Current Affairs Exam

The Universe’s Mirror

April 11, 2025April 11, 2025 by rawan239

CP Violation Confirmed in Baryons: CERN’s LHCb experiment has confirmed Charge-Parity (CP) violation in baryons, specifically the lambda-b (Λb) particle. This is the first discovery
Subscribe on YouTube
of CP violation in baryons to surpass the five-sigma statistical threshold.
What is CP Violation? It’s a difference in the behavior of matter and antimatter under combined charge conjugation (C) and parity transformation (P). Ideally, matter and antimatter should behave identically.
Lambda-b Baryon Decay: Scientists
Join Our Telegram Channel
observed the lambda-b baryon decaying into a proton, a kaon, and two pions. A difference in decay rate between the lambda-b baryon and its antimatter counterpart signifies CP violation.
Matter and Antimatter Basics: Matter has mass and occupies space, composed of atoms and molecules. Antimatter consists of particles that are mirror counterparts of matter, with opposite electric charge.
Matter-Antimatter Interaction: When matter and antimatter collide, they annihilate each other, producing gamma rays.
Baryon Asymmetry Importance: The universe’s dominance of matter over antimatter (baryon asymmetry) remains a significant unsolved puzzle in physics.
Antimatter Uses: Positrons are used in PET scans for cancer detection. CERN produces nanograms of antimatter annually for research.

India’s Climate Beacon

April 11, 2025April 11, 2025 by rawan239

India’s First Climate Change Station: Inaugurated in Nathatop, Jammu & Kashmir (J&K), at 2,250 meters above sea level.
Strategic Location: Chosen for clean air and minimal pollution, ideal for accurate atmospheric measurements.
Research Focus: Studies cloud formation, aerosol interactions, and weather patterns in the Himalayas.
ICE-CRUNCH Project: Launch of Indo-Swiss joint research to study Ice Nucleating Particles (INPs) and cloud condensation nuclei, crucial for climate modeling.
Global Significance: Enhances India’s role in climate science and supports net-zero emissions target (by 2070).
Gateway to Himalayan Climate Research: Facilitates cutting-edge climate research in the north-western Himalayas.
Collaboration: Involves Ministry of Earth Sciences, J&K Forest Department, Central University of Jammu, and Swiss National Science Foundation.
WMO Global Atmospheric Watch (GAW): Aims to become a long-term research hub affiliated with the program, integrating data into

Join Our Telegram Channel
Subscribe on YouTube
global climate models.
Capacity Building: Plans to train young scientists and develop climate modelling capabilities in India.
Economic Growth: Preserving Himalayas could unlock vast resources that could play a pivotal role in India’s future economic growth.
Addressing Climate Concerns J&K also joins India’s global headways in addressing the climate concerns.

Thar Desert

April 11, 2025April 11, 2025 by rawan239

Greening Trend: The Thar Desert has experienced a 38% annual increase in greening over the past two decades.
Driving Factors: Increased monsoon rainfall and agricultural expansion are the primary drivers behind this greening trend.
Groundwater Impact: Groundwater contributes significantly to vegetation growth, accounting for 55% of the annual impact, compared to precipitation’s 45%.
Unique Desert: The Thar Desert is unique, showing a concurrent rise in population, rainfall, and vegetation in recent decades.
Location and Size: The Thar Desert, also known as the Great Indian Desert, is a large arid region in the northwestern part of the Indian subcontinent. It covers approximately 200,000 sq. km.
Boundaries: Bordered by the Sutlej River (northwest), Aravalli Mountain Ranges (east), Rann of Kutch (south), and Indus Valley (west).
Climate: The desert has extreme temperatures (hot summers, cold winters) with low rainfall (100-500 mm annually).
Mineral Rich: The Thar Desert is rich in minerals like coal, gypsum, limestone, salt, and bauxite.

Current Affairs (2664)

ANDHRA PRADESH (529)

MADHYA PRADESH (527)

TAMILNADU (524)

Join Our Telegram Channel

Subscribe on YouTube

href="https://exam.pscnotes.com/odisha-notes-for-state-psc-exams/">ODISHA (523)

JHARKHAND (523)

TELANGANA (519)

HIMACHAL PRADESH (514)

NORTH-EASTERN STATES (464)

GUJARAT (461)

UTTAR PRADESH (451)

National & International Days (128)

Jan-2025 (30)

Feb-2025 (28)

Mar-2025 (27)

National Critical Mineral Mission (NCMM) Launched (2025): Aims for self-reliance in critical minerals, supporting India’s clean energy goals and national security.
Why Critical Minerals Matter: Essential for modern technologies (solar panels, wind turbines, EVs, energy storage) and defense. Supply chain vulnerabilities exist due to limited availability and geographical concentration.
India’s Identified Critical Minerals: 30 minerals listed, including lithium, cobalt, nickel, graphite, and rare earth elements (REEs).
Central Government Auctioning Powers: 24 minerals added to Part D of Schedule I of the MMDR Act, 1957, granting the Central Government exclusive auctioning rights.
Centre of Excellence for Critical Minerals (CECM): Established to regularly review the mineral list and guide policy.
Geological Survey of India (GSI) Role: Leading exploration efforts, with 1,200 projects planned (2024-25 to 2030-31), and following UNFC classification.
Domestic Exploration Boost: GSI intensifies exploration programs, including 195 projects in the 2024-25 field season, with a focus on critical mineral deposits. Over 100 critical mineral blocks are set to be auctioned.
International Cooperation: KABIL (Khanij Bidesh India Ltd) actively pursuing overseas mineral assets, including agreements with Argentina (lithium) and Australia (lithium, cobalt).
IREL (India) Limited’s Role: Processing beach sand minerals and operating Rare Earth Extraction and Refining Units, focused on expanding production capacity.
Mission Objectives: Secure mineral supply chain, strengthen value chains, encourage recycling, and promote innovation.
India’s Climate Goals: NCMM supports India’s targets
Join Our Telegram Channel
of reducing emissions intensity by 45% by 2030, achieving 50% non-fossil electric power capacity by 2030, and reaching net-zero emissions by 2070.