Engineering

Self-sensing cantilever design enhances microelectromechanical system performance in challenging environments

Microelectromechanical systems (MEMS) are tiny devices that integrate various components, such as miniature sensors, electronics and actuators, onto a single chip. These small devices have proved highly promising for precisely ...

Planetary Sciences

Nearby super-Earth has a sulfur-rich atmosphere, Webb observations suggest

Using the James Webb Space Telescope (JWST), astronomers from the Space Telescope Science Institute (STScI) in Baltimore, Maryland and elsewhere have conducted transmission spectroscopy of a nearby super-Earth exoplanet ...

Falling for financial scams? It may signal early Alzheimer's disease

Older adults who are more vulnerable to financial scams may have brain changes linked to a higher risk of Alzheimer's disease, according to a first-of-its-kind study led by researchers at the USC Dornsife College of Letters, ...

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Tech Xplore

Why are black holes stable against their own gravity?

Neutron stars are timelike matter with a maximum mass of about 2.34 solar masses in quantum chromodynamics (the strong color force). Black holes are spacelike matter that have no maximum mass, but a minimum mass of 2.35 solar ...

Video: Mars rover trials

Rover trials in a quarry in the U.K. showing a four-wheeled rover, known as Codi, using its robotic arm and a powerful computer vision system to pick up sample tubes.

Q&A: What 106°F heat does to plants

With temperatures across much of Southern California crossing triple digits this week, we are relying more than ever on plants to keep us cool outside. But the plants don't get much of a break from the relentless sun.

New firmoss species found in Guizhou, China

Huperzia is a genus of lycophyte plants, sometimes known as the firmosses or fir clubmosses. It contains about 25 species that mainly occur in temperate and boreal climatic zones of the world.

ChemCam hits 1 million laser shots on Mars since 2012

The ChemCam instrument, developed at Los Alamos National Laboratory, recently zapped its laser for the 1 millionth time on Mars. Sitting on top of NASA's Curiosity rover, ChemCam has been helping make groundbreaking discoveries ...

Why are we so fascinated with aliens?

Robert Smith is convinced the aliens have won. "The invasion has happened—it's all over," says the University of Alberta space historian who teaches a course on the history of extraterrestrials.

New models help predict protein dynamic signatures

To the average person, knowing how a protein wiggles might not seem that exciting or pertinent, but then again, most people aren't fascinated by the natural movements and fluctuations of proteins and their functional properties. ...

Gut molecule slows fat burning during fasting, study finds

In a struggle that probably sounds familiar to dieters everywhere, the less a Caenorhabditis elegans (C. elegans) worm eats, the more slowly it loses fat. Now, scientists at Scripps Research have discovered why: a small molecule ...

Bacteria's hidden hand in tick survival

A new study led by Prof. Yuval Gottlieb from the Koret School of Veterinary Medicine at The Hebrew University of Jerusalem has unveiled important information about the relationship between the brown dog tick, Rhipicephalus ...

Athens suburbs on fire as Greece calls on EU for help

A massive wildfire blazed its way into Athens' northeastern suburbs on Monday as hundreds of firefighters battled to contain it, forcing thousands of residents to flee their homes and sparking a Greek government appeal for ...