Team of Astronomers discovers Galaxy that Shouldn’t Exist

Image of outer space.
A color-composite image of PEARLSDG made with JWST NIRCAM data. Individual stars are visible as small points of light in the image. Its somewhat dull color and lack of many bright stars is consistent with its old age and lack of ongoing star formation. Image Credit: NASA, ESA, CSA, Jake Summers (ASU), Jordan C. J. D’Silva (UWA), Anton M. Koekemoer (STScI), Aaron Robotham (UWA) and Rogier Windhorst (ASU)

A team of astronomers, led by Arizona State University Assistant Research Scientist Tim Carleton, has discovered a dwarf galaxy that appeared in James Webb Space Telescope imaging that wasn’t the primary observation target.

Galaxies are bound together by gravity and made up of stars and planets, with vast clouds of dust and gas as well as dark matter...

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Brain Boosters from Exercise and Diet

walking
Credit: Unsplash/CC0 Public Domain

Studies show that physical activity is actually a mental health exercise. One article that states just 15 minutes of walking, especially in the out-of-doors, can boost mood and reduce feelings of depression.

People seem to think more clearly after a brisk walk as well. It makes sense. As the heart pumps oxygen and nutrients to working muscles, the brain gets the same benefits.

Are there foods that might help our brains stay focused?
In 2015, scientists reported on a diet that was found to help slow the gradual decline in cognitive function we may experience as we age...

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New Material Design for Transistors could Downsize Next-Gen Tech

New material design for transistors could downsize next-gen tech
An atomic-scale rendering of the Mott insulator (green) and underlying material (blue) that proved key to refining and stabilizing the performance of a potentially smaller transistor. Credit: University of Nebraska-Lincoln

By better taming the Jekyll-and-Hyde nature of an alternative to the semiconductor—one that transitions from electricity-resisting insulator to current-conducting metal—Nebraska’s Xia Hong and colleagues may have unlocked a new path to smaller, more efficient digital devices. The team reports its findings in the journal Nature Communications.

The semiconductor’s ability to conduct electricity in the Goldilocks zone—poorer than a metal, better than an insulator—positioned it as the just-right choice for engineers looking to build transistors, the tiny on-off sw...

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Are Space Elevators possible? Physicist says they could Transform Humanity into a ‘Spacefaring Civilization’

View of planet earth from the porthole of a spacecraft in space.
The concept of a space elevator has been championed by some industry experts as a way to overcome the astronomical costs associated with sending people and cargo into space by rocket. 3D Illustration by Getty Images

Humanity’s quest to explore—and, perhaps eventually, colonize—outer space has prompted a great many ideas about how precisely to go about it.

While conventional wisdom suggests that space launch via rockets is the best way to send human beings into orbit, other “non-rocket” methods have been proposed, including a futuristic “space elevator.”

The concept of a space elevator—essentially a sky-high cable that would let humans climb into space—has been championed by some industry experts as a way to overcome the astronomical costs associated with sending people and ca...

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