DPN Topics
Declining bird populations are a ‘grim’ reminder of rapid biodiversity loss, says new report Subject: Environment Section: Biodiversity Context: Around 60 percent of birds in India have experienced population decline over the long term of 30 years, says 2023 State of India’s Birds report. Details: Birds occupying open natural ecosystems, such as grasslands, […]
The ‘weird’ male Y chromosome has finally been fully sequenced. Can we now understand how it works, and how it evolved? Subject: Science and technology Section: Biotechnology Context: The Y chromosome bears genes that determine maleness and make sperm. It’s also small, carries few genes and is full of junk DNA that makes […]
Cyclone frequency may rise over Indian coast from the warming of Pacific: study Subject: Geography Section: Physical Geography Context: Tropical cyclones that originate near the Equator, while being devastating, have been unusually subdued in recent decades. The last major cyclone of this kind in the Indian neighborhood was the 2017 Cyclone Okchi which […]
US name first 10 drugs for price negotiations Subject: Science and technology Section: Health Context: The Biden administration has released its list of 10 prescription medicines that will be subject to the first-ever price negotiations by the U.S. Medicare health program More about the news: The Biden administration has announced that it will […]
India protests China’s latest map Subject: Science and technology Section: Health Context: China released the 2023 edition of its so-called “standard map” incorporating disputed areas and including its claims over Arunachal Pradesh and the Aksai Chin region. More about the news: China released the 2023 edition of its standard map based on the […]
Article 370 and constitutionality of CO 272, 273 Subject :Polity Section: Federalism Context: The Supreme Court has heard the arguments challenging the abrogation of Article 370. More about the news: CO 272 was issued on August 5, 2019 to amend Article 367 of the Indian Constitution. This amendment changed the reference from the […]
Gujarat Government Increases OBC Reservations to 27% in Panchayats and ULBs Subject: Polity Section: Local government Introduction The Gujarat government recently made a significant decision to raise the reservation percentage for Other Backward Classes (OBCs) from 10% to 27% within the realms of panchayats and urban local bodies (ULBs). Quota Expansion for Local […]
Pragyan confirms sulphur near south pole of moon; search on for hydrogen Subject :Science and technology Section: Space technology Pragyan Rover’s Discoveries on Moon’s Surface The Chandrayaan-3 mission’s rover, Pragyan, has confirmed the presence of sulphur on the moon’s surface, for the first time specifically near its south pole. Apart from sulphur, preliminary […]
Sun’s upper atmosphere: the corona Subject :Science and technology Section: Space technology Sun’s Corona Nature and Location The corona is the Sun’s outermost atmospheric layer. It extends thousands of kilometres above the visible surface of the Sun. Gradually transforms into the solar wind that permeates the solar system. Envelops all planets, including Earth, […]
Capillary Action: How Blotting Paper Absorbs Ink Subject :Science and technology Section: Msc Capillary Action Explained: Capillary action is a natural phenomenon displayed by liquids aiming to reduce surface tension. Liquids in thin tubes with very fine bores, known as capillary tubes, exhibit this action. When immersed in a liquid, the liquid rises […]