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EXPLAINED SCI TECH NEWS - Page 7
Europe’s space agency retires Gaia, the cartographer of the cosmos: Its mission & significanceSubscriber Only
March 27, 2025 21:04 IST
Gaia has transformed the way the Milky Way galaxy is viewed. Its data allowed scientists to recreate not just a 3D map of the galaxy, but also predict how it will change over time.
Why Martian dust may pose health risks to astronautsSubscriber Only
March 27, 2025 12:11 IST
Researchers found that the size of a Martian dust particle is quite small (it is about 4% the width of a human hair), which makes it more hazardous for humans
How secure is Signal, app Trump team used to share war plans?Subscriber Only
March 26, 2025 13:17 IST
Signal is an app that can be used for direct messaging, group chats, and phone and video calls. As the app uses end-to-end encryption for its messaging and calling services, a third party cannot view conversation content or listen in on calls.
Why does Grok talk like that? Partially because of the books it readSubscriber Only
March 23, 2025 22:14 IST
Grok Chatbot Humor: Grok's tone and even its name are all inspired by popular science fiction books. Here are three such influences.
Why scientists were surprised to find life under Antarctic ice shelfSubscriber Only
March 22, 2025 07:30 IST
The mission was part of Challenger 150, a UNESCO-endorsed global initiative for deep-sea research. The discoveries were announced on Thursday. The findings provide new insights into how ecosystems function beneath floating sections of the Antarctic ice.
Voyage of the iguanas: How they travelled from Americas to FijiSubscriber Only
March 21, 2025 13:02 IST
Every other living iguana species dwells in the Americas, from southwestern US to the Caribbean and parts of South America. So how could a handful of reptilian transplants have ended up on two islands in the South Pacific?
Spring Equinox 2025: What to know about the vernal equinoxSubscriber Only
March 21, 2025 12:48 IST
March 20, 2025, marks the vernal or spring equinox in the Northern Hemisphere. Here is all you need to know.
Serbia’s govt accused of using a sonic weapon against protestors: What is this device?Subscriber Only
March 20, 2025 01:02 IST
Acoustic or sonic weapons are devices that deliver very loud sounds over long distances. They can be designed to emit painful audible or inaudible sound waves
Why Sunita Williams’s unscheduled nine months long space stay may be a blessing in disguise for researchersSubscriber Only
March 19, 2025 07:39 IST
Now, a SpaceX Dragon spacecraft, which carried four astronauts to the ISS on a routine assignment, is bringing back Williams and Wilmore on its return journey. Two other astronauts, Nick Hague and Aleksandr Gorbunov, who have completed their time on the ISS, are also returning with Williams and Wilmore.
How ‘microlightning’ in water droplets may have sparked life on EarthSubscriber Only
March 18, 2025 04:39 IST
A new study adds another angle to the much-disputed Miller-Urey hypothesis, which argues that life on the planet emerged from a lightning strike. The analysis says that water sprays are sufficient for generating organic compounds, without requiring electricity from external sources
Genetic predisposition: Why some labradors (and humans) are at higher risk of obesitySubscriber Only
March 21, 2025 13:34 IST
The gene DENND1B, which was found to particularly influence the appetite of labradors, is also linked to obesity in humans
AI basics: What are neural networks and why are they significant?Subscriber Only
March 12, 2025 18:46 IST
The field of AI is notoriously filled with jargon. To better understand what is going on, here is a series of explainers, which will break down some of the most common terms used in AI, and why they are important
How new gene-edited bananas could help reduce food wasteSubscriber Only
March 11, 2025 12:31 IST
Tropic, the UK-based biotech company which has developed these bananas, claims that their fruit remains fresh and yellow for 12 hours after being peeled. Here is why this matters.
How scientists created ‘woolly mice’ as part of their quest to bring back the woolly mammothSubscriber Only
March 6, 2025 14:30 IST
Those involved in the research said it shows the possibility of editing genes to express certain desired physical traits, such as thicker hair, which are based on extinct animals like the mammoth. But not everyone is convinced.
AI basics: What are artificial intelligence and machine learning?Subscriber Only
March 5, 2025 12:09 IST
The field of AI is notoriously filled with jargon. To better understand what is going on, here is a series of explainers, which will break down some of the most common terms used in AI, and why they are important
NASA’s PUNCH set to lift off: Why there has been an increase in the launch of solar missionsSubscriber Only
March 4, 2025 08:30 IST
The increase in the number of solar missions is no coincidence. The reason behind this has to do with the solar cycle
Blue Ghost lands on Moon: Why more private players are flying to the lunar surface this yearSubscriber Only
March 4, 2025 04:32 IST
Firefly is the third private operator to have sent a Moon mission under a special NASA programme called Commercial Lunar Payload Services. What is CLPS, and what does it aim to achieve?
Another reason to drink tea: Study finds that tea leaves can steep out lead, heavy metalsSubscriber Only
March 2, 2025 12:14 IST
According to the study, heavy metals get ‘adsorbed’ by brewing tea, a process by which ions or molecules stick to the surface of another molecule, creating a film on its surface. Here is what to know.
National Science Day: What is Raman Effect, what are some of its usesSubscriber Only
February 28, 2025 15:08 IST
National Science Day 2025: Since when has February 28 been National Science Day? How did CV Raman make his great discovery for which he won the Nobel Prize, the only science Nobel for India so far?
Connecting people from the moon? Behind NASA’s bid to put a lunar Nokia cellular networkSubscriber Only
February 28, 2025 10:38 IST
While the ten-day IM-2 mission is primarily focused on mining for precious resources on the far side of the moon, it will also attempt to deploy the first lunar surface cellular network. Here is what to know.
3 things to know about SPHEREx, NASA’s new space telescopeSubscriber Only
February 27, 2025 16:45 IST
During its short two-year mission, the observatory will help better understand things about the formation of the universe.
How a junk food binge can change brain activitySubscriber Only
February 26, 2025 16:57 IST
After we eat something, our body releases insulin to help us break down the food, and some of it reaches our brain to dampen our appetite. However, in people with obesity, the brain's response to insulin becomes weaker which affects how the body processes food
Has flying become more risky? Here’s what the data saySubscriber Only
February 25, 2025 14:00 IST
A series of high-profile aeroplane crashes in recent weeks have made many wonder whether flying has become more dangerous. We looked at the data and came up with a clear answer
What is black plastic — and should you get rid of it?Subscriber Only
February 25, 2025 07:29 IST
Here is a look at what black plastic is, the toxic chemicals it contains, and if one should be using black plastic spatulas and other utensils from it
Parents have a ‘favourite’ child based on things such as gender: What a new study saysSubscriber Only
February 24, 2025 19:50 IST
The researchers also developed ways to identify differences in the ways parents treat their children. Instead of asking parents if they have a favourite child, they enquired about more concrete information
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