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EDITORIALS & ARTICLES
08th Sep 2021
INSPIRESat-1 PRIMED FOR LAUNCH, SAYS INDIAN INSTITUTE OF SPACE SCIENCE AND TECHNOLOGY
INSPIRESat-1 is a small satellite set to be launched in ISRO’s upcoming PSLV mission.
Highlights:
- INSPIRESat-1 CubeSat, is developed under the International Satellite Program in Research and Education (INSPIRE).
- It weighs less than 10 kg and will be launched on upcoming (PSLV) mission of the Indian Space Research Organisation (ISRO).
- It is a collaborative effort by the Laboratory for Atmospheric and Space Physics (LASP) at the University of Colorado Boulder in the U.S.
- The satellite will be placed in a low earth orbit, is equipped with a Compact Ionosphere Probe for studying the earth's ionosphere.
- The RELOS will give India access to Russian facilities in the Arctic region.
- It will increase global activity as new shipping routes will open and India’s own investments in the Russian Far East.
- Nipah virus is a zoonotic virus or bat-borne virus that causes virus infection in humans and other animals.
- It can also be transmitted through contaminated food or directly between people.
- It causes a range of illnesses from asymptomatic infection to acute respiratory illness and fatal encephalitis in humans.
- The virus can also cause severe disease in animals such as pigs, resulting in significant economic losses for farmers.
- Consumption of fruits contaminated with urine or saliva from infected fruit bats.
- Human-to-human transmission among family and care givers of infected patients.
- Spreads directly from human-to-human through close contact with people's secretions and excretions.
- Human infections range from asymptomatic infection to acute respiratory infection and fatal encephalitis.
- Symptoms include fever, headaches, myalgia (muscle pain), vomiting and sore throat.
- The incubation believed to range from 4 to 14 days.
- The case fatality rate is estimated at 40% to 75%.
- There are currently no drugs or vaccines specific for the infection.
- Intensive supportive care is recommended to treat severe respiratory and neurologic complications.
- Cleaning and disinfection of pig farms with appropriate detergents.
- Reducing the risk of bat-to-human transmission.
- Reducing the risk of human-to-human transmission.
- Health-care workers with confirmed infection, should implement standard infection control precautions.
- The survey was conducted in August 2021 in 15 states and union territories, including Maharashtra, UP, West Bengal and Karnataka.
- It was a joint effort of nearly 100 volunteers across the country.
- The sample was drawn from deprived hamlets and bastis where most children attend government schools.
- The digital divide has hurt the lower income groups and marginalised grievously, especially in rural areas.
- In rural areas, 37% of the sample students were not studying at all—and only 8% were studying online regularly.
- 19% students in urban areas were not studying at all.
- 48% of the rural children surveyed were not able to read more than a few words.
- About 65% of parents in the sample whose children were studying online felt their child’s ability to read and write had declined since the lockdown began.
- Only 4% of rural scheduled caste and tribe children were studying online regularly compared with 15% among other rural children.
- Only 51% of rural households surveyed had a smartphone. Other issues of online access are poor connectivity and lack of money for data.
- As many as 90% of urban parents and 97% of rural parents in the sample wanted schools to reopen.
- UT Lakshadweep administration is prioritizing seaweed farming as a major engine of economic development.
- The UT can produce nearly 30,000 tonnes of dry seaweed per year worth ₹7.5 million by farming only 1% (200 ha) of its 21,290 ha of lagoon area (inhabited islands only).
- The indigenous seaweeds being farmed are- red algae, Gracilaria edulis and Acanthophora spicifera etc.
- These quality seaweeds can be utilised in high-end sectors like pharmaceuticals, food and nutraceuticals.
- Seaweed is a generic term used to describe all marine algae.
- There are over 600 species of seaweed growing in rocky tidepools along the Indian coast.
- Seaweed is one of the lowest carbon foods and require no arable land, irrigation or fertilisers to grow.
- They are also a carbon sink as they pull carbon down to the bottom of the ocean.
- Natural seaweed forests help sustain marine life, are a home for fish and turtles while producing low-carbon, highly nutritious food.
- Due to its ability to absorb nutrients from seawater, seaweed is among the most nutritional foods on Earth.
- Seaweed contains some of the greatest concentrations of iodine found in nature.
- In India, seaweed is used mainly as a gelling agent.
- The extracted gels, such as agar-agar and alginates, are commonly used in food and pharmaceutical industries.
- Carrageenan, used in toothpastes is a gel extracted from red seaweed.
- Many seaweeds contain anti-inflammatory, anti-microbial agents and some possess powerful cancer-fighting agents.
- Seaweed is also used in food additives, medicine, fertiliser and cosmetic goods and to combat beach erosion.
- Seaweed farming or kelp farming is the practice of cultivating and harvesting seaweed.
- Gujarat and Tamil Nadu are the primary suppliers of seaweed.
- Benefits:
- Occupation for coastal people.
- Raw material for seaweed-based industry
- Major tool to treat coastal pollution & reduce CO2.
- India currently has no seaweed policy and practices for farming and harvesting seaweed vary regionally.
- Seaweed farming requires high-temperature-tolerant and fouling- and disease-resistant strains.
- Most Indian seaweed cultivation is located in near-shore waters.
- Alternative farming strategy including expanding to offshore culture systems is required to overcome inshore challenges.
- Over-reliance of industry on genetically uniform genotypes of seaweed increases vulnerability of cultivated species to abiotic stressors, pests and pathogens.
- The findings in western Rajasthan are estimated to be 200 million years old.
- It provides the presence of dinosaurs in western part of the State, formed at the seashore to the Tethys Ocean during the Mesozoic era.
- The footprints belong to three species of dinosaurs — Eubrontes giganteus, Eubrontes glenrosensis and Grallator tenuis.
- The dinosaur species have distinguishing features of hollow bones and feet with three digits.
- All the three species belonged to the early Jurassic period, were carnivorous.
- Eubrontes could have been 12 to 15 metres long and weighed between 500 kg and 700 kg.
- Height of the Grallator is estimated to have been two metres, as much as a human.
- Grallator tenuis footprint, had narrow toes, long claws, and strong similarities to the early Jurassic ichnogenus of Stenonyx.
- Thar Desert or Great Indian Desert is located partly in Rajasthan and partly in Punjab and Sindh provinces, Pakistan.
- The north-eastern part of the Thar Desert lies between the Aravalli Hills.
- It stretches to Punjab and Haryana to the north, the Rann of Kutch along the western coast and the alluvial plains of the Indus River in the northwest.
- Desert Natural Park: About 3162 km2 in the area. One of the largest of the Thar Desert ecosystems, includes 44 villages with a wide selection of flora and fauna
- Tal Chhapar Sanctuary: Covering 7 km2, it is in the Churu district. The sanctuary is home to a large population of foxes, blackbuck, partridge etc.
- Sundha Mata Conservation Reserve: The reservation covers 117.49 km2 (45.36 sq mi) and is in the Jalore District.
- Blackbuck, Chinkara, Indian Wild Ass, Caracal, Red Fox, Packcock, Wolf, Sand Grouse, Leopard, Asiatic Wild Cat etc.
- It is the world’s 17th-largest desert, and the world’s 9th-largest hot subtropical desert.
- About 80% of Thar desert is in India and the remaining part is in Pakistan.
- Thar desert hosts around 141 species of migratory and resident birds of the desert.
- 23 species of lizards and 25 species of snakes are endemic to the region.
- 40% of the total population of Rajasthan lives in the Thar Desert. The main occupation of the people is agriculture and animal husbandry.