Recently in News: Coconut growers in Tiptur taluk, Tumakuru district, Karnataka, have reported concerns over bud rot disease affecting coconut trees. Affected crop: Coconut palm (Cocos nucifera). Causal organism: Phytophthora palmivora, a fungus-like pathogen (oomycete). Nature of disease: It causes rotting of the terminal bud and surrounding tissues and can be fatal to the palm.…
UPSC Prelims Current Affairs for 21 October 2026
UPSC Prelims Current Affairs for 21 October 2026 brings together the news items of the day that map to the Prelims syllabus — polity, economy, environment, science and technology, and international relations. Each item is written as a factual pointer you can revise quickly, with the static-syllabus link made explicit so the reading feeds directly into your Prelims notes.
2 articles
Brown Bullhead Catfish
Species: Brown bullhead catfish. Habitat: Lake Memphremagog, located between Quebec in Canada and Vermont in the United States. Research significance: Researchers studied melanoma in this fish, which could provide clues to preventing the human body from rejecting a transplanted organ. Scientific finding: A 2026 study published in Nature identified the melanoma as a clonally transmissible…
Ravi Raaz
Hassan Khan
Shadab Ali