science and tech

Human Metapneumovirus (HMPV) Cases in China

China is currently experiencing a surge in Human Metapneumovirus (HMPV) cases, raising concerns about another virus outbreak in the region. As reports of overwhelmed hospitals emerge, parallels are being drawn to the early days of the COVID-19 pandemic. Here’s everything...

Transition to Electric Vehicles (EVs) in Delhi

Context: Delhi faces severe air pollution, with the transport sector being the single largest contributor. Studies highlight the significant health and economic costs associated with pollution, particularly due to PM 2.5 emissions, which lead to premature deaths and high healthcare...

How In-flight Internet Works?

Air India has announced the rollout of Wi-Fi Internet connectivity services on select domestic and international flights. It is the 1st Indian airline to offer Internet connectivity on domestic flights. Technologies Behind In-Flight Wi-Fi Air-to-Ground (ATG) Technology Uses cellular towers...

Obesity and Undernutrition, Parameters, Causes, Socio-economic Factors

Context: Obesity and overweight are causing over 3.4 million deaths every year worldwide. Obesity and Undernutrition India faces a growing challenge of both obesity and undernutrition, co-existing within the population, as per a new Lancet study. This phenomenon, known as...

Tobacco Epidemic in India, Awareness and Control Programs

Context: Tobacco is the leading preventable cause of disease and death globally, affecting both consumers and cultivators. India’s tobacco exports likely cross ₹13,000 crore this year. About Tobacco Tobacco cultivation in India was introduced by the Portuguese in 1605. It...

Chandrayaan-4 Mission Expansion gets Centre’s Approval

Context: According to ISRO, a series of space-docking experiments will be conducted before the launch of the Chandrayaan-4 mission. Chandrayaan-4 Mission Mission Objective: It aims to bring rock and soil samples back from the Moon. Modules: The Chandrayaan-4 spacecraft will...

Addressing the Issue of Not of Standard Quality (NSQ) Drugs in India

What was the recent incident? Five young mothers in Ballari district, Karnataka, allegedly died due to contaminated drugs manufactured by a pharmaceutical company in West Bengal. Challenges with the Current Regulatory Framework Fragmented Regulatory Authority: Under the Drugs and Cosmetics...

Air Independent Propulsion Systems in Submarines

Context: The Ministry of Defence has signed two contracts to upgrade the capabilities of India’s Scorpene-class submarines, on integrating advanced technologies like Air Independent Propulsion (AIP) modules and Electronic Heavy Weight Torpedoes (EHWT). Electronic Heavy Weight Torpedo (EHWT) It is...

NASA Parker Solar Probe Flies Closer to Sun than Any Spacecraft

Context: NASA's Parker Solar Probe has just made history by completing its closest pass to the Sun than any spacecraft ever before. On 24 December 2024, the Parker Solar probe made its closest approach to the Sun, coming to a...

Global Polio Resurgence and Need for Revaluation

About Polio Polio is a viral infectious disease that can cause irreversible paralysis and even death by affecting the nervous system. Transmission: The virus primarily spreads through the faecal-oral route and can multiply in the intestine, where it can invade...