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Daily Prelims 28th December 2023

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    Daily Prelims 28th December 2023

    1) Anaemia: Indian Council of Medical Research (ICMR) initiates steps to provide easy to use non-invasive testing to tackle anaemia in India  

    • It is a condition in which the number of red blood cells or the Hemoglobin concentration within them is lower than normal.  
    • Hemoglobin is a protein found in red cells that carries oxygen from the lungs to all other organs.  
    • It mainly affects women and children.  
    • As per the India’s National Family Health Survey 5 (2019-21), 59.1% of adolescent girls and 57% of women (15-49 years) are suffering from it.  
    • Key Initiatives: Anaemia Mukt Bharat (AMB), 2018 

     

    2) Electronic Soil (e-Soil): Researchers develop ‘electronic soil’, a low-power bioelectronic growth substrate, tailored for hydroponic cultivation.  

    • e-Soil can electrically stimulate the root system and growth environment of plants.  
    • Hydroponics is soil-free plant cultivation, utilising water, nutrients, and a substrate for root attachment.  
    • This method offers numerous benefits.  
    • Precise nutrient control ensures faster growth, higher yields, and superior quality produce.  
    • Enables vertical cultivation in large towers to maximise space efficiency.  
    • Uses dramatically less water compared with conventionally grown plants.  
    • Such plants have significantly fewer pests 

     

    3) Formaldehyde (CH2O): Researchers developed a new non-invasive sensor that can detect formalin adulteration in fishes. Formalin is a solution of 37% formaldehyde.  

    • It is a colorless, strong-smelling, and flammable chemical.  
    • Usage: Manufacture of resin, production of plastic, cosmetics industry, household products, disinfectants, preservatives, etc.  
    • World Health Organisation has classified it as carcinogenic to humans.  
    • A carcinogen is a substance, organism, or agent capable of causing cancer. 

     

    4) OSIRIS-APEX: OSIRIS REx (Origins, Spectral Interpretation, Resource Identification and Security-Regolith Explorer) is embarking on a new mission as OSIRIS-APEX (Apophis Explorer)  

    • Recently, OSIRIS REx delivered a sample from asteroid Bennu.  
    • OSIRIS-APEX will study Apophis when it will be closest to Planet Earth i.e. 20000 miles.  
    • Apophis is an S-type asteroid made of silicate materials and nickel-iron.  
    • The mission aims to observe the physical changes in asteroid Apophis induced by Earth’s gravitational pull.  
    • Space Agency: NASA 

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