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What is the Hubble tension?

A: There is a major disagreement among physicists about how fast the universe is expanding. Astronomers use a value called the Hubble constant to measure it. However, the two main ways to calculate this number have produced different results. In the first method, astronomers use the cosmic distance ladder. They observe nearby objects like pulsating...

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How much will Iran lose? The cost of Trump’s Hormuz blockade

After a month-long war and depleted infrastructure, economic strains can multiply for Iran following Unites States’ decision to blockade its ports at the Strait of Hormuz after the talks between both the sides faltered in Pakistan last weekend.The blockade could cost Iran up to $435 million or Rs 4,081 crore a day in economic damage,...

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Noida protest: Police flag QR code-based WhatsApp ‘syndicate’, 7 FIRs filed, over 300 held

Following violent clashes over wage demands, Noida saw heavy police presence and route marches as investigators flagged a possible organized WhatsApp syndicate. NOIDA: Even as the Uttar Pradesh government’s interim wage hike and heavy police deployment brought relative calm after Monday’s violence, fresh protests were reported in Noida on Tuesday, with security forces remaining on...

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New cell therapy shows promise to treat frailty among elderly

In many Indian homes, ageing unfolds quietly. A grandfather who once walked to the local market now pauses every few steps. A grandmother takes days to recover from a minor fall. Such changes are often dismissed as “normal ageing”. Medicine, however, increasingly recognises these signs as part of a condition called frailty, which is a...

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‘No gas for roti, naan’: Karachi families struggle as unannounced cuts enter second week

<img src="https://static.toiimg.com/thumb/msid-130254349,imgsize-33362,width-400,height-225,resizemode-4/no-gas-for-roti-naan-karachi-families-struggle-as-unannounced-cuts-enter-second-week.jpg" alt="'No gas for roti, naan': Karachi families struggle as unannounced cuts enter second week" title=" ‘No gas for roti, naan’: Karachi families struggle as unannounced cuts enter second week ” decoding=”async” fetchpriority=”high”> ‘No gas for roti, naan’: Karachi families struggle as unannounced cuts enter second week For the second consecutive week, unannounced gas...

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