Agents of UPSC CSE 🚩

Source: The Hindu An article for general reading

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⚡️Graphene

⚡️Graphene

In 324 BCE, after Alexander (the) Great's death, a remarkable coin known as the Porus Medallion was minted, celebrating his encounter with the Indian king Porus during the Battle of the Hydaspes. This silver decadrachm features Alexander on horseback wielding a sarissa, charging at Porus, who is depicted atop an elephant. Interestingly, this battle never unfolded as portrayed; Alexander's forces systematically outmaneuvered Porus's troops using archers before confronting the elephants. On the reverse side of the coin, Alexander holds a thunderbolt, symbolizing his divine lineage as the son of Zeus, a belief held by many in his army. Coin was Discovered in Afghanistan in 1926 and minted in Babylon, these coins reflect Alexander's self-image and propaganda. They serve as a fascinating glimpse into his mindset and the historical context of his campaigns in India, despite being minted posthumously.

The way soil is important for the plant growth. The people and the environment around you is equally important. Surround yourself with people who are loyal and genuine with you. You will glow and shine differently. Chose people who chose you for “you being good human” , care for your growth and well being rather than people who chose you to satisfy their needs and greed.

https://t.me/upsc_with_twinkle Blood of most molluscs (marine animals like squids, oysters, snails, octopuses etc) is blue due to the presence of copper containing protein hemocyanin

Hyundai Rotem, a subsidiary of Hyundai Motor Group, announced the development of the K3, the world’s first hydrogen-powered battle tank, in partnership with the Agency for Defense Development and the Korea Research Institute for Defense Technology Planning and Advancement.

Constitutional Morality

China - India placed at the fourth spot among top world economies in 2025 by IMF: Here's the complete list - The Economic Times https://m.economictimes.com/news/economy/indicators/india-placed-at-the-fourth-spot-among-top-world-economies-in-2025-by-imf-heres-the-complete-list/united-states-of-america/slideshow/114883302.cms

World Heritage sites.

https://t.me/upsc_with_twinkle Option 1: Turpentine oil is a common ingredient used as a thinner in paint to adjust its viscosity. It helps in achieving the desired consistency and flow of the paint. Option 2: Poly-hydroxy phenols (anti-skinning agent) Poly-hydroxy phenols are often used in paint as anti-skinning agents. They prevent the formation of a skin or crust on the surface of the paint when exposed to air. Anti-skinning agents are an essential component of paint. Option 3: Thiourea (accelerator) Thiourea is not typically used as an ingredient in paint. It is a chemical compound that can be used as an accelerator in various industrial processes, but it is not commonly found in paint formulations. Therefore, thiourea does NOT constitute paint. Option 4: Titanium dioxide (pigment) Titanium dioxide is a commonly used pigment in paint. It provides opacity and whiteness to the paint and is responsible for its color. Pigments are one of the primary components of paint.

⚡️List of Minerals and Their Uses

⚡️First ‘Black hole triple’ system discovered: What does it mean?