Thursday, February 29, 2024

Asian elephants bury dead calves, finds study

Asian elephant herd members in north Bengal have been documented burying premature calves in irrigation trenches inside tea gardens. The behavior is unique to this species and has been observed in cases in Debpara, Chunabhati, Bharnabari, Majherdabri, and the New Dooars tea gardens near Gorumara and Buxa. In five case studies in north Bengal, herd members dragged the calves away from human settlements before burying them in "leg-upright position" in irrigation trenches inside tea gardens.

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Nerve blocking drugs could help stop head, neck cancer from growing, study finds

Drugs blocking activity of sensory nerves could stop or slow certain head and neck cancers from growing, new research has found. Studying interactions between nerves and tumour microenvironments, researchers found that sensory nerves helped accelerate tumour growth by preventing the immune system from generating specific T-cells, important to fighting disease within the tumour tissue. Nerve blocking agents could thus be used together with radiation and other currently available treatment regimens, the researchers said.

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Wednesday, February 28, 2024

Nasa's TIMED satellite narrowly avoids collision with defunct Russian satellite

NASA spacecraft, Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) mission, narrowly avoided a collision with an inactive Russian satellite in low Earth orbit. The potential consequences of a collision include significant debris generation, posing a threat to both NASA's satellite and other orbiting objects. This highlights the growing concern of the Kessler syndrome, where satellite debris triggers a chain reaction in low Earth orbit.

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Understanding how the brain works can transform how school students learn maths



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Odysseus moon lander hailed as success as it nears mission-ending slumber



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Tuesday, February 27, 2024

Vaping may increase susceptibility to Covid infection: Study

Certain chemicals found in e-cigarettes may make vapers more susceptible to COVID-19 infection, according to a study. The liquid used in electronic cigarettes, called e-liquid, typically contains nicotine, propylene glycol, vegetable glycerin, and flavour chemicals. The study, published in the American Journal of Physiology, found propylene glycol/vegetable glycerin alone or along with nicotine enhanced COVID-19 infection through different mechanisms.

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Nasa's James Webb telescope discovers an enigmatic ancient galaxy

Tagged as ZF-UDS-7329, this galaxy boasts a star population surpassing that of the Milky Way, even though it materialized merely 800 million years after the birth of the universe, which spans 13.8 billion years. This scenario suggests that these stars were formed without the influence of dark matter, a fundamental element according to conventional galaxy formation models, a space.com report said.

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Monday, February 26, 2024

Mumbai doctors find way to curb risk of cancer spread

Doctors at Tata Memorial Centre have discovered a mechanism for cancer metastasis and developed a nutraceutical therapy to reduce its risk. Their research reveals that dying cancer cells release 'chromosome fragments' (chromatin), which can fuse with healthy cells and form new tumors. This breakthrough finding offers hope for improved cancer treatment. Nutraceuticals, food products with added bioactive compounds or medicinal properties, can play a crucial role in promoting health beyond basic nutrition.

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Mumbai doctors find way to curb risk of cancer spread

Doctors at Tata Memorial Centre have discovered a mechanism for cancer metastasis and developed a nutraceutical therapy to reduce its risk. Their research reveals that dying cancer cells release 'chromosome fragments' (chromatin), which can fuse with healthy cells and form new tumors. This breakthrough finding offers hope for improved cancer treatment. Nutraceuticals, food products with added bioactive compounds or medicinal properties, can play a crucial role in promoting health beyond basic nutrition.

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Oil India in agreement for earth science related studies in northeast region

State-owned company Oil India Limited, National Center for Seismology (NCS), and Centre for Earth Sciences and Himalayan Studies (CES and HS) in Arunachal Pradesh have signed an agreement to conduct applied earth science studies in India, with a focus on Arunachal Pradesh and the northeastern region. Union Minister Kiren Rijiu said this was a historic day for Arunachal Pradesh.

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Friday, February 23, 2024

US spacecraft Odysseus tipped sideways on lunar surface but 'alive & well'

The lunar lander, Odysseus, remains in good condition despite being currently tilted on its side, one day after its successful landing. This signifies a groundbreaking milestone as it becomes the first privately-owned spacecraft to reach the moon's surface. Intuitive Machines, headquartered in Houston, revealed that the failure of the spacecraft's laser-based range finders was due to human error.

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AIIMS Delhi preparing special exoskeleton to help paralysed patients walk



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Thursday, February 22, 2024

Aditya-L1's PAPA detects impact of coronal mass ejections on solar wind

Isro's Plasma Analyser Package for Aditya (PAPA) on Aditya-L1 satellite has successfully detected the impact of coronal mass ejections (CMEs) on solar wind. PAPA's sensors measure electrons and ions, detect direction of solar wind particles, and record spectra, providing real-time data on conditions at the L1 point.

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RRI scientist part of CERN team that achieves laser cooling of exotic atom

International researchers from AEgIS collaboration at CERN, including Prof Sadiq Rangwala, achieved laser cooling of Positronium atoms using an alexandrite laser system. The breakthrough paves the way for advancements in antimatter research and understanding matter counterparts.

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Scientists develop synthetic antibody that neutralises deadly snakebite toxin

Scientists have created a synthetic human antibody that can effectively neutralize a dangerous toxin produced by various snake species. This breakthrough study, published in the journal Science Translational Medicine, utilized a method previously used to identify antibodies for HIV and COVID-19, allowing for the creation of this new venom-neutralizing antibody.

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Wednesday, February 21, 2024

Satellite ERS-2 was hard to track as it fell to Earth: Here's why

A defunct Earth-observing satellite descended from orbit Wednesday and safely disintegrated over the Pacific. The European Remote Sensing 2 satellite, known as ERS-2, made its reentry halfway between Hawaii and Alaska. The European Space Agency confirmed the end of the 5,000-pound (2,300-kilogram) spacecraft. There were no reports of damage or injuries.

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Pacemaker for brain helped woman with crippling depression; soon may be available widely

Deep brain stimulation (DBS) shows promise in treating depression that resists other treatments. Researchers are studying the effectiveness of tailored DBS treatments, and the Food and Drug Administration is reviewing Abbott Laboratories' request to use DBS devices for treatment-resistant depression.

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AI helps predict how agricultural land suitability may change by 2050



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Tuesday, February 20, 2024

Commercial spaceship set for lunar touchdown, in test for US industry



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Astrosat aids unravelling mysteries of transient black hole x-ray binary

An international team of scientists, led by researchers from Inter-University Centre for Astronomy and Astrophysics (IUCCA), used Astrosat to study the black hole X-ray binary system MAXI J1820+070. The study provides insights into the system's behavior, accretion states, black hole's spin, and its connection with emissions from inner and outer accretion flow components.

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New multicolor 3D printing technology is inspired by chameleons, says study

Researchers at the University of Illinois Urbana-Champaign have developed a sustainable approach for 3D-printing dynamic colors from a single ink, inspired by chameleons' color-changing abilities. By modulating structural color using UV-assisted direct-ink-write 3D printing, they can create color gradients in the visible wavelength spectrum without the need for multiple paints.

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Monday, February 19, 2024

Lab-grown retinas explain why people can perceive colours that dogs cannot: Study

Researchers used human retinas to study how an offshoot of vitamin A produces specialised cells for seeing colours. The discovery of the role of retinoic acid in the development of cone cells has implications for understanding colour blindness and age-related vision loss. (40 words)

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AstraZeneca rises as key lung cancer drug scores another win

Tagrisso from AstraZeneca has shown positive results in a trial for advanced non-small cell lung cancer patients with a specific genetic mutation. It slowed disease progression and could be the first targeted treatment option for stage 3 patients. AstraZeneca said the trial showed a statistically significant and highly clinically meaningful improvement in progression-free survival for patients whose cancer was unable to be removed by surgery and had responded to initial chemoradiation.

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Saturday, February 17, 2024

GSLV's journey from 'naughty boy' to 'natty boy'

The Geosynchronous Satellite Launch Vehicle-II (GSLV-II) of ISRO has gained a positive reputation after two consecutive successful launches. It has been praised for its maturity, obedience, and discipline. The GSLV-II is now considered a robust vehicle for ISRO, similar to the PSLV.

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Pregnancy complications can have long-term impact on child's health: Study



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Great apes tease each other just like humans do: Study



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Oldest fossil reptile from Italians alps partly forged, finds study

A recent study published in the journal Palaeontology reveals that the 280-million-year-old fossil Tridentinosaurus antiquus, previously believed to be a significant specimen for understanding the evolution of early reptiles, may have been partly forged, suggests a study. The fossil, found in the Italian Alps in 1931, was initially thought to belong to the reptile group Protorosauria.

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Friday, February 16, 2024

Japan announces successful launch of next-gen H3 rocket

Japan's space agency announced the successful launch of its new flagship rocket on Saturday, making it third time lucky for the H3 after years of delays and two previous failed attempts. The H3 rocket, billed as flexible and cost-effective by space agency JAXA, "was put into orbit," a JAXA official told AFP.

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Ancient viruses responsible for our big brains and bodies: study

Ancient viruses that infected vertebrates hundreds of millions of years ago played a pivotal role in the evolution of our advanced brains and large bodies, a study said Thursday. This led them to believe the sequence appeared in the tree of life around the same time as jaws, which first evolved around 360 million years ago in the Devonian period, called the Age of Fishes.

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Thursday, February 15, 2024

Finding life in outer solar system nearly impossible, say scientists



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New paper-based platform can rapidly detect antibiotic-resistant bacteria

Researchers have developed a paper-based platform that could help quickly detect the presence of antibiotic-resistant, disease-causing bacteria. One of greatest challenges facing the world is the rise of disease-causing bacteria that are resistant to antibiotics. Their emergence has been fuelled by the misuse and overuse of antibiotics, the researchers said.

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Private US moon lander launched, eyes touchdown that will kick off new space race

n America's first quest to land on moon in over 25 years, a lunar lander designed by Houston-based aerospace company Intuitive Machines was launched successfully from Florida early on Thursday.Nova-C lander, dubbed Odysseus, lifted off shortly after 1am EST (0600 GMT) atop a Falcon 9 rocket flown by Elon Musk' SpaceX from Nasa's Kennedy Space Center in Cape Canaveral. The mission, "1M-1", is hoping to be the first non-government attempt at achieving a soft touchdown on Moon. It also aims to land the first US robot on the lunar surface since the Apollo missions more than five decades ago.

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Sunday, February 11, 2024

Researchers find how fatty acids plays key role in creating memories

Researchers at the University of Queensland have demonstrated the vital role that saturated fatty acids play in the brain's storage of memories.

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First death from rare viral disease Alaskapox reported in Kenai Peninsula



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Saturday, February 10, 2024

Cannabis cravings: Why smoking weed makes you hungry



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Nasa's perseverance rover discovers potential lake and clues to ancient life on mars

Nasa's Perseverance rover finds evidence of a Martian lake in Jezero Crater, raising hopes of discovering fossils of microbial life. Images from the rover's radar suggest water beneath the surface. The discovery fuels the search for life beyond Earth and future expeditions will bring back samples for analysis.

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Summer-like conditions with record temperatures lead to first Wisconsin tornado in February

The first tornado ever recorded in Wisconsin in the usually frigid month of February tore through mostly rural areas on a day that broke records for warmth, setting up the perfect scenario for the type of severe weather normally seen in the late spring and summer. The storms left a swath of destruction that included dead and missing cows, roofs blown off of homes, destroyed storage sheds and barns, trashed vehicles and shattered windows.

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Friday, February 9, 2024

Chronic pain both psychological, social; women more affected: Experts

Chronic pain, lasting beyond three months, has complex psychological and social dimensions. Pain clinics in hospitals treat patients holistically. Poor sleep, stress, despondency, tiredness, and high BMI are biopsychosocial risk factors for chronic pain. Women experience chronic pain more than men due to hormonal activity and societal factors.

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Thursday, February 8, 2024

Insat-3DS launch at 5.30pm on Feb 17

The data relay transponder (DRT) on Insat-3DS receives meteorological, hydrological, and oceanographic data from automatic data collection platforms. The satellite also has a satellite-aided search and rescue (SAS&R) transponder for relaying distress signals from beacon transmitters.

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Pregnant women should avoid ultraprocessed, fast foods: Study

According to a study published in the journal Environmental International, if you're pregnant, you should think twice before running out to get a cheeseburger or grabbing for a packaged pastry. Oddly enough it's not the food that the report targets -- not the fries, burgers or even the shakes and cakes -- but what touches the food before you eat it. Research shows that phthalates, a class of chemicals associated with plastics, can shed from the wrapping, packaging and even from plastic gloves worn by food handlers into food.

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Nasa climate satellite blasts off to survey oceans and atmosphere of a warming Earth

Despite efforts by the Trump administration to cancel the Pace satellite project, it persevered and was successfully launched. The Pace satellite, along with the upcoming Nisar satellite, showcases NASA's commitment to advancing Earth observation capabilities for better understanding climate change and its impacts.

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