Recent reporting, background, and summaries from the science desk.
Researchers at Oregon Health & Science University have unveiled "cellular winds," a groundbreaking, previously unknown system that actively transports proteins and essential materials throughout cells. This discovery fundamentally challenges existing biological understanding and could provide crucial insights into phenomena like cancer metastasis.
NASA's Artemis II mission is set for a historic launch this Wednesday evening, marking humanity's first return to the moon in over five decades since Apollo 17. This groundbreaking mission, which began its two-day countdown on Monday, features a diverse crew including a woman, a person of color, and a Canadian.
Marine scientists have unveiled over 110 new species of fish and invertebrates discovered in the deep, unexplored waters of Australia's Coral Sea, revealing a hidden trove of biodiversity. This significant find, resulting from a 35-day research voyage, highlights the vast, uncatalogued life forms within protected marine areas and is expected to grow as further identification work continues.
Scientists are developing programmable microscopic robots constructed from DNA, designed to revolutionize medicine and technology by delivering drugs, targeting diseases, and assembling materials at an atomic level. While these innovative nanobots hold immense potential for precise internal actions, they are currently in early experimental stages, indicating widespread application is still some time away.
Human-driven climate change is dramatically slowing Earth's rotation by melting glaciers and ice sheets, a redistribution of mass that is lengthening days by an unprecedented 1.33 milliseconds per century—a rate not seen in millions of years. This subtle yet significant shift could soon impact critical technologies like GPS and global timekeeping, with projections indicating further acceleration if greenhouse gas emissions continue unchecked.
A global clinical trial has revealed that mavacamten, a heart medication previously approved for adults, safely and effectively improves blood flow in the left ventricles of youth with hypertrophic cardiomyopathy. This groundbreaking finding, the first phase 3 trial of its kind for pediatric HCM, offers a precision medicine approach that could help many young patients avoid invasive open-heart surgery.
Scientists have uncovered a hidden "critical point" in supercooled water, revealing how two distinct liquid forms merge to explain its peculiar behavior and impact it even at normal temperatures. This groundbreaking discovery, made possible by ultra-fast X-ray lasers, profoundly changes our understanding of water's fundamental role in nature and potentially the origins of life.
Four NASA astronauts for the Artemis 2 mission have arrived at Kennedy Space Center, signaling the final preparations for their historic journey around the Moon. This groundbreaking mission, the first crewed lunar voyage since 1972, is anticipated to launch as early as April 1.
Scientists at Helmholtz-Zentrum Dresden-Rossendorf have made a groundbreaking discovery, generating exotic Floquet states within tiny magnetic vortices using unprecedentedly low energy through gentle magnetic waves. This remarkable achievement not only challenges fundamental physics but also promises to act as a "universal adapter" linking conventional electronics with advanced spintronics and quantum technologies.
Scientists have identified TMEM175, a crucial ion channel acting as an "overflow valve" in cellular waste management, which regulates acidity within lysosomes. This breakthrough is vital because a faulty TMEM175 leads to toxic buildup and cellular dysfunction, directly linking it to diseases like Parkinson's and offering a promising new target for therapeutic development.
Along the eastern U.S. coast, rising sea levels and saltwater intrusion are creating eerie "ghost forests" of dead and dying trees, serving as stark visual warnings of climate change's immediate impact. Researchers are actively studying these altered ecosystems to understand how changes in stemflow from dying trees are profoundly altering soil chemistry and microbial communities, thereby impacting crucial carbon and nutrient processing.
NASA has unveiled an ambitious $20 billion initiative to establish a permanent human base on the Moon within seven years, signaling a significant shift in its lunar exploration strategy. To achieve this, the agency is canceling its Lunar Gateway space station project and repurposing its components to build the new surface base, accelerating the timeline for sustained human presence.