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India and the US have “a natural synergy” and similar aspirations and it is important for them to work together in the field of science and technology not only for the welfare of their own people but also to solve global problems, a top American scientist has said.

“(Through) global collaborations, we can then devise solutions that can be global, but also applicable for local situations,” National Science Foundation (NSF) Director Dr Sethuraman Panchanathan said.

Over the past few months, the India-US collaborations in the field of science and technology have gained momentum and is reflected in the fact that India’s two top Cabinet ministers – External Affairs Minister S Jaishankar and Finance Minister Nirmala Sitharaman – having meetings with Panchanathan at the NSF headquarters here.

In addition, Panchanathan has had meetings with Science and Technology Minister Jitendra Singh both here and in India and with Education Minister Dharmendra Pradhan in India in the last few months.

The discussions with Sitharaman ranged around some of the key existing and futuristic areas of collaboration like AI (Artificial intelligence) for agriculture and COVID-19.

“Two large democracies wanting their citizens to be prosperous, why should we not work together?” he asked.

Panchanathan, both India and the United States have “a natural synergy” and similar aspirations.

“This a very important moment for global collaborations,” Panchanathan told PTI in a recent interview adding that it is time for like-minded partners to be able to work together and do some amazing things for individual nations, but also solve global problems.

“If you take climate, for example, climate not only brings together multiple disciplines that have to contribute, and also be able to arrive at inspirations from the problem being something that they can build new technologies, new solutions, new science, scientific approaches, and so on. But the context of global nature is very, very important,” he said.

Because of the fact that India and the United States share common values, common aspirations, and also the desire for Prime Minister Narendra Modi and President Joe Biden to want to work together and “there is there is an impetus to do more, better and faster,” Panchanathan said.

“I’m very proud to say that we had 35 new projects that we launched when I was at IIT Delhi, within a year,” he said.

“We are funding our US side of investigators, and India’s six digital technology hubs at the Indian Statistical Institute, IIT Bombay, Delhi, Chennai, and Jodhpur. These are the six institutions’ digital technology hubs,” he said.

The Indian-American scientist, who now is driving America’s scientific research and development, said he is passionate about developing and spreading innovation centres.

“It is very important to make sure that we’re investing in fundamental scientific research. We are making sure that there are generations of young talent, who are inspired by science and want to pursue scientific careers. And making that a very very exciting as well as a rewarding career,” he said.

“The second thing, I find this, you also have to make sure that you’re investing in things that make a difference to the context. You’re not trying to replicate something from a different place. But putting it in the context of what the nation needs…. and investing in building those engineering technology and science inspired solutions,” he said.

He said India is full of talented people.

“How do you get domestic talent to play for the country? ….how do you make sure that every bit of talent feels that they have the chance to express themselves to the fullest, and contribute to the nation, the future of the nation,” he said.

Panchanathan said there is a need to build an entrepreneurial culture that not only leverages science and technology but also leverages the context and comes up with innovative solutions.

These things are all simultaneously important and highly interrelated.

“So it’s very important, in my view: strong opportunities, strong innovation centers, strong science, fundamental science investments, and a strong desire to take the context and build solutions,” the top Indian American scientist said.

Panchanathan was born and raised in Chennai.

Panchanathan is married to Sarada “Soumya” Panchanathan, an academic paediatrician and informatician, who has taught medical students, pediatric residents and informatics fellows. They have two children.


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Rare Titan Shadow Transits Will Sweep Across Saturn in Summer 2025

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Rare Titan Shadow Transits Will Sweep Across Saturn in Summer 2025

Saturn’s largest moon Titan will cast its shadow across the planet’s surface in a rare spectacle this summer. Over the coming months, observers on Earth may see a dark “hole” move across Saturn’s disk as Titan passes in front of the planet. This event is tied to a special alignment: roughly every 15 years, Saturn’s rings become edge-on to our view (a ring-plane crossing or equinox). Indeed, in March 2025 the rings briefly vanished as they lined up edge-on, setting the stage for Titan’s shadow to loom large on Saturn’s globe. After this year’s transit season, the configuration won’t recur until about 2040, making these transits uniquely unmissable.

Saturn’s Equinox and Titan’s Transits

According to Space.com, right now Saturn is near its equinox, meaning its tilted rings are edge-on to Earth. This geometry allows Titan’s shadow – a dark spot on Saturn – to sweep across the planet’s face, much like a lunar eclipse but on Saturn. Titan orbits Saturn about every 16 days, so during this alignment we can see its shadow cross Saturn’s disk repeatedly. In fact, roughly ten Titan shadow-transit events are expected during 2025. Three have already occurred (most recently on June 16), and seven more are forecast from July through early October 2025. When visible, each transit looks like a moving dark spot (a “hole”) on Saturn’s bright disk.

Viewing the Titan Shadow Transits

These transits are faint and require planning. A good telescope (at least 200× magnification) is needed to see Titan and its shadow. For viewers in North America, Saturn will be low in the pre-dawn sky during the event dates. According to Sky & Telescope, the remaining 2025 transit dates are July 2, July 18, August 3, August 19, September 4, September 20 and October 6 (local viewing times vary by location).

Early-season events last several hours, but the crossings shorten as the year goes on: by Oct. 6 the shadow is only visible briefly at the exact mid-transit moment. Observers should consult astronomy software and aim for clear skies on those dates, as any clouds or mist will obscure the subtle shadow.

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NASA’s Chandra Reveals Stunning Multi-Wavelength Image of Andromeda Galaxy

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NASA’s Chandra Reveals Stunning Multi-Wavelength Image of Andromeda Galaxy

NASA’s Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes X-ray, ultraviolet, optical, infrared, and radio images and illustrates the “collaboration of light” across the spectrum. The structure and future fate of the Milky Way are modelled with the help of Andromeda, which is 2.5 million light years away. This combined image not only shows high-energy radiation from a supermassive black hole but also provides a clear view of the arms and core of M31 in remarkable detail. The light is transformed into a sound with a sonification video, bringing another level of sensation.

Chandra X-ray Data Reveals Black Hole Flares and Dark Matter Legacy in New View of Andromeda

As per NASA’s Chandra team, the X-ray observations — alongside data from ESA’s XMM-Newton, NASA’s GALEX and Spitzer, Planck, IRAS, COBE, Herschel, and more — reveal distinct galactic features. Notably, a flare detected in 2013 from Andromeda’s supermassive black hole showed enhanced X-ray emission. The data also honours astronomer Vera Rubin, whose M31 rotation studies led to the first convincing evidence for dark matter. Rubin is now commemorated on a 2025 U.S. quarter.

Among the release features is a signature sonification, with different categories of light — X-ray, ultraviolet, optical, infrared, and radio — translated into sound tones. Volume is controlled by brightness, pitch by frequency position. The result is a sound map of the galaxy’s internal structure.

The Chandra programme for NASA’s Science Mission Directorate in Washington is managed by NASA’s Marshall Space Flight Centre in Huntsville, Alabama. Chandra’s overseer is the Smithsonian Astrophysical Observatory in Cambridge, Massachusetts.

With this updated M31 panorama in hand, astronomers are in for a beautiful sight, but the broader population is also treated to a sight and sound experience that transports us to our Milky Way’s closest galactic neighbour.

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Could These Meteorites Be from Mercury? New Research Hints at Rare Discovery

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Could These Meteorites Be from Mercury? New Research Hints at Rare Discovery

Scientists have observed whether the meteorites can reach Earth from Mercury. Over thousands of meteorites from Mars and the Moon have been observed, but none have been from Mercury, despite it being a nearby rocky planet. A new study revealed Icarus suggests two meteorites, Ksar Ghilane 022 and Northwest Africa 15915, could belong to Mercurian origin. Such a kind of meteorite can offer a realistic opportunity to study the material of the surface of the planet, if the technical challenges and the cost of sending a spacecraft to Mercury are met.

New Meteorite Samples Show Strong Similarities

As per the new studies reported to Physics.org , Meteorite NWA 7325 and aubrites in the past were considered to be possibly from Mercury. However, the mineral composition of their samples has inconsistencies with the known surface data from the Messenger mission of NASA. Aubrites formed on a planet similar in size to Mercury, lacking spectral and chemical similarities, and further weakened as Mercurian fragments.

Ksar Ghilane 022 and NWA 15915, the new samples, share many traits of Mercury crust, with olivine, oldhamite, pyroxene, and minor albitic plagioclase. The oxygen composition of these matched with the aubrites, signalling a similar planetary origin and putting them among strong Mercurian members.

Key Differences Raise Scientific Questions

There are key differences even after that, and the two meteorites contain very little plagioclase than on the Mercury surface, and are about 4,528 million years older than Mercury’s surface material. If they are from Mercury, there is a possibility that they can represent an ancient crust which is no longer visible on the planet.

Future Missions and Scientific Verification

Relating a meteorite to a particular planet is quite difficult without direct samples. BepiColombo missions are orbiting Mercury currently, and can offer valuable insights to confirm meteorites source. Mercurian meteorites can get valuable insights into the formation, composition and history of the planet. There are further findings to be presented at the Meteoritical Society Meeting 2025 in Australia.

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