Journalism of Courage
EXPLAINED SCI TECH NEWS - Page 2
Why do pigeons have a good sense of direction?Subscriber Only
November 24, 2025 17:55 IST
A wide variety of animals detect magnetic fields. This sensory ability helps birds and insects migrate and turtles remember the locations of rich feeding areas.
From gene modification to genome editing – India’s journeySubscriber Only
November 24, 2025 13:52 IST
India could not take full advantage of cultivating GM crops. But the story is more encouraging in GE crops, where there is both indigenous research and breeding happening and also policy support from the government
Moss spores survive months in space: Why is this significant?Subscriber Only
November 23, 2025 16:38 IST
Moss — the small plant usually found in damp, shady spots — is already known for its resilience on Earth. It is among the earliest land plants and has colonised some of the harshest environments on the planet
Why Saturn’s rings will appear to have vanished this SundaySubscriber Only
November 23, 2025 14:49 IST
The debris from this event created Saturn’s signature rings. It is possible that other gas giants like Jupiter, Uranus, and Neptune also had rings once
NASA releases new pictures of Comet 3I/Atlas: What is an interstellar object?Subscriber Only
November 21, 2025 15:07 IST
Objects such as 3I/Atlas and 1I/ʻOumuamua can help give clues about the formation of worlds far beyond our Solar System. Scientists usually analyse the chemical composition of these objects, which can provide them with information about the conditions of the objects’ solar systems, and how they were formed
Sentinel-6B : new satellite to observe oceanSubscriber Only
November 18, 2025 13:35 IST
Sentinel-6B is a joint mission between the United States’ NASA and NOAA, and the European Space Agency; it is the latest in a series of satellites launched since the 1990s, mainly by NASA, to measure the sea-level changes from space.
Ricin poison ‘terror plot’: What is ricin, and why a few milligrams can be fatalSubscriber Only
November 14, 2025 06:54 IST
Last week, the Gujarat ATS arrested three men, including a ‘doctor’, for trying to produce ricin – a deadly chemical compound that, if ingested, can lead to multiple organ failure and death. Here’s everything you need to know about the protein, typically extracted from castor beans
How James Watson helped unravel the double helix structure of the DNASubscriber Only
November 11, 2025 11:56 IST
The discovery of the DNA structure sparked a flurry of new research, birthing fields like molecular biology, biotechnology, gene modification and editing.
What govt’s AI guidelines mean for tech regulation in IndiaSubscriber Only
November 12, 2025 05:42 IST
The recent guidelines suggest risk management within the existing framework of laws under the guiding principle of ‘Do No Harm’.
An Expert Explains | Why Indian science fails to produce Nobel laureatesSubscriber Only
November 9, 2025 12:46 IST
The major problem remains that the current nature of academia is resistant to change and blocks visionaries. Until this system is dismantled and replaced with transparent hiring, merit-based funding, and visionary leadership, India will remain a land of potential, not of discovery
Why Nvidia’s Jensen Huang said ‘China is going to win the AI race’Subscriber Only
November 8, 2025 06:28 IST
As Nvidia has become perhaps the most important company at the heart of the AI gold rush, the company fears that geopolitical tensions between the US and China could hurt its access to a vast pool of AI developers in China.
Tom Brady’s cloned dog: All about the process, its criticismSubscriber Only
November 5, 2025 18:29 IST
In the nearly three decades since Dolly the sheep was cloned, dozens of animals have been cloned using the same basic principles. The first dog was successfully cloned by South Korean researchers in 2005
ISRO’s heaviest comms sat launch: All about LVM3, India’s biggest ever launch vehicleSubscriber Only
November 2, 2025 07:47 IST
Notably for the space agency, this satellite will be the first weighing over 4,000 kg to be put in the distant geosynchronous transfer orbit from Indian soil. It also breaks with ISRO's tradition of contracting out the launch of the heavier satellites to private space agencies from other countries
Explained: ISRO’s record-breaking LVM-3 Mission today, and what it means for India’s future space flightsSubscriber Only
November 2, 2025 19:27 IST
ISRO LVM3-M5 Launch CMS-03 Satellite Today Explained: So far, ISRO had to contract out the launch of its heavier satellites to private space agencies from other countries. The current launch is a milestone towards the growing capability of the LVM3 rocket.
Why cloud seeding experiments planned over Delhi during post-monsoon season may not workSubscriber Only
October 27, 2025 14:48 IST
Delhi Artificial Rain via Cloud Seeding Explained: Every winter, the air quality in Delhi and the surrounding areas deteriorates over a few kilometers. Smog and polluted air threaten public life, especially those with compromised lungs and respiratory conditions.
As India looks to mandate AI content labelling, examining the growing menace of deepfakesSubscriber Only
October 24, 2025 06:25 IST
India AI Content Labelling: Companies like Meta and Google already have some form of AI labelling on their platforms, and ask the creator at the time of uploading a piece of content whether it was made using AI. But, enforcement remains patchy.
As OpenAI launches Atlas, why AI firms are betting big on web browsersSubscriber Only
October 23, 2025 07:00 IST
AI web browser, ChatGPT Atlas browser: Unlike the current search engine experience, where a question is responded by multitudes of links to other websites which may actually contain the answer to the question, AI-based browsers are expected to change the paradigm of online search
An AWS outage took down nearly the entire Internet. What caused it?Subscriber Only
October 22, 2025 04:01 IST
AWS outage 2025: More than 1,000 services were impacted by the outage, including popular platforms like WhatsApp, Snapchat and Reddit, which rely on AWS services, along with financial institutions like the British government’s tax services and entertainment services
Here is why eye injuries are rising among pickleball playersSubscriber Only
October 20, 2025 11:32 IST
The number of eye injuries is small relative to the number of Americans who play pickleball, estimated to be at least 19.8 million. But some injuries were serious enough that they could lead to vision loss
Green crackers are cleaner, not clean: Here’s the science behind the sparkleSubscriber Only
October 21, 2025 10:33 IST
Green crackers release fewer toxic particles, but the chemistry behind the sparkle is not entirely clean. Here's how green crackers work, where they succeed, and what needs improvement.
India aims to export its 4G stack. Can it counter China’s digital silk road?Subscriber Only
October 13, 2025 19:16 IST
India’s 4G stack comprises indigenously developed hardware and software for operating a 4G mobile network. India joins an elite group of countries including Denmark, Sweden, South Korea, and China to have this capability
Study: Why green Bayley Hazen Blue cheese turned whiteSubscriber Only
October 12, 2025 12:06 IST
The cheesemakers didn’t mind that their prized product was changing color, but they were curious about the cause
Quantum breakthrough in digital security: How Indian researchers achieved this, significanceSubscriber Only
October 10, 2025 21:08 IST
For the first time, a technique to generate true random numbers is ready to be deployed in real-life situations. It potentially paves the way for the development of hack-proof digital security.
Chemistry Nobel 2025: Making ‘room’ for new uses of ChemistrySubscriber Only
October 9, 2025 09:36 IST
Nobel Prize 2025 Chemistry Winners: The 3 Chemistry Nobel laureates have been honoured for creating Metal-Organic Frameworks, whose use cases have seen significant growth in recent times
Nobel Prize 2025 Chemistry Winners: What have the three done, what are the real-world uses of their workSubscriber Only
October 9, 2025 13:50 IST
Nobel Prize 2025 Winners in Chemistry: The 3 winners have created metal-organic frameworks, or MOFs. MOFs can trap moisture from desert air to get water, or ethylene gas from fruits so they spoil slowly. We explain how MOFs were created, what they do, and how.
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