Latest NEST Notifications, Important Dates, and Updates: Download PDF or Get in Your Email

  • Sep 28, 2017
  • 1 Bakhshali Manuscript: How Old is Zero? 500 Years Older Than Previously Believed [ Sci-Tech ]

    Scientists traced the origins to zero considered as greatest breakthroughs in the history of mathematics to an ancient Indian text- Bakhshali manuscript. Bakhshali manuscript was housed in the UK since 1902.

    Image of Bakhshali Manuscript

    Image of Bakhshali Manuscript

    Image of Bakhshali Manuscript

    • Bakhshal

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  • Sep 27, 2017
  • 1 Cassini- Huygens Space Probe Orbiting Saturn Now Retired [ Sci-Tech ]

    The Cassini space probe was deliberately disposed of via a controlled fall into Saturn’s atmosphere on September 15, 2017, ending its nearly two-decade-long mission. Method of disposal chosen to prevent biological contamination of Saturn’s moons now thought to offer potentially h

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  • 2 Lunar Occultation: 3 Planets Behind the Moon [ Sci-Tech ]

    In September 2017, moon will shortly block Venus, then Mars and then Mercury in the sky in an event called a lunar occultation. Occultation occurs when moon passes in front of a celestial object.

    Image of Lunar Occultation: 3 Planets behind the Moon

    Image of Lunar Occultation: 3 Planets Behind the Moon

    Image of Lunar Occultation: 3 Planets behind the Moon

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  • Sep 26, 2017
  • 1 El Nino of 2014-16 Aided Massive Release of Carbon Dioxide [ Env. ]

    Data collected by NASA’s Orbiting Carbon Observatory-2 (OCO-2) satellite found that monster El Nino of 2014 - 16 caused over 3 billion tonnes of carbon release into the atmosphere, taking carbon dioxide (CO2) concentration to record levels.

    Chart of Recent Global Monthly Mean CO2

    Chart of Recent Global Monthly Mean CO2

    Chart of Recent Global Monthly Mean CO2

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  • 2 What is Rapid Intensification? Contradictory Predictions for Hurricane Irma [ Env. ]

    The range of possibilities presented by the forecast models more than a week before Hurricane Irma spread from Mexico to Canada- those were quite inaccurate. Irma was designated a tropical storm but later strengthened into a large Category 3 hurricane, with winds of 115 mph.

    Image of Name of Hurricanes

    Image of Name of Hurricanes

    Image of Name of Hurricanes

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  • Sep 23, 2017
  • 1 Nasikabatrachus Bhupathi: New Frog Species with Pig Face Discovered in Western Ghats [ Env. ]

    Indian scientists discovered Nasikabatrachus bhupathi, a new species of frog in Western Ghats with snout-shaped nose, just like a pig. It has been named after the Indian herpetologist S. Bhupathy.

    Map of New Frog Species With Pig Face In Western Ghats

    Map of New Frog Species With Pig Face In Western Ghats

    Map of New Frog Species With Pig Face In Western Ghats

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  • Sep 21, 2017
  • 1 🌟 Impact of Climate Change in India : Costing India $10 Billion/Year (Important) [ Env. ]

    According to Parliamentary Standing Committee on Agriculture, extreme weather events are costing India $9 - 10 billion annually with climate change projected to impact agricultural productivity with increasing severity from 2020.

    Image of Impact of Climate Change In India

    Image of Impact of Climate Change In India

    Image of Impact of Climate Change In India

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  • 2 🌟 What is Bioethanol? New Technique to Produce Bioethanol from Cotton-Stalks from CSIR-NIIST [ Env. ]

    CSIR’s National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram developed new technique for producing bioethanol from discarded cotton-stalks using chemical and biological methods.

    Image of Bioethanol And Co-products

    Image of Bioethanol And Co-products

    Image of Bioethanol And Co-products

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  • 3 What are Biosensors? Biosensor to Detect Kidney Disorders Developed by IITs [ Sci-Tech ]

    Researchers from Indian Institutes of Technology (IIT) - Bombay and Indore jointly developed a biosensor to detect kidney disorders in less than eight minutes measuring both the pH and urea concentration with a single drop of urine.

    Image of Biosensor to Detect Kidney Disorders

    Image of Biosensor to Detect Kidney Disorders

    Image of Biosensor to Detect Kidney Disorders

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  • Sep 20, 2017
  • 1 ICOSIS Unveils Ocean Forecasting System for Comoros, Madagascar, and Mozambique [ Sci-Tech ]

    Indian National Centre for Ocean Information Services (INCOIS) inaugurated Ocean Forecasting System for Indian Ocean countries Comoros, Madagascar, and Mozambique at the third Meeting of Regional Integrated Multi-Hazard Early Warning System for Asia and Africa (RIMES) at Port Mor

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  • Sep 19, 2017
  • 1 अंतरिक्ष और खोज (Space and Discovery - in Hindi) [ Sci-Tech ]

    डीप (गहरा) स्पेस (अंतरिक्ष) हैबिटैट (वास): -नासा के वैज्ञानिक एक ऐसे डीप स्पेस हैबिटैट (डीएसएच) का निर्माण कर रहें हैं, सिसके जरिये अंतरिक्ष यात्रियों को लंबे समय के लिए अंतरिक्ष में भेजना संभव हो सकता है। यह खगोलीय अन्वेषण के लिहाज से भी अहम पड़ाव साबित हो सकता है। फिलहाल नासा क

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  • 2 Deep Ocean Mission of India [ Sci-Tech ]

    The Union Ministry of Earth Sciences (MoES) launching Deep Ocean Mission for research in ocean science and developing technology to harness ocean resources to Explore India’s 7, 500 km coastline and 2.4 million square km of exclusive economic zone (EEZ).

    Map of International Seabed Authority

    Map of International Seabed Authority

    Map of International Seabed Authority

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  • Sep 17, 2017
  • 1 TRAPPIST-1 Planets Might Have Water [ Sci-Tech ]

    Earth-sized planets orbiting ultra-cool TRAPPIST-1 dwarf star likely have great amounts of water and might be habitable as found by joint team of European Space Agency (ESA) and NASA.

    Image of TRAPPIST-1 System

    Image of TRAPPIST-1 System

    Image of TRAPPIST-1 System

    • New study found that hydrogen floating

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  • 2 🌟 Breakthrough Listen Project (Important): Dwarf Galaxy Send 15 Radio Bursts (Important) [ Sci-Tech ]

    Breakthrough Listen project detected 15 fast radio bursts (FRBs) coming from a dwarf galaxy about 3 million light years away from earth with Green Bank Telescope (GBT) in West Virginia.

    Image of Breakthrough Listen Project

    Image of Breakthrough Listen Project

    Image of Breakthrough Listen Project

    Total of known f

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  • 3 🌟 Locky Ransomware and Xafecopy [ Sci-Tech ]

    The Indian Computer Emergency Response Team (CERT-In) issued alert Locky ransomware that can lock computers and demand ransom for unlocking them. Advanced malware uses cryptoviral extortion encrypting victim’s files, making them inaccessible.

    Image of Average Monthly Mbps of Attacks

    Image of Average Monthly Mbps of Attacks

    Image of Average Monthly Mbps of Attacks

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  • 4 🌟 What is Global Environment Facility (GEF) and GIM? Grant Agreement Signed with World Bank [ Env. ]

    A Grant Agreement of USD 24.64 million for “Ecosystem Service Improvement Project” was signed with World Bank Global Environment Facility (GEF). Project entirely financed by the World Bank out of its GEF Trust Fund for 05 years.

    Image of National Mission for Green India

    Image of National Mission for Green India

    Image of National Mission for Green India

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  • Sep 14, 2017
  • 1 ‘Swasth Bachche, Swasth Bharat’ Launched by Kendriya Vidyalaya Sangathan [ Env. ]

    ‘Swasth Bachche, Swasth Bharat’ Programme is an initiative of Kendriya Vidyalaya Sangathan aimed to prepare a physical health and fitness profile cards for more than 12 lakh Kendriya Vidyalaya students.

    Image of Swasth Bachche, Swasth Bharat programme

    Image of Swasth Bachche, Swasth Bharat Programme

    Image of Swasth Bachche, Swasth Bharat programme

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  • Sep 11, 2017
  • 1 PSLV-C39 Flight Carrying IRNSS-1H Navigation Satellite Unsuccessful [ Sci-Tech ]

    The forty first flight of India’s Polar Satellite Launch Vehicle (PSLV-C39), conducted on August 31st 2017 from Satish Dhawan Space Centre SHAR, Sriharikota, was unsuccessful. Now with satellite inside the heat shield resulted in the unsuccessful mission.

    PSLV-C39 Flight Carrying IRNSS-1H Navigation Satellite

    PSLV-C39 Flight Carrying IRNSS-1H Navigation Satellite

    PSLV-C39 Flight Carrying IRNSS-1H Navigation Satellite

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  • Sep 9, 2017
  • 1 ‘Gaj Yatra’ to Mark World Elephant Day 2017 [ Env. ]

    Union Environment, Forest and Climate Change Ministery launched ‘Gaj Yatra’ campaign to protect elephants on World Elephant Day which covers 12 elephant range states. The campaign will be led by the Wildlife Trust of India.

    Map of Various countries Covers Elephant Range

    Map of Various Countries Covers Elephant Range

    Map of Various countries Covers Elephant Range

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  • 2 Namami Gange Mission: Foreign Aid and Projects [ Env. ]

    Namami Gange Programme has short term, medium term and long-term activities providing continues cleaning of rivers. Short term entry level activities cover development of Ghat crematoria and river surface cleaning activities.

    Image of Namami Gange Mission: Foreign Aid and Projects

    Image of Namami Gange Mission: Foreign Aid and Projects

    Image of Namami Gange Mission: Foreign Aid and Projects

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  • Sep 8, 2017
  • 1 Largest Volcanic Region on Earth Under Antarctica [ Sci-Tech ]

    Scientists have uncovered the largest volcanic region on Earth two kilometers below the surface ice sheets covering West-Antarctica. Found almost 100 volcanoes with the highest as tall as the Eiger stands at almost 4, 000 m in Switzerland.

    Image of Landsat Mosaic of Antarctica (LIMA) Project

    Image of Landsat Mosaic of Antarctica (LIMA) Project

    Image of Landsat Mosaic of Antarctica (LIMA) Project

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  • Sep 6, 2017
  • 1 🌟 2 Major Afforestation Schemes of Environment Ministry (Important) [ Env. ]

    To achieve targets of National Forest Policy to maintain 33 % forest and tree cover the Ministry of Environment, Forest & Climate Change (MoEF&CC) has 2 major afforestation or tree plantation schemes: National Afforestation Programme (NAP) scheme and National Mission for a Green

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  • 2 🌟 Flood Forecasting and Management (Important) [ Env. ]

    For flood forecasting Central Water Commission (CWC) uses manual as well as telemetry data. Installation of automatic data acquisition systems and satellite based data transmission system (telemetry) taken up by CWC during IX Plan.

    Image of Flood Forecasting and Management

    Image of Flood Forecasting and Management

    Image of Flood Forecasting and Management

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  • 3 🌟 Editing the Genes of Human Embryos: Moral Issues (Important) [ Sci-Tech ]

    Oregon Health and Science University scientists’ successfully edited genes of human embryos correcting defective DNA that can cause inherited diseases. They used the CRISPR-Cas9 genome editing technology to alter single-cell human embryos allowing specific sections of DNA to be a

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  • 4 🌟 Distribution of Methane Hydrate- Methane Hydrate Under South China Sea Exploited (Important) [ Sci-Tech ]

    China was successfully in producing natural gas from methane hydrate in the South China Sea (SCS) - total of 309, 000 cubic meters of natural gas was produced from gas hydrate in 60 days. India also has rich deposits of methane hydrates.

    Image shows Occurrences of Methane Hydrates in orange color

    Image Shows Occurrences of Methane Hydrates in Orange Color

    Image shows Occurrences of Methane Hydrates in orange color

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  • 5 🌟 2014-2017 Achievements in Space Sector (Important) [ Sci-Tech ]

    During the last three years (June 2014 to June 2017), Indian Space Research Organisation (ISRO) has successfully accomplished 41 missions, which includes 19 launch vehicle missions, 19 satellite missions and 3 technology demonstrator missions. India is in top six space faring nat

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  • 6 🌟 Food and Seed Irradiations (Important) [ Sci-Tech ]

    Radiation in agriculture is used for developing improved varieties of seeds increasing the GDP of the country. Bhabha Atomic Research Centre (BARC) is using radiation-induced mutagenesis along with cross breeding to develop several varieties of oilseeds, pulses, rice, and jute fo

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  • 7 🌟 Fact Box: First National Strategic Plan for Malaria Elimination (Important) [ Env. ]

    The Union Health Ministry and Family Welfare unveiled India’s first National Strategic Plan (NSP) for Malaria Elimination (2017 - 22) with elimination deadline set at 2027, three years ahead of the global deadline.

    Image of Annual Parasite Incidence

    Image of Annual Parasite Incidence

    Image of Annual Parasite Incidence

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  • 8 🌟 Aadhaar Privacy Issues (Important): mAadhaar App for Aadhaar Data- UIDAI [ Sci-Tech ]

    The Unique Identification Authority of India (UIDAI) launched ‘mAadhaar’- mobile app for syncing Aadhaar data. Allows users to carry Aadhaar information including number, name, date of birth, gender, and address on smartphones.

    Image of 12 Digit Aadhaar Number

    Image of 12 Digit Aadhaar Number

    Image of 12 Digit Aadhaar Number

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  • 9 🌟 खोज (Some important research in Hindi) [ Sci-Tech ]

    वजन: -अधिकतर लोगो के सामने केविन हाल सोचते थे के लोगो के मोटे होने के कारण एकदम सामन्य है। वे पूछते थे, मोटे लोग कम खाते और अधिक एक्सरसाइज (व्यायाम करना) क्यों नहीं करते हैं। भौतिकशास्त्री हाल जितनी कैलोरी खाओ, उतनी हजम करो के गणित में भरोसा करते थे। लेकिन, उनकी खुद की रिसर्च (अ

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Numerous fully-solved NEST Physics questions with detailed illustrated explanations. Concise study notes focusing on aspects important for real exam.