Science & Tech

Pfizer has reported mid-stage clinical-trial results for berobenatide, an investigational GLP-1 receptor agonist being studied as a possible once-monthly obesity injection. The development is important for UPSC because it connects biotechnology, chronic disease management, clinical-trial regulation, public health policy, India’s rising obesity burden and ethical questions around access to expensive weight-loss medicines.

AI authorship is back in the spotlight after the 2026 Commonwealth Short Story Prize was hit by allegations that some winning entries were AI-generated, with an AI detector flagging one Caribbean-winning story as "100% AI". The episode has revived a hard question: can software reliably tell whether a text was written by a human or a machine? This article explains the machine-learning science behind such detectors, the "AI tells" they look for, why the tools are not foolproof (false positives, low-entropy text, code and short text), and what this means for education, writing and publishing — all mapped to the UPSC syllabus.

A fast-spreading Ebola outbreak caused by the rare Bundibugyo virus in the Democratic Republic of the Congo (DRC) has been declared a Public Health Emergency of International Concern (PHEIC) by the WHO, with cross-border spread to Uganda. With no licensed vaccine or treatment for this strain, and an Indian-linked candidate vaccine in the pipeline, India has activated airport screening and surveillance. This article explains the virus, the PHEIC and IHR (2005) framework, the One Health approach, the vaccine gap, and India's epidemic-preparedness machinery.

The World Health Organization (WHO) has declared the Bundibugyo strain Ebola outbreak in the Democratic Republic of the Congo (DRC) and Uganda a Public Health Emergency of International Concern (PHEIC), with WHO chief Dr Tedros Adhanom Ghebreyesus visiting the epicentre as cases crossed 900 and deaths mounted. Because no vaccine or treatment is approved for the Bundibugyo strain, the Serum Institute of India (SII), with Oxford University and CEPI, is fast-tracking a ChAdOx1 vaccine. This article explains the Ebola virus and its strains, the PHEIC mechanism under the International Health Regulations (2005), the vaccine race, India's role in global vaccine security, and the One Health link — all from a UPSC Prelims and Mains perspective.

In a first of its kind, the European Space Agency (ESA) and the Chinese Academy of Sciences (CAS) launched the SMILE mission (Solar wind Magnetosphere Ionosphere Link Explorer) on 19 May 2026 aboard a Vega-C rocket to study Earth's magnetic shield against the Sun. SMILE will capture the first-ever X-ray images of the magnetosphere. This article explains the SMILE mission, Earth's magnetosphere, solar wind, geomagnetic storms, auroras, space weather, the four science instruments, the highly elliptical orbit, and how it links to India's Aditya-L1 — everything UPSC aspirants need on this landmark space-science mission.

On March 27, 2026, industry experts speaking at Semicon China in Shanghai warned that the ongoing conflict in West Asia has tightened global helium supply, and this shortage has already started affecting tech supply chains. Helium is critical for chipmaking, and companies are now facing delays in production, longer delivery times and higher costs. The news comes as Qatar, which supplies nearly one-third of the world’s helium, faces disruptions, leaving the semiconductor, electronics, automobile and medical device industries scrambling for alternatives.

India's first space launch of 2026 ended in failure when the PSLV-C62 rocket, carrying 16 satellites including a key earth observation payload, deviated from its path due to a problem in the third stage. This marks the second straight failure for ISRO's trusted PSLV rocket in less than a year, raising questions about its dependability and affecting commercial and strategic goals.

India's first space mission of 2026 ended in failure when the PSLV-C62 rocket, launched from Sriharikota, deviated from its path due to a problem in the third stage. This led to the loss of 16 satellites, including the main earth observation satellite and international payloads, raising concerns about the reliability of ISRO's workhorse rocket just months after a similar failure in 2025.

Google DeepMind, in collaboration with Yale University, has unveiled the C2S-Scale 27B AI model, which generated a completely new scientific hypothesis about how certain drugs can make "cold" cancer tumors more detectable by the immune system. This hypothesis was tested and confirmed through lab experiments on living human cancer cells, marking the first time an AI has proposed and validated a novel biological idea in this way. The discovery, announced on October 16, 2025, and detailed in a bioRxiv preprint, highlights AI's potential to speed up cancer drug research by simulating thousands of possibilities virtually before lab work.

The Indian government, through the Ministry of Electronics and Information Technology (MeitY), proposed amendments to the Information Technology (Intermediary Guidelines and Digital Media Ethics Code) Rules on October 22, 2025, making it mandatory for social media users and platforms to label AI-generated or synthetically altered content. This move comes amid a surge in non-consensual deepfake videos targeting women, including celebrities like Rashmika Mandanna and Aishwarya Rai, which blend seamlessly into feeds on Instagram and X, eroding privacy and consent while spreading misinformation at scale. The rules aim to empower users to distinguish real from fake, with platforms required to verify declarations and apply visible markers, addressing a crisis where 90% of deepfake victims are women.

On October 20, 2025, Amazon Web Services (AWS) experienced a significant outage due to a DNS resolution issue in its DynamoDB service endpoints, affecting over 1,000 online platforms and services globally. This event disrupted everyday digital activities for millions, from messaging apps to financial transactions, and highlighted the critical role of cloud infrastructure in modern internet operations, prompting discussions on the need for greater diversification in cloud reliance.

The Indian government is preparing a new initiative to attract established Indian-origin scientists and researchers from abroad, particularly from the US, to return and contribute to domestic institutions. This comes amid the Trump administration's stringent policies on higher education, including caps on international student intake and freezes on federal grants for universities, which have raised concerns about academic freedom and prompted global competition for talent.