discovered that metal lumps, called polymetallic nodules, on the dark seabed produce oxygen. Dark oxygen is created without sunlight or photosynthesis, which was previously thought to be the only way oxygen is produced. The oxygen comes from electrochemical activity in the nodules, not plants. Polymetallic nodules, made of metals like manganese, iron, cobalt, nickel, copper, and lithium, split H2O molecules into hydrogen and oxygen. This discovery challenges previous understanding and opens up new avenues for studying deep ocean processes and oxygen production at extreme depths.

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ISRO successfully launched the navigation satellite NVS-02 on January 29 aboard GSLV-F15 from Satish Dhawan Space Centre (SDSC), Sriharikota. This was ISRO’s historic 100th launch, marking a major milestone. GSLV-F15 used an indigenous cryogenic stage to place the satellite in a Geosynchronous Transfer Orbit (GTO). This was the 17th flight of the GSLV series and the 11th using ISRO’s cryogenic engine. NVS-02 will replace IRNSS-1E and enhance India’s navigation capabilities.

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Chinese researchers developed a new voice-based method for early Alzheimer’s detection. The study was led by Prof. Li Hai at the Hefei Institutes of Physical Science, Chinese Academy of Sciences. Alzheimer’s disease is a brain condition that causes memory loss and cognitive decline. It affects thinking, learning, and organizing skills over time. It is the most common type of dementia, making up 60-80% of cases. The disease impacts brain regions responsible for thought, memory, and language.

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World Leprosy Day is observed on January 30 to raise awareness and remove misconceptions about leprosy. Leprosy, or Hansen’s disease, is a chronic infection caused by the Mycobacterium leprae bacteria, affecting skin and nerves. If untreated, it leads to permanent disabilities and social stigma. Leprosy is a neglected tropical disease affecting over 120 countries, with 200,000 new cases annually. It spreads through prolonged close contact with untreated cases, not through casual contact.

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IIT Madras launched India’s first cancer genome database to boost cancer research. India is underrepresented in global cancer genome studies, limiting targeted diagnostics and drug development. The Cancer Genome Programme started in 2020 and has sequenced 960 whole exomes from 480 breast cancer samples across India. The Bharat Cancer Genome Atlas (BCGA) will help in early diagnosis, disease progression tracking, and treatment planning. The database supports personalized medicine and helps identify high-risk groups and novel drug targets.