Journalism of Courage
EXPLAINED SCI TECH NEWS - Page 4
ISRO is building its heaviest rocket ever: A look at the space agency’s launch vehiclesSubscriber Only
August 23, 2025 18:06 IST
The history of ISRO’s own launch vehicles goes back to 1980, when the space agency successfully launched its first rocket, SLV-3, into space. Since then, ISRO has made much more powerful and efficient rockets such as PSLV and LVM-3.
Why premium chocolates taste flavourfulSubscriber Only
August 20, 2025 18:07 IST
Scientists have identified five bacteria and four fungi that play a crucial role in cocoa fermentation, which gives premium chocolate a distinct flavour profile
How scientists built a password-protected mind-reading brain implantSubscriber Only
August 16, 2025 17:01 IST
These implants have emerged as promising tools for people with severe physical disabilities. They are also being used to restore speech in people who have limited reliable control over their muscles
Perplexity’s $34.5B Chrome bid: How AI is fueling the next browser warsSubscriber Only
August 14, 2025 21:40 IST
Perplexity’s move is significant as it is targeted at one of Google’s prized assets even as the US government pushes to break up the big tech company. But why are AI companies eyeing web browsers?
An eye on CO2 from space could soon shut: why this mattersSubscriber Only
August 12, 2025 10:14 IST
OCOs are a series of dedicated Earth remote sensing satellites that were designed specifically to observe atmospheric CO2 from space in order to better understand the characteristics of climate change.
Google as a ‘monopolist’: What remedies could a US court suggest for curbing its market dominance?Subscriber Only
August 8, 2025 19:00 IST
The impact of the upcoming judgment may be felt across Google’s other markets, including India. Here is what to know.
OpenAI’s low-cost, open-weight AI models are here. But are they truly ‘open’?Subscriber Only
August 6, 2025 19:16 IST
The move marks a shift in OpenAI’s strategy which, in recent years, has focused on building proprietary, closed AI models. The rethink was largely prompted by the DeepSeek mania earlier this year.
How a new project plans to curb rhino poaching through radioactive isotope injectionsSubscriber Only
August 3, 2025 19:50 IST
South Africa, home to the world’s largest rhino population, had lost over 10,000 rhinos to poaching over the last decade. Here is how the Rhisotope Project aims to deploy a different method for their conservation.
Why 8.8 magnitude Kamchatka quake is rare but not unusualSubscriber Only
July 31, 2025 06:45 IST
With a magnitude of 8.8, the earthquake in Russia’s far-eastern corner is one of the strongest on record. Its epicentre lies on the Circum-Pacific seismic belt, more popularly known as the ‘Ring of Fire’, which is the most seismically active belt on the planet, accounting for 80% of Earth’s largest earthquakes
All about CTE, ‘brain commotion’ caused by sports injuries, that New York shooter claimed to haveSubscriber Only
July 31, 2025 06:45 IST
CTE is a degenerative brain disease linked to repeated brain trauma. It can lead to debilitating symptoms such as depression, memory loss, aggression, impared judgment, erratic behaviour, suicidal tendencies, anxiety, and dizziness.
How an earthquake can generate tsunamiSubscriber Only
July 30, 2025 16:55 IST
There are several factors that are involved in the generation of tsunamis. These include location, depth, type of fault and magnitude of the earthquake
Google’s AI summaries are driving down website clicks. Can it reshape the way people surf the internet?Subscriber Only
July 31, 2025 15:51 IST
Google users were less likely to click on result links when visiting search pages with an AI summary compared with those without one.
Why the launch of NASA-ISRO joint satellite NISAR mattersSubscriber Only
July 30, 2025 08:32 IST
Once deployed, NISAR will be the most powerful Earth observation satellite in space, producing data and high-resolution images that will facilitate research in a variety of fields
How Lovable became a successful AI-powered app builderSubscriber Only
July 26, 2025 17:39 IST
Lovable is essentially a company that offers an AI-powered app development platform, allowing users to build entire web applications using natural language prompts
#arseniclife: Story of a viral study & a contentious retractionSubscriber Only
July 26, 2025 10:56 IST
While there is broad scientific consensus against the study’s findings, the retraction nonetheless is contentious, and potentially opens a pandora’s box for academic publishing.
Weapons of Math Destruction: What do Olympiad gold medals mean for the AI race?Subscriber Only
July 24, 2025 14:39 IST
The race to build AI systems that rival human intelligence has led to several claims of mathematical breakthroughs, but this week provided a clearer sign of progress.
What is Comet, Perplexity’s agentic AI-powered browser?Subscriber Only
July 23, 2025 14:44 IST
Perplexity’s new browser, Comet, is built for agentic AI tasks. From summarising videos to replying to emails all within your tabs, here’s what sets it apart
Gujarat to create genome database of tribal communities: what’s the project, whySubscriber Only
July 20, 2025 18:00 IST
The Gujarat Tribal Genome Sequencing Project aims to gain critical insight into the genetic makeup of these tribal groups, which, at 15% of the state's population, consist of approximately 1 crore people.
Why merger of two black holes, 100 times bigger than the Sun, holds significanceSubscriber Only
July 18, 2025 12:51 IST
The detection of gravitational waves from this event has generated a lot of scientific interest. It has the potential to refine the current understanding of black hole formation, the evolution of stars, and, possibly, the current models of the universe itself.
Simpler, safer: Why spacecraft prefer splashdowns over landing on groundSubscriber Only
July 18, 2025 14:14 IST
Landing in the ocean is the preferred way to bring back astronauts from space, though some spacecraft also make a landing on a runway like an aircraft. But the latter has special requirements, needs more sophisticated systems, and is usually costlier.
How will space travel impact Shubhanshu Shukla’s health: Why astronauts need ‘reconditioning’ to earthSubscriber Only
July 17, 2025 14:54 IST
Shubhanshu Shukla Space motion sickness symptoms: While it took Shubhanshu Shukla and the others a few days to adjust to the microgravity environment in space, their body is likely to feel the impacts of gravity on Earth too once back. Here's what happens
How Grok praising Adolf Hitler reveals a deeper AI problemSubscriber Only
July 16, 2025 06:39 IST
Elon Musk’s AI chatbot Grok has riled users again by embarking on a wide-ranging, hateful rant. But underlying the controversy are questions of not just how AI chatbots work but also what shapes their behaviour and to what extent it can be aligned with human values.
3I/Atlas: How do scientists determine if an object is interstellar?Subscriber Only
July 13, 2025 12:18 IST
3I/Atlas was first spotted on July 1 by the Asteroid Terrestrial-impact Last Alert System (Atlas) survey telescope in Río Hurtado, Chile. At the time it was about 670 million km from the Sun
Its eye on space, how the Vera C Rubin Observatory will reveal the cosmos like never beforeSubscriber Only
July 11, 2025 13:47 IST
The telescope has the world's largest digital camera, which is the size of a small car, weighs 2,800 kg, and boasts a staggering resolution of 3,200 megapixels. Such components will help provide comprehensive images of the night sky.
Kerala engineer held for selling drugs over the internet: What is the ‘dark web’, and is it really all dark?Subscriber Only
July 7, 2025 19:16 IST
According to the police, Mulayamkottil Edison was a level-four darknet vendor. What does this mean? Why is the dark web often used for crimes, and what are its other uses?
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