Prelims Pinpointer 24-12-2025

Prelims Pinponter

SHAKTI Scholars

Context

  • The National Commission for Women (NCW) launched SHAKTI Scholars – NCW Young Research Fellowship.
  • The fellowship aims to promote policy-oriented research on women-centric issues in India.
  • It focuses on strengthening evidence-based inputs for gender-responsive governance.

About SHAKTI Scholars Fellowship

  • SHAKTI Scholars is a six-month, grant-based research fellowship.
  • Designed for young scholars and independent researchers.
  • Encourages multidisciplinary and policy-relevant research on women’s issues.
  • Implemented and funded by the National Commission for Women (NCW).

Objectives

  • Promote evidence-based research addressing challenges faced by women.
  • Create a pipeline of young researchers supporting gender-sensitive policymaking.
  • Generate research inputs to inform laws, schemes, and institutional reforms.
  • Strengthen the link between academic research and public policy.

Eligibility Criteria

  • Nationality: Only Indian citizens are eligible.
  • Age limit: Between 21 and 30 years.
  • Educational qualification: Minimum graduation from a recognised institution.
  • Preference given to:
    • Candidates pursuing or holding post-graduation, M.Phil., or PhD.
    • Scholars from disciplines like Gender Studies, Law, Social Sciences, Public Policy, Economics, Health, Technology, and Development Studies.

Key Features

  • Research grant: ₹1 lakh per fellow.
  • Grant covers data collection, fieldwork, analysis, and documentation expenses.
  • Duration: Fixed at six months, ensuring policy relevance and feasibility.
  • Phased fund release: Disbursement linked to progress and accountability milestones.

Priority Research Themes

  • Women’s safety and dignity.
  • Gender-based violence and POSH Act implementation.
  • Legal rights and access to justice.
  • Cyber safety and digital risks.
  • Health, nutrition, education, and skill development.
  • Economic empowerment and women’s labour force participation.
  • Women’s leadership, political participation, and work-life balance.

Significance

  • Strengthens gender-focused policy research ecosystem.
  • Enhances youth participation in governance-oriented research.
  • Supports NCW’s mandate of advancing women’s rights and empowerment.

Raccoon Roundworm (Baylisascaris Procyonis)

Context

  • A recent European study reports widespread raccoon roundworm infection in wild raccoon populations.
  • High prevalence detected across nine European countries, with Germany as the epicentre.
  • Raises concerns due to severe zoonotic risk despite rare human infections.

What is Raccoon Roundworm

  • Raccoon roundworm is a zoonotic parasitic disease caused by the nematode Baylisascaris procyonis.
  • It primarily infects raccoons, but humans and other animals are accidental hosts.
  • Human infection can lead to serious neurological and ocular damage.

Origin and Spread

  • Native to North America, where raccoons are natural reservoir hosts.
  • Introduced into Europe during the early 20th century via pet trade and fur farming.
  • Escaped raccoons formed wild populations, enabling parasite establishment and spread.
  • India remains unaffected due to absence of wild raccoon populations.

Hosts and Geographic Distribution

  • Primary host: Raccoons (Procyon lotor).
  • Accidental hosts: Dogs, birds, rodents, and small mammals.
  • Geographical presence:
    • Endemic in North America.
    • Established in Europe across multiple countries.

Transmission and Risk Factors

  • Infection occurs through ingestion of embryonated eggs from contaminated soil or surfaces.
  • Children are high-risk due to soil exposure and inadequate hand hygiene.
  • Eggs become infectious 2–4 weeks after shedding in the environment.

Symptoms in Humans

  • Early symptoms: Nausea, fatigue, hepatomegaly.
  • Neurological signs: Loss of coordination, attention deficits, muscle weakness.
  • Severe manifestations:
    • Ocular larva migrans: Vision loss or blindness.
    • Neural larva migrans: Brain damage, coma, or death.

Key Biological Features

  • Eggs are extremely resilient, surviving for years in soil.
  • Adult worms produce millions of eggs, increasing environmental contamination.
  • Diagnosis is difficult, with no widely available definitive human tests.
  • Characterised by low incidence but very high severity.

Public Health Significance

  • Represents a major emerging zoonotic threat in Europe.
  • Highlights risks associated with invasive species and wildlife–human interfaces.
  • Emphasises need for wildlife surveillance, public awareness, and hygiene measures.

Mars Atmosphere and Volatile Evolution (MAVEN) Spacecraft

Context

  • NASA lost contact with the MAVEN spacecraft in early December 2025.
  • Communication blackout occurred during a routine operational phase.
  • Mission silence has raised concerns regarding continuity of Mars atmospheric observations.

What is MAVEN

  • MAVEN is a NASA Mars orbiter mission focused on studying Mars’ upper atmosphere.
  • It examines the ionosphere, solar interactions, and atmospheric escape processes.
  • Mission helps explain Mars’ transition from a warm, wet planet to a cold, dry world.
  • Launch date: 18 November 2013.

Mission Objectives

  • Determine how and how fast Mars lost its atmosphere over geological time.
  • Assess the role of the Sun and solar wind in stripping atmospheric gases.
  • Provide communications relay support for surface missions on Mars.

Orbital Design and Mission Architecture

  • Operates in a highly elliptical orbit, sampling a wide range of altitudes.
  • Enables study of daily, seasonal, and solar-driven atmospheric variations.
  • Close atmospheric passes allow direct measurements of escape regions.
  • Distant orbital segments enable global-scale atmospheric observations.

Scientific Payload and Capabilities

  • Carries eight specialised scientific instruments for atmospheric diagnostics.
  • Instruments analyse neutral gases, ions, plasma, magnetic fields, and solar wind.
  • Equipped with Imaging Ultraviolet Spectrograph (IUVS) for atmospheric mapping.
  • Lacks a conventional camera; relies on ultraviolet imaging for composition studies.

Key Scientific Contributions

  • Confirmed solar wind stripping as a dominant atmospheric loss mechanism.
  • Demonstrated long-term depletion of Martian atmosphere over billions of years.
  • Identified water loss pathways, where hydrogen escapes irreversibly to space.
  • Showed solar storms sharply accelerate atmospheric escape rates.
  • Linked atmospheric thinning to Mars’ loss of surface liquid water.

Additional Mission Role

  • Acts as an interplanetary communications relay satellite.
  • Supports data transmission from rovers like Curiosity and Perseverance.

Significance

  • MAVEN provides critical insights into planetary habitability evolution.
  • Findings inform comparative studies of Earth, Mars, and exoplanet atmospheres.
  • Loss of contact threatens a key dataset on Mars–Sun atmospheric interactions.

Ghost Pairing

Context

  • The Ministry of Electronics and Information Technology (MeitY) issued an advisory on WhatsApp “ghost pairing”.
  • Advisory highlights rising cases of social-engineering–based cyber fraud targeting messaging platforms.

What is Ghost Pairing

  • Ghost pairing is a social-engineering cyberattack enabling unauthorised WhatsApp account access.
  • Fraudsters secretly link a victim’s WhatsApp account to their own device.
  • Attack occurs without hacking the phone, SIM swap, or password compromise.
  • Enables attackers to access real-time chats, media files, and contact lists.

Objective of the Attack

  • Gain unauthorised access to private conversations and personal data.
  • Steal sensitive information like documents, photos, and OTP clues.
  • Conduct identity theft, financial fraud, extortion, or follow-up scams.
  • Exploit trust to empty bank accounts or impersonate victims.

Modus Operandi

  • Impersonation: Attacker poses as a known contact, bank, or government authority.
  • Bait message: Victim receives alarming messages like “Account blocked” or “Check this photo”.
  • Urgency creation: Panic induced through threats of number deactivation or financial loss.
  • Verification trap: Victim unknowingly approves a WhatsApp device-linking request or shares verification code.
  • Silent takeover: Attacker’s device becomes a linked companion device, granting full access.
  • Victim often remains unaware until misuse or financial loss occurs.

Key Features

  • No SIM swap required, unlike traditional WhatsApp account hijacking.
  • No password cracking or malware installation involved.
  • Exploits human trust, urgency, fear, and inattention.
  • Functions across WhatsApp, Telegram, and similar messaging platforms.
  • Allows continuous surveillance and data extraction without alerts.

Limitations and Detection

  • Attack succeeds only if the victim takes action, such as approving pairing.
  • Linked devices are visible under WhatsApp → Linked Devices settings.
  • Unknown devices can be manually removed, instantly cutting attacker access.
  • Financial fraud creates digital transaction trails, enabling account freezing if reported quickly.

Significance

  • Highlights growing risks of social-engineering attacks over technical hacking.
  • Emphasises need for digital awareness and user vigilance in messaging platforms.

Yellowstone National Park

Context

  • The U.S. Geological Survey (USGS) released footage of mud eruptions at Black Diamond Pool.
  • Activity highlights renewed hydrothermal processes within Yellowstone National Park.

What is Yellowstone National Park

  • Yellowstone National Park is the world’s first national park, known for geothermal and volcanic features.
  • It hosts nearly half of the world’s hydrothermal features, including geysers, hot springs, and mud pools.
  • The park represents a rare intact temperate ecosystem with high ecological and geological value.

Location and Extent

  • Located in the northwestern United States, spanning Wyoming, Montana, and Idaho.
  • Covers approximately 8,992 sq km, making it one of the largest protected areas in the U.S.
  • Lies over a volcanic hotspot, influencing surface geothermal manifestations.

Historical Background

  • Established on March 1, 1872, by an Act of the U.S. Congress.
  • Recognised as the first national park globally, pioneering conservation governance.
  • Declared a UNESCO Biosphere Reserve (1976) and World Heritage Site (1978).

Key Physical and Geological Features

  • Geothermal dominance: Over 10,000 hydrothermal features and more than 300 geysers.
  • Hosts iconic geysers like Old Faithful and Steamboat Geyser, the world’s tallest active geyser.
  • Volcanic hotspot: Magma chambers heat groundwater, producing geysers, fumaroles, and mud pots.
  • Seismicity: Experiences hundreds of minor earthquakes annually, indicating active subsurface processes.
  • Landscape diversity: Includes volcanic plateaus, lava flows, obsidian cliffs, and deep canyons.

Hydrology and Biodiversity

  • Contains Yellowstone Lake, North America’s largest high-altitude lake.
  • Includes the Grand Canyon of the Yellowstone River, carved by volcanic and fluvial action.
  • Supports rich wildlife such as bison, grizzly bears, wolves, and elk.
  • Maintains one of the largest intact temperate ecosystems globally.

Significance

  • Serves as a global natural laboratory for volcanology and geothermal research.
  • Set the global precedent for national park–based conservation models.
  • Offers vital insights into climate change, ecosystem resilience, and wildlife dynamics.

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