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The most detailed view up till 2010 of the entire surface of the dwarf planet Pluto. It was constructed from multiple NASA Hubble Space Telescope photographs taken from 2002 to 2003 and released on February 4, 2010. | Photo Credit: HO Come February 18, and it will be 94 years since we’ve known of the…
Based on machine learning, researchers have come up with detailed estimates of ammonia emissions from rice, wheat and maize crops. The dataset enabled a cropland-specific assessment of the potential for emission reductions, which indicates that effective management of fertilizer in the growing of these crops could lower atmospheric ammonia emissions from farming by up to…
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Ground-penetrating radar on board NASA’s Mars Perseverance rover has confirmed that the Jezero Crater, formed by an ancient meteor impact just north of the Martian equator, once harboured a vast lake and river delta. Over eons, sediment deposition and erosion within the crater shaped the geologic formations visible on the surface today. The discovery of…
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The diversity in India’s geography results in large differences in natural forest cover A detailed analysis of the earth’s trees was made a few years ago. The method for this global effort utilised ground-based sample counts extended to calculations on images from satellites, using sophisticated algorithms (Nature, 2015). The study estimated that our planet has…
A phase-3 trial in children aged between nine months and 12 years carried out in Malawi, Africa, which is a typhoid fever-endemic setting, has shown that efficacy of the Hyderabad-based Bharat Biotech’s conjugate typhoid toxoid vaccine — Typbar — lasts for at least four years. The efficacy of the vaccine was seen in children of…
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Indian Space Research Organisation (ISRO) Chairman S. Somanath has said that ‘Gaganyaan’, the country’s first human space flight programme, is expected to be launched by the end of 2025. The nation will have a space station by the year 2035. The ISRO is already working on Chandrayaan-4 to retrieve samples from the moon, he said…
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Image for representational purpose only. File | Photo Credit: The Hindu The Science Quiz appears thrice a week in the daily Science page. The page is available to read on all days except Saturday in the epaper. Questions: 1. In India, 70% of cancer related deaths occur in the first year, with lung cancer being…
A representational photo of a child looking through a telescope. | Photo Credit: File photo M Sankaran, director of U.R. Rao Satellite Centre (URSC) of ISRO, feels there is a need for science and research to move out of elite educational institutions and organisations, and reach Tier-II and Tier-III cities in India. URSC is responsible…
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Union Finance Minister Nirmala Sitharaman addresses the post-Budget press conference, in New Delhi, Thursday, Feb. 1, 2024. | Photo Credit: PTI In her speech for the 2024-2025 Budget, Finance Minister Nirmala Sitharaman spoke of “a new scheme of bio-manufacturing and bio-foundry” to provide “environment-friendly alternatives such as biodegradable polymers, bio-plastics, bio-pharmaceuticals and bio-agri-inputs”. The announcement…
Sci-Five | The Hindu Science Quiz: On Sci-fi writers 1 / 5 | Which author first coined the term ‘genetic engineering’? H. G. Wells H. P. Lovecraft Jack Williamson Howard Fast The term ‘genetic engineering’ was invented by science-fiction author Jack Williamson in his 1951 novel, Dragon’s Island. Next 2 / 5 | Often referred…
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