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Science & Technology Current Affairs

Latest Science & Technology current affairs and general knowledge for UPSC, SSC, Banking and State PCS — with key points and exam facts.

PM Modi advocates for inclusive, human-centric technology at Bharat Innovates 2026 in Nice

Prime Minister Narendra Modi, inaugurating Bharat Innovates 2026 in Nice, France, emphasized India's emergence as a technology provider and called for inclusive, human-centric technologies. He invited global investors and entrepreneurs to "design and develop in India" to create solutions for the world, highlighting India's innovation ecosystem in defense, space, and clean energy. French President Emmanuel Macron echoed the sentiment, stressing trust and cooperation in technology, and noted France's commitment to "Make in India." Both leaders acknowledged the current geopolitical and technological upheavals, underscoring the world's need for reliable partners.

  • PM Modi inaugurated Bharat Innovates 2026 in Nice, France, advocating for inclusive and human-centric technology.
  • He positioned India as an emerging technology provider and invited global entities to innovate in India for worldwide solutions.
  • PM Modi highlighted India's innovation in defense, space, and clean energy, referencing recent legislative changes like the SHANTI Act.
15 Jun 2026 Read more

Understanding drop shipping: Business model, operation, legality, and risks for online shoppers

Drop shipping is an e-commerce business model where an online individual or agent sells products without holding any inventory, passing customer orders to a maker/seller who then directly ships the product. This model, popularized by platforms like Amazon and Shopify, allows anyone with internet access to sell products, often leveraging AI for customer services and insights. While generally legal if transparent and compliant with tax laws, drop shipping poses several risks for shoppers. These include scams, inflated prices, defective or pirated products, long delivery times, lack of safety standards, and data privacy concerns due to multiple parties handling information. Shoppers are advised to research sellers to mitigate these risks.

  • Drop shipping is a business model where sellers act as middlemen, taking orders without holding inventory and passing them to third-party suppliers for direct shipment.
  • Platforms like Amazon and Shopify facilitate drop shipping, and AI tools are increasingly used for customer service and business insights.
  • The practice is generally legal if transparency is maintained and tax laws are followed.
15 Jun 2026 Read more

Holistic early childhood development offers 'seven-point IQ opportunity' for Indian children

India's early childhood agenda, traditionally focused on survival and nutrition, is evolving to embrace holistic development, recognizing the dynamic interaction of nutrition, health, and early learning. Research from Jamaica and Vellore, India, demonstrates that psychosocial stimulation, alongside nutritional supplementation, significantly boosts cognitive gains and IQ scores. The Anganwadi system is integrating this broader understanding through national frameworks like Aadharshila and Navchetana, redefining them as vibrant early childhood education centers. These initiatives aim to nourish both mind and body, promoting play-based learning, early stimulation, and community mobilization, which are crucial for building a "Viksit Bharat" where progress extends beyond mere calories.

  • India's early childhood agenda is shifting from solely survival and nutrition to holistic development, integrating health, nutrition, and early learning.
  • Research indicates that psychosocial stimulation, combined with nutrition, significantly improves cognitive development and IQ.
  • The Anganwadi system is being transformed into early childhood education centers through national frameworks like Aadharshila and Navchetana.
15 Jun 2026 Read more

Modi, Macron stress economic security, adopt 'Innovation Roadmap 2030' and 'Economic Security Dialogue'

Prime Minister Narendra Modi and French President Emmanuel Macron held bilateral talks in Nice, adopting an 'Innovation Roadmap 2030' and establishing an 'Economic Security Dialogue'. Key themes included fast adoption of the India-EU Free Trade Agreement (FTA), AI cooperation, and strengthening supply chain resilience, especially in critical minerals. The leaders also co-inaugurated Bharat Innovates 2026, focusing on trust and cooperation in technology, with PM Modi inviting investors to "design and develop in India" for global solutions. Discussions also covered private sector participation in India's nuclear sector and the proposed sale of 114 Rafale fighter jets.

  • India and France adopted an 'Innovation Roadmap 2030' and established an 'Economic Security Dialogue' during bilateral talks in Nice.
  • The leaders called for fast adoption of the India-EU Free Trade Agreement and agreed to create a Joint India-France AI Working Group.
  • PM Modi invited global investors to "design and develop in India" to create solutions for the world, emphasizing India's role as a technology provider.
15 Jun 2026 Read more

JUNO Observatory publishes first results on neutrino physics mystery

The Jiangmen Underground Neutrino Observatory (JUNO) collaboration in China has published its first results, based on 59 days of data collected in late 2025. The observatory calculated how often particles called neutrinos from nuclear reactors change their flavour or type as they travel. These findings confirm that JUNO is functioning as expected and is on track to help solve the complex question of neutrino mass ordering, which involves determining the heaviest and lightest neutrino flavours.

  • JUNO collaboration in China published its first results on neutrino physics.
  • The observatory measured neutrino flavour changes from nuclear reactors.
  • The results confirm JUNO's expected performance.
14 Jun 2026 Read more

Nanographene enables creation of ultra-porous materials with record surface area

Scientists, led by Nobel laureate Omar Yaghi, have developed a new method to build highly porous materials using nanographene. They designed a molecule called HBC-LA12 with 12 connection points arranged in a prism shape. By linking this molecule with others, they created two new 3D structures, marking a breakthrough in reticular chemistry. One of these structures achieved a record surface area of 5,000 sq. m per gram, expanding possibilities for designing materials for gas storage and other applications.

  • New method uses nanographene to create ultra-porous materials.
  • A molecule, HBC-LA12, with 12 connection points was designed.
  • This led to the creation of novel 3D structures in reticular chemistry.
14 Jun 2026 Read more

Chocolate-chip sea star uses natural optic fibres for light focusing

The chocolate-chip sea star (Protoreaster nodosus) possesses a remarkable structure on its arm tips. A skeletal part contains cone-shaped structures that act like optic fibres, transmitting 70% of incident light and concentrating it nearly threefold at the base. This array captures light from a 120° field of view and brightens it eight times inside the arm. Scientists suggest this natural design could inspire lightweight sensors and displays.

  • Chocolate-chip sea stars have natural optic fibre-like structures on their arm tips.
  • These structures transmit and concentrate incident light.
  • The array captures light from a wide field of view and significantly brightens it.
14 Jun 2026 Read more

Ants employ social immunity and distancing to combat disease outbreaks in colonies

Ants, known for their social structures, exhibit sophisticated mechanisms to cope with disease outbreaks. Some species use "social immunity" by spreading antimicrobial secretions among colony members. More dramatically, studies show ants engaging in self-isolation and collective architectural changes to prevent pathogen spread. In experiments with black garden ants, infected individuals spent more time outside the nest, and the colony modified its architecture by spacing entrances further apart and digging more tunnels, leading to greater segregation. These behaviors effectively restrict interactions between groups, protecting high-value ants like the queen and nurses from infection, mirroring human social distancing strategies.

  • Ants utilize "social immunity" through antimicrobial secretions to protect their colonies from infections.
  • Infected ants exhibit self-isolating behavior by spending more time outside the nest.
  • Ant colonies adapt their architecture, such as wider-spaced entrances and more tunnels, to enhance segregation.
14 Jun 2026 Read more

Droughts accelerate antibiotic resistance in soil bacteria, posing global health threat by 2050

Research by the California Institute of Technology reveals that drought conditions increase antibiotic resistance (ABR) in soil bacteria. When soil dries, the concentration of natural antibiotics rises, favoring the survival of resistant bacteria. This phenomenon is projected to worsen global ABR by 2050, particularly in drought-prone regions like parts of India. The study, published in Nature Microbiology, highlights that environmental stress, independent of direct antibiotic pollution, actively shapes the evolution of resistance. India faces heightened risks due to frequent droughts, dense populations, and heavy antibiotic use in livestock. Experts recommend vaccines and integrated monitoring systems to combat this growing threat.

  • Droughts increase antibiotic resistance in soil bacteria by concentrating natural antibiotics.
  • This environmental stress independently drives the evolution and enrichment of resistant bacteria.
  • The study projects a significant increase in ABR by 2050, especially in drought-prone regions like India.
14 Jun 2026 Read more

African grey foam-nest tree frogs build communal 'cloudy' nests for offspring survival

The African grey foam-nest tree frog (Chiromantis xerampelina) in South Africa builds unique foamy nests in trees to protect its eggs from predators and desiccation. Unlike most frogs that lay eggs in water, these frogs create large, moist, bubbly nests by churning secretions with their hind legs. Research shows that multiple males often cooperate with a single female to build larger, more effective nests, ensuring higher offspring survival rates. This communal nesting strategy, where paternity is often split, highlights a unique evolutionary adaptation for survival in challenging environments.

  • African grey foam-nest tree frogs build foamy, 'cloudy' nests in trees to protect their eggs.
  • These nests are created by churning secretions, providing moisture and protection from predators.
  • Communal nesting, involving multiple males and one female, results in larger and more effective nests.
14 Jun 2026 Read more

PM Modi begins Europe visit, focusing on tech, bilateral ties, and G7 Summit

Prime Minister Narendra Modi began a six-day Europe tour in Nice, France, focusing on tech cooperation and bilateral relations. He will inaugurate the Bharat Innovates 2026 tech summit with French President Emmanuel Macron, aiming to explore collaboration in deep-tech ventures, research, and technology transfer. Following bilateral discussions covering defence, tech, and regional issues, PM Modi will travel to Slovakia and then return to France for the G7 Summit in Évian-les-Bains, where India is an outreach partner. He will also attend VivaTech in Paris, where India is the AI Country Partner, reinforcing India's commitment to global tech leadership.

  • PM Modi's Europe visit focuses on strengthening tech cooperation and bilateral relations.
  • He will co-inaugurate the Bharat Innovates 2026 tech summit with French President Macron.
  • India and France elevated their partnership to a 'Special Global Strategic Partnership' in February.
14 Jun 2026 Read more

Kerala experiences Shigella outbreaks, highlighting global threat of multi-drug resistant bacterium

Kerala has recently experienced multiple outbreaks of shigellosis, a diarrhoeal disease caused by the highly contagious Shigella bacterium, with 132 confirmed cases and three deaths, primarily among children. Shigella, which causes 80-165 million infections and 6,00,000 deaths globally each year, is transmitted faeco-orally through contaminated food, water, or poor hygiene. The bacterium is increasingly multi-drug resistant, posing a significant challenge to treatment. Experts emphasize the need for continuous surveillance of antibiotic resistance and judicious use of antibiotics to combat shigellosis, especially in regions with weak formal healthcare access.

  • Kerala has seen recent outbreaks of shigellosis, a diarrhoeal disease caused by the Shigella bacterium.
  • Shigella is highly contagious, transmitted faeco-orally, and causes millions of infections and deaths globally, especially among children.
  • The bacterium is developing rapid multi-drug resistance, making treatment challenging.
14 Jun 2026 Read more

DRDO successfully tests critical defence technologies, including multi-layered ballistic missile defence interceptor

The Defence Research and Development Organisation (DRDO) conducted three successful flight tests of critical defence technologies on Wednesday and Thursday. These tests included a multi-layered ballistic missile defence interceptor, an advanced air-to-air missile, and a long-range anti-ship missile. The interceptor test, conducted from APJ Abdul Kalam Island, demonstrated the capability to engage multiple targets. The air-to-air missile test from an IAF aircraft validated its advanced propulsion and control systems. The anti-ship missile test from a naval platform confirmed its long-range strike capability. These advancements significantly enhance India's defence capabilities and promote self-reliance.

  • DRDO conducted three successful flight tests of critical defence technologies.
  • Tests included a multi-layered ballistic missile defence interceptor, an advanced air-to-air missile, and a long-range anti-ship missile.
  • The interceptor demonstrated multi-target engagement capability.
14 Jun 2026 Read more

Project Kusha: India's indigenous air defence shield hailed as a game changer

Defence Minister Rajnath Singh has lauded Project Kusha, an indigenous air defence programme, as a "game changer" for India's security architecture. He emphasized its importance, citing its successful demonstration during "Operation Sindoor," where it provided a protective umbrella. Developed by the DRDO, Project Kusha is a long-range air defence missile system designed to offer a comprehensive shield against various aerial threats. The Minister highlighted that such indigenous advancements strengthen India's technological excellence, strategic autonomy, and national security in the face of evolving modern warfare technologies.

  • Project Kusha is an indigenous air defence programme developed by DRDO.
  • Defence Minister Rajnath Singh termed it a "game changer" for India's security architecture.
  • The system's effectiveness was demonstrated during "Operation Sindoor," providing a protective umbrella.
13 Jun 2026 Read more

Indian reservoirs can host 102 GW floating solar capacity, addressing land acquisition challenges

A report by the National Institute of Solar Energy (NISE) indicates that India's reservoirs possess the potential to host approximately 102 gigawatts (GW) of floating solar capacity. This technology offers a viable solution to the significant land acquisition challenges faced by ground-mounted solar projects. The assessment identifies feasible areas based on specific geospatial filters, with Maharashtra, Madhya Pradesh, Karnataka, Odisha, and Telangana accounting for the bulk of this potential. India's flagship Omkareshwar floating solar park in Madhya Pradesh is a key project in this domain.

  • Indian reservoirs have a potential for 102 GW of floating solar capacity, as per a NISE report.
  • Floating solar is a strategic solution to overcome land acquisition issues for solar projects.
  • The potential is concentrated in states like Maharashtra, Madhya Pradesh, and Karnataka.
11 Jun 2026 Read more

Securing India against the threat of a 'Mythocalypse': AI and cybersecurity challenges

The article discusses the emerging threat of "Mythos-class" AI capabilities, which can autonomously discover and exploit vulnerabilities in cybersecurity systems, posing a significant risk to critical infrastructure. It highlights that these AI models can chain low-severity vulnerabilities into destructive attacks and make cyber capabilities accessible to non-state actors. India's current digital infrastructure, relying on fragmented legacy back-end systems, is vulnerable. The author advocates for a defensive AI partnership, a dedicated India AI Safety Institute (IAISI), and a critical sector cybersecurity upgradation fund to secure India against this "Mythocalypse."

  • Mythos-class AI models can autonomously discover and exploit cybersecurity vulnerabilities, including "zero-day" flaws.
  • These AI capabilities can chain multiple low-severity vulnerabilities into highly destructive attacks, making advanced cyber tools accessible to a wider range of actors.
  • India's digital public infrastructure, especially public sector banks and government systems, relies on outdated technology, increasing its vulnerability.
10 Jun 2026 Read more

New IMI-resistant mustard hybrids require diverse farming strategies for sustainable weed management

Indian farmers are set to cultivate imidazolinone-resistant (IMI-resistant) mustard hybrids in the 2026-27 rabi season to combat Orobanche, a parasitic weed that significantly reduces mustard yields. These hybrids, developed through mutation breeding, allow farmers to use IMI herbicides to kill weeds without harming the mustard plants. While welcomed for their immediate benefits and reduced labor demand, experts caution against over-reliance on a single herbicide mode of action. To ensure long-term viability and prevent herbicide resistance in weeds, a diverse farming strategy incorporating crop rotation, different types of herbicides, and continued manual weeding is recommended, moving beyond a quick-fix chemical solution.

  • New IMI-resistant mustard hybrids are being introduced in the 2026-27 rabi season to combat the parasitic weed Orobanche, which significantly impacts yields.
  • These hybrids, developed via mutation breeding, allow for the use of IMI herbicides to selectively kill weeds without harming the mustard crop.
  • While offering immediate benefits by reducing labor demand and protecting oilseeds, experts warn against the long-term risks of over-reliance on a single herbicide.
9 Jun 2026 Read more

SIPRI report: India expanded nuclear arsenal and increased military spending in 2025

The Stockholm International Peace Research Institute (SIPRI) Yearbook 2026 reports that India modestly expanded its nuclear arsenal to around 190 warheads by early 2026, up from 180 in 2025, and continued developing new delivery systems. India's nuclear modernization program focuses on longer-range weapons capable of reaching targets across China, while also addressing rivalry with Pakistan. The report highlighted the May 2025 India-Pakistan military confrontation, 'Operation Sindoor,' where both countries integrated cyberoperations into active military conflict for the first time. India remained the world's fifth-largest military spender in 2025, with an expenditure of $92.1 billion, an 8.9% increase from the previous year.

  • India's nuclear arsenal expanded to approximately 190 warheads by early 2026, according to the SIPRI Yearbook 2026.
  • India is modernizing its nuclear program, focusing on developing longer-range weapons to target China and addressing security concerns with Pakistan.
  • The May 2025 India-Pakistan military confrontation, 'Operation Sindoor,' marked the first time both nations integrated cyberoperations into active military conflict.
9 Jun 2026 Read more

Scientists rule out worst-case climate scenario, but warn of drastic change under current policies

Climate scientists have retired the extreme RCP8.5 scenario, which projected over 4°C warming by 2100, deeming it implausible due to rapid renewable energy adoption and climate policies. This eliminates the 'doomsday scenario' and its most severe consequences. However, scientists caution that the planet is still on track for drastic climate change under current policies, with the new highest emission scenario projecting around 3.5°C warming by 2100. The world is currently on a 'medium pathway' towards roughly 2.8°C warming by 2100, and keeping global temperature rise below 1.5°C without significant overshoot appears impossible. Even moderate warming of 2°C poses severe risks like droughts and extreme rainfall.

  • Climate scientists have retired the extreme RCP8.5 scenario, which predicted over 4°C warming by 2100, due to increased renewable energy adoption and climate policies.
  • While the 'doomsday scenario' is now considered implausible, the planet is still heading towards drastic climate change under current policies.
  • The new highest emission scenario projects approximately 3.5°C warming by 2100, and the world is on a 'medium pathway' towards 2.8°C warming.
7 Jun 2026 Read more

SpaceX IPO: Musk's bet to save empire amidst financial complexities and risks

SpaceX is preparing for a massive $75 billion IPO on Nasdaq (SPCX) at a $1.75-2 trillion valuation, primarily to fund its Orbital Data Centre (ODC) and AI unit expansion. The company faces scrutiny over its 'Frankenco' structure, where Starlink profits are used to offset xAI's heavy losses. Starlink also faces headwinds from new European regulations limiting its bandwidth and increased noise in radio bands. Analysts express skepticism about the valuation, citing the use of IPO proceeds for debt repayment and the controversial merger with cash-burning xAI as 'related-party transactions'. Concerns also exist regarding the feasibility of the proposed ODC and Terafab facility, particularly regarding thermal management and radiation hardening in space.

  • SpaceX is planning a massive IPO to raise $75 billion, targeting a $1.75-2 trillion valuation, primarily to fund its Orbital Data Centre and AI expansion.
  • The company's financial structure, where Starlink's profits are used to cover xAI's substantial losses, is under investor scrutiny.
  • Starlink faces regulatory challenges in Europe and technical issues with increasing radio noise.
7 Jun 2026 Read more

India needs innovative strategies to eliminate TB, says experts, citing promising trial results

The article highlights India's ongoing struggle to eliminate Tuberculosis (TB), a leading infectious killer, despite the lack of an effective vaccine for adolescents and adults. It emphasizes the need for a holistic approach beyond a 'one-shot' solution, including better detection, preventive therapy, and targeted vaccination. Recent findings from the ICMR-led PreVenTB trial showed promising efficacy for vaccines like VPM1002 and Immuvac against extrapulmonary TB, particularly in school-age children. Nutritional support is also identified as crucial for vaccine efficacy. The article advocates for the urgent deployment of moderately effective solutions, drawing parallels with India's past success in adopting TrueNat and Covaxin, rather than waiting for a perfect vaccine.

  • Tuberculosis remains a significant global health challenge, with India bearing a high burden, and current strategies are insufficient for elimination.
  • The PreVenTB trial by ICMR demonstrated promising results for new vaccines like VPM1002 and Immuvac, showing protection against extrapulmonary TB, particularly in school-age children.
  • A multi-pronged approach involving early detection, preventive treatment, targeted vaccination, nutritional support, and robust public health investment is crucial for TB elimination.
6 Jun 2026 Read more

Supreme Court Draft Rules Prohibit AI Use for Judicial Outcomes, Ensure Human Oversight

The Supreme Court AI committee has proposed draft regulations prohibiting the use of artificial intelligence (AI) for determining judicial outcomes, sentencing, or profiling individuals. The rules mandate that AI systems must operate solely in an assistive capacity, under strict human judgment, and must not perpetuate biases based on various grounds like race or gender. While AI is permitted for administrative tasks such as case management and scheduling, its use for "risk scoring" or assessing witness credibility is barred. An "apex body" is proposed to oversee AI adoption in the judiciary, ensuring accessibility and preventing digital divides.

  • The Supreme Court's draft regulations prohibit AI from making judicial decisions or profiling individuals.
  • AI systems are to be used only as assistive tools, always under human oversight and judgment.
  • The rules explicitly forbid AI from perpetuating biases based on protected characteristics.
5 Jun 2026 Read more

India's climate research hampered by lack of indigenous scientific instrumentation.

A Mega Science Vision-2035 report on Climate Research highlights India's critical deficiency in indigenous scientific instrumentation. The report states that India has lost the capacity to build quality scientific instruments, leading to heavy reliance on expensive imported equipment. These imported instruments are often used without proper understanding or calibration, resulting in questionable data and hindering credible research. While prototypes are developed, they rarely transition into industrial products. The report advocates for a pan-India Climate and Health Observatory and emphasizes indigenous instrument manufacturing, supported by assured procurement. It also calls for studies on renewable energy's long-term effects, social cost of carbon estimation, and addressing the shortage of trained manpower.

  • India's climate research is significantly hindered by its inability to produce indigenous scientific instruments.
  • Reliance on imported instruments, often uncalibrated and poorly understood, leads to unreliable data and impacts research credibility.
  • Despite successful prototype development, there's a failure to translate these into industrial products.
4 Jun 2026 Read more

Strengthening India's EV Supply Chains for Strategic Autonomy and Sustainability

India's EV sector is rapidly growing, but this momentum exposes a new strategic vulnerability: heavy reliance on imported lithium-ion batteries, particularly from China. The article argues that future EV growth must prioritize supply chain resilience, strategic autonomy, and long-term sustainability. Current domestic cell manufacturing is insufficient, leading to significant battery imports that are susceptible to global geopolitical and economic disruptions. To mitigate risks, India needs to diversify suppliers, chemistries (e.g., sodium-ion batteries), and geographies. Product modifications for efficiency, developing software-defined battery platforms, and building an "EV supply chain alliance" with trusted partners are crucial to sustain demand without external bottlenecks.

  • India's rapidly growing EV market is becoming strategically vulnerable due to high dependence on imported lithium-ion batteries, especially from China.
  • Future EV growth must focus on supply chain resilience, strategic autonomy, and long-term sustainability, beyond just electrification speed.
  • Domestic cell manufacturing capacity is currently inadequate, making India susceptible to global supply chain disruptions and price volatility.
3 Jun 2026 Read more

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