The Daniel K. Inouye Solar Telescope captured the sharpest-ever images of the sun’s surface, revealing ultra-fine bright and dark stripes called striations that are caused by powerful magnetic fluctuations. ... Read full Story
The Zanj, enslaved people largely from Africa, rebelled at the same time they were ordered to build a massive system of canals in what is now Iraq, a new study finds. ... Read full Story
In patients showing cognitive decline, a new blood test for Alzheimer's is expected to make diagnosis more convenient, accessible and inexpensive than other existing tests. ... Read full Story
NASA's Chandra X-ray Observatory has captured a striking image of a distant quasar from the "cosmic noon," including a giant energy jet "being illuminated by the leftover glow from the Big Bang itself." ... Read full Story
A new proof-of-concept study explored the feasibility of tracking the evolution of superbug infections in real time to help save infected patients. ... Read full Story
In squash, the "nick shot" is an emphatic, point-ending play in which a player strikes a ball that ricochets near the bottom of the wall and rolls flat along the floor instead of bouncing, leaving an opponent with no chance to return it. ... Read full Story
Activity levels in a specific region of the brain predict whether we think something is real, irrespective of whether we've seen it or imagined it. ... Read full Story
All humans who have ever lived were once each an individual cell, which then divided countless times to produce a body made up of about 10 trillion cells. These cells have busy lives, executing all kinds of dynamic movement: contracting every time we flex a muscle, migrating toward the site of an injury, and rhythmically beating for decades on end. ... Read full Story
In a new study, researchers carried out the most extensive coordinated comparison of optical clocks to date by operating clocks and the links connecting them simultaneously across six countries. Spanning thousands of kilometers, the experiment represents a significant step toward redefining the second and ultimately establishing a global optical time scale. ... Read full Story
Sharing disappointing results with a world of researchers working to find what they hope will be the "discovery of the century" isn't an easy task, but that is what Penn State theoretical physicist Zoltan Fodor and his international research group did five years ago with their extensive calculation of the strength of the magnetic field around the muon—a sub-atomic particle similar to, but heavier than, an electron. At the time, their finding was the first to close the gap between theory and experimental measurements, bringing it in line with the Standard Model, the well-tested physics theory that has guided particle physics for decades. ... Read full Story
Making your own microscope slides can be fun and easy with these simple-to-follow tips — including dry and wet mounting, plus crafty alternatives. ... Read full Story
With 10 times the mass of our planet, and spending only part of its orbit in the habitable zone, Kepler-725c is very different to Earth. ... Read full Story
Symptoms of Werner syndrome, which causes premature aging, can appear in a person's teens and progress quickly in their 20s and 30s. ... Read full Story
"To juvenile loggerhead sea turtles, a tasty squid might as well be a disco ball. When they sense food—or even think some might be nearby—these reptiles break into an excited dance. ... Researchers recently used this distinctive behavior to test whether loggerheads could identify the specific magnetic field signatures of places where they had eaten in the past. The results, published in Nature, reveal that these rambunctious reptiles dance when they encounter magnetic conditions they associate with food." — Jack Tamisiea, Scientific American, 12 Feb. 2025
Did you know?
Rambunctious first appeared in print in the early half of the 19th century, at a time when the fast-growing United States was forging its identity and indulging in a fashion for colorful new coinages suggestive of the young nation's optimism and exuberance. Rip-roaring, scalawag, scrumptious, hornswoggle, and skedaddle are other examples of the lively language of that era. Did Americans alter the largely British rumbustious because it sounded, well, British? That could be. Rumbustious, which first appeared in Britain in the late 1700s just after the signing of the Declaration of Independence, was probably based on robustious, a much older adjective meaning both "robust" and "boisterous."