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Thursday, February 5, 2026
TopicStudy of rocks

Topic: study of rocks

Life-sustaining freshwater first appeared on Earth 4 billion years ago, finds Nature study

Geologists analysed ancient rock crystals from Australia to find that freshwater appeared on earth a mere 600 million years after the formation of the planet.

Study of rock shows how algae oxygenated earth 2 bn years ago to make way for other life forms

The team now plans to search for similar lime-mud deposits in other places around the world to gather additional insights about the Palaeoproterozoic era.

On Camera

How much does Trump really know about Iran?

Israel sees Iran as an existential threat. But the US, Turkey & Gulf states fear refugee flows or attacks on oil sites. These countries need a stable end-state for the whole region over more strikes.

Don’t expect big shifts in inflation & growth trends after CPI & GDP base year reset—MoSPI secy Garg

New consumer basket, expanded markets & digital datasets aim to make inflation estimates more representative, says MoSPI Secretary Saurabh Garg. Henceforth, MoSPI aims to revise base yr every 5 yrs.

HAL out, Indian private firm to make Advanced Medium Combat Aircraft fighter, all eyes on lowest bidder

As per the timeline decided, 5 prototypes of India’s own fifth-generation fighter are set to be rolled out by 2031, with the first by 2028 using the GE 414 engine.

Swiss report should now close Op Sindoor debate. Knowing when to stop the fight is key too

The key to fighting a war successfully, or even launching it, is a clear objective. That’s an entirely political call. It isn’t emotional or purely military.