Science Navigators

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Non profit organization form to achieve the objective to improve the knowledge and practice of science through formal and informal structure.

17/01/2026
01/04/2025

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A UCLA study found that chewing both synthetic and natural gum releases hundreds of microplastics into saliva.

Each gram of gum can release up to 600 particles, meaning a single piece may contain up to 3,000. A frequent gum chewer could swallow around 30,000 microplastic particles per year.

Researchers tested ten gum brands—five synthetic and five natural—and found both released similar amounts of microplastics, mainly polyolefins, PET, polyacrylamides, and polystyrenes. Most particles were released within the first two minutes of chewing, with 94% released by the eighth minute.

Though the health effects of microplastic ingestion are still unclear, past studies have linked them to cancer, dementia, and heart disease.

29/03/2025

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A Once-in-a-Lifetime Explosion Is About to Light Up Our Night Sky 💥

Any day now, a long-dead star in the constellation Corona Borealis, 3,000 light-years from Earth, is expected to explode in a brilliant nova — an event so bright it will temporarily create a “new star” in our night sky, briefly rivaling Polaris, the North Star.

This cosmic guest, known as T Coronae Borealis, last erupted in 1946 and won’t do so again for another 80 years. Astronomers around the world are watching closely — and soon, you might be able to see it with the naked eye.

What’s happening?

A dense stellar remnant called a white dwarf is stealing material from a nearby red giant. As this hydrogen-rich material builds up on the white dwarf’s surface, pressure and temperature rise until it triggers a sudden, runaway thermonuclear explosion — until boom! A dramatic burst of light and energy that can make the star shine tens of thousands of times brighter for a short period, without destroying it. It’s a cosmic reset — and one of the most powerful phenomena we can see without a telescope.

This is one of only 10 known recurrent novae in the Milky Way. NASA and observatories worldwide are poised to capture every second across gamma rays, X-rays, and radio waves – and you might get to witness it firsthand, right from your backyard.

Learn more: https://www.space.com/astronomers-new-star-nova-explosion-t-coronae-borealis

👉See more space comics & infographics: www.fromquarkstoquasars.com/

29/11/2024

Air pollution from India

28/11/2024

Historical data of Cyclone of Sri Lanka

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