Introduction: The Expanded Programme on Immunization (EPI) launched by the World Health Organization (WHO) in 1974 marks a significant milestone in global public health. It aimed to ensure universal access to life-saving vaccines for children, initially focusing on six childhood diseases: diphtheria, pertussis, tetanus, polio, measles, and tuberculosis. EPI: A …

Introduction Methane (CH4) is a potent greenhouse gas, contributing significantly to global warming. While natural sources contribute a portion, microbial activity plays a crucial role in methane production and consumption, influencing the overall atmospheric concentration. Sources of Methane Emissions: Natural Sources: Wetlands: Decomposition of organic matter in anoxic wetland soils …

Concept : Phishing is a cybercrime where attackers attempt to gain access to sensitive information, such as usernames, passwords, credit card details, or personal data, by masquerading as a trustworthy entity. This is typically done through emails, phone calls, SMS, or social media messages. Key Terms: Techniques: Phishing emails often …

Concept : Chandrayaan-1 (2008): First Mission & Water Discovery: Launched in 2008, Chandrayaan-1 was India’s first mission to the Moon. It successfully orbited the Moon for nearly 10 months, conducting various scientific experiments. Key Finding: Most significantly, Chandrayaan-1 provided the first evidence of water ice on the lunar surface. This …

Concept : In the realm of particle physics, quarks are fundamental particles that constitute protons and neutrons, the building blocks of atomic nuclei. These subatomic particles are essential for comprehending the structure of matter and the fundamental forces that govern the universe. Key Points about Quarks: Types of Quarks: There …

Concept : Lunar Occultation : A lunar occultation occurs when the Moon passes in front of a star or planet, temporarily blocking it from view. Antares: Antares is a bright red supergiant star in the constellation Scorpius. It’s about 15 times the mass of our Sun and one of the …