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Crates of tomatoes lined up at the Rayakottai mandi in Krishnagiri, Tamil Nadu. | Photo Credit: N. Bashkaran/The Hindu The evolution and growth of the humble tomato as an essential ingredient of our daily diet across the world is a fascinating story. Yolanda Evans writes in the June 5, 2025, issue of National Geographic magazine…
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Android smartphones around the world have been actively helping provide earthquake alerts using their acceleration sensors. Between 2021 and 2024, these phones sent thousands of successful warnings to people living in quake-prone regions in 98 countries. Since 2020, Google has included its Android Earthquake Alert (AEA) system in its phones to detect seismic P- and…
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The story so far: The Indian Space Research Organisation (ISRO) is planning to launch the NISAR satellite from Sriharikota on July 30 onboard a GSLV Mk-II rocket. ‘NISAR’ stands for NASA-ISRO Synthetic Aperture Radar and is a joint mission of the two space agencies. It is a sophisticated earth-observation satellite designed to study changes on…
Read More “What makes the NASA-ISRO NISAR satellite so special? | Explained” »
The story so far:India and the U.K. signed a Comprehensive Economic and Trade Agreement (CETA) on Thursday, after having announced the conclusion of negotiations on the deal in May this year. With negotiations starting in January 2022, the deal marks a more than three-year effort to enhance bilateral trade between the two countries. What has…
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M. Jayashree, second from left, receiving the President’s Medal for overall highest CGPA in B. Tech from V. Narayanan, ISRO Chairman, at the NIT-Tiruchi convocation on Saturday. NIT-Tiruchi Director G. Aghila is at right. | Photo Credit: SPECIAL ARRANGEMENT India has made great strides in space technology and attained global leadership through sheer hard work…
Read More “Consistent effort key to India’s growth in space technology, says ISRO chairman” »
NephroPlus founder Vikram Vuppala at a press conference in Visakhapatnam. File | Photo Credit: The Hindu Dialysis services provider Nephrocare Health Services, better known by its NephroPlus brand, has filed draft red herring prospectus (DRHP) with capital markets regulator SEBI to raise funds through an initial public offering (IPO). The IPO proposed by the…
Read More “NephroPlus files DRHP, to raise ₹353.4 cr fresh capital from IPO ” »
The Insurance Regulatory and Development Authority of India has imposed a penalty of ₹3.39 crore and issued a warning to Star Health and Allied Insurance Company for violations under IRDAI Information & Cyber Security Guidelines, 2023. The regulator, however, did not elaborate on the violations in its July 25th communication. On Saturday (July 26,…
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Across India’s coasts, from the languid channels of the Sundarbans delta to Mumbai’s stifled creeks, mangroves form a barrier between land and sea. These coastal forests are critical in India’s pursuit of climate resilience, biodiversity conservation, and the empowerment of coastal communities. However, in the face of urban expansion, climate change, and development, how are…
Read More “Efforts to restore mangroves can turn the tide on India’s coastal security” »
The confusion comes from how our brains interpret the reflection. | Photo Credit: Andre Mouton/Unsplash A: This classic question has a surprisingly interesting answer. The fact is mirrors don’t actually flip left and right, much less up and down. Instead, they flip the image of the world you see front to back. When you stand…
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In altermagnetic materials, atoms form a regular pattern with their spin and spatial orientation alternating on the neighbouring magnetic sites in the crystal. | Photo Credit: Libor Šmejkal (CC BY-SA) Some materials conduct electricity mainly with one kind of charge‑carrier everywhere: either negative electrons (n‑type) or positive ‘holes’ (p‑type). A rare class can breach this…
Read More “Altermagnet conducts with different charge carriers in different directions” »