Dear subscribers, welcome issue #118 of Universal-Sci Weekly!
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This week, we explore five fascinating ways to look at the United States through the eyes of nature, revealing how forests, fossils, rivers, wildlife and landscapes connect places far beyond state boundaries.
We also examine why two people with similar diets and exercise habits can experience very different results on the scale, including how metabolism, appetite, genetics and environment may influence long-term weight management.
Beyond Earth, we take a closer look at 3I/ATLAS, the brightest interstellar comet ever observed, whose unusual chemistry may carry clues from an ancient star system.
Elsewhere, we investigate whether tears could provide early signs of changes in brain health, and how the James Webb Space Telescope is helping astronomers see through the strange clouds of a distant giant planet.
For readers inspired to explore the night sky themselves, we also highlight a beginner-friendly telescope for stargazing during warm summer evenings.
As always, please enjoy the read!
A pine cone on a forest floor, a fossil from an ancient sea, a shorebird stopping to feed on a beach. At first, these may seem like small, separate details of the American landscape. But look closer and they begin to reveal a much bigger story, one that stretches across rivers, mountains, coastlines, watersheds and time itself.
In this article, scientists Stewart Edie and Torben Rick take you on a journey through the United States as nature sees it, beyond state lines and political borders. Through pine forests, vanished oceans, animal migrations, Appalachian salamanders and the waters of Chesapeake Bay, they show how natural history connects places, species and people in ways that are often hidden in plain sight. - (Read more)
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In this article doctor Kim Pfotenhauer explains what may really be happening behind the scenes when we gain, lose, or struggle to maintain weight. She explores why the body may defend certain weight ranges, how metabolism and appetite can shift after weight loss, and why our environment can quietly influence us more than we realize. The answers may challenge some familiar assumptions, and they may also help readers look at weight, health, and long-term change in a more informed and compassionate way. - (Read more)
Every so often, something from beyond our Solar System passes close enough for astronomers to study. Most of the time, these objects are faint, fast-moving, and difficult to understand before they disappear back into space. - But 3I/ATLAS is different.
This interstellar comet is the brightest object of its kind ever observed, giving scientists a rare chance to examine material that did not form around our Sun. The question is not simply what 3I/ATLAS is made of. It is what its chemistry can reveal about where it came from, and how long ago that distant place existed.. - (Read more)
A tear is easy to overlook. It appears when we cry, blink, laugh too hard, or face a cold wind. But researchers are exploring whether this tiny drop of fluid could carry something far more useful than emotion: early clues about neurological health.
The question is both simple and intriguing. Could a quick, painless tear sample someday help doctors monitor changes in the brain before major symptoms appear? - (Read more)
Some worlds do not give up their secrets easily. WASP-94A b, a giant planet nearly 700 light years from Earth, is too far away to see in the familiar way we see planets in our own solar system. Astronomers cannot watch its weather roll across the sky through a telescope like a distant weather camera.
For years, clouds on planets like WASP-94A b have created a problem for scientists. They can blur the view of an atmosphere, making it harder to tell what a distant world is made of and how it formed. Now, using the James Webb Space Telescope, researchers have found a way to separate the planet’s cloudy side from its clearer one, revealing a world whose mornings and evenings look surprisingly different.? - (Read more)
Warm summer evenings are the perfect time to explore the night sky!
The Celestron PowerSeeker 127EQ is an ideal high-quality and powerful beginner’s telescope
Powerful yet beginner-friendly, this high-quality telescope offers impressive views of the Moon’s craters, planets, distant stars, and deep-sky objects such as the Orion Nebula. Its smooth equatorial mount makes celestial objects easy to find and track, while the portable design is ideal for backyard viewing, camping trips, and family adventures.
Complete with two eyepieces and a 3x Barlow lens, it has everything you need to begin your own stargazing journey.
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Thanks for reading, we hope to see you next time!

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