Science & Technology — current affairs

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Shingles Vaccine Linked to Lower Dementia Risk

Shingles Vaccine Linked to Lower Dementia Risk

Why in news? A large international study has found that older adults who receive a shingles vaccine have a lower risk of dying from dementia. Research...

Centre for Chronic Disease Control (CCDC)

Centre for Chronic Disease Control (CCDC)

Why in news? A recent study from the Centre for Chronic Disease Control (CCDC) received attention because it estimated, for the first time in India, h...

AstroSat and the UltraViolet Imaging Telescope

AstroSat and the UltraViolet Imaging Telescope

Why in news? The Indian Institute of Astrophysics (IIA) recently celebrated a decade of successful operation of the UltraViolet Imaging Telescope (UVI...

Tensor Processing Unit (TPU)

Tensor Processing Unit (TPU)

Why in news? With the rapid growth of artificial‑intelligence applications in 2025, specialised chips known as Tensor Processing Units (TPUs) have g...

DHRUVA – Digital Address Infrastructure

DHRUVA – Digital Address Infrastructure

Why in news? The Department of Posts has unveiled a policy framework called DHRUVA (Digital Hub for Reference and Unique Virtual Address) to create a ...

Discovery of Alaknanda – A Mature Spiral Galaxy in the Early Universe

Discovery of Alaknanda – A Mature Spiral Galaxy in the Early Universe

Why in news? Astronomers using the James Webb Space Telescope (JWST) have discovered a remarkably mature spiral galaxy nicknamed Alaknanda. The galaxy...

Calling Name Presentation (CNAP) Service – Showing Caller Names to Curb Fraud

Calling Name Presentation (CNAP) Service – Showing Caller Names to Curb Fraud

Why in news? The Department of Telecommunications (DoT) has decided to roll out a Calling Name Presentation (CNAP) service that will display a caller�...

Giant Sunspot and X‑class Solar Flare Raise Space Weather Alerts

Giant Sunspot and X‑class Solar Flare Raise Space Weather Alerts

Why in news? NASA and space weather agencies reported that a huge sunspot cluster more than ten times the size of Earth rotated into view at the start...

National Centre for Polar and Ocean Research – India’s Pole to Pole Explorer

National Centre for Polar and Ocean Research – India’s Pole to Pole Explorer

Why in news? The National Centre for Polar and Ocean Research (NCPOR) celebrated its silver jubilee in November 2025. To mark the occasion, India issu...

GLP‑1 Drugs – Managing Diabetes and Weight

GLP‑1 Drugs – Managing Diabetes and Weight

Why in news? Medications based on glucagon‑like peptide 1 (GLP‑1), such as semaglutide and tirzepatide, gained widespread attention in 2025 for th...

Bioremediation – using microbes to clean polluted environments

Bioremediation – using microbes to clean polluted environments

Why in news? With increasing awareness about sustainable waste management, scientists and policymakers are exploring bioremediation as an eco‑friend...

Sanchar Saathi – government initiative to secure mobile connections

Sanchar Saathi – government initiative to secure mobile connections

Why in news? On 28 November 2025, India’s Department of Telecommunications (DoT) privately directed smartphone manufacturers to pre‑install the ...

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