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"Scientists turn one of the world's hardest-to-recycle plastics into engine oil."

Views expressed in this science and technology update are those of the reporters and correspondents.  Accessed on 15 August 2026, 1715 UTC.

Content and Source:  "SciTechDaily.com Newsletter."

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Russ Roberts (https://hawaiisciencemonitor.blogspot.com).

SciTechDaily Newsletter

The latest science, space, and technology news.

Scientists Turn One of the World’s Hardest-To-Recycle Plastics Into Engine Oil   2026-08-15 11:56:12 +00:00 Polyvinyl chloride is one of the world’s most widely used plastics, but it is also difficult to recycle responsibly. Discarded PVC from pipes, window frames, and even credit cards could become a useful ingredient in synthetic lubricants instead of ending up in a landfill. Virginia Tech chemist and chemical engineer Guoliang “Greg” Liu and his [...] Read more...   Scientists Have Uncovered a Troubling New Pattern Hidden in America’s Rivers   2026-08-15 11:21:01 +00:00 A river can now move nearly a year’s worth of sediment in just a few intense weeks. Across the United States, the sand, silt, and soil carried downstream by rivers are becoming increasingly concentrated into short, intense bursts, according to a new study that reconstructed nearly four decades of sediment transport across 175 waterways. The [...] Read more...   Scientists Steer Infrared Light Through an “Invisible” Waveguide   2026-08-14 23:30:28 +00:00 The discovery could advance integrated photonics, on-chip optical signal transmission, and future quantum technologies. A nanoscale gold antenna placed on a crystal can send infrared light along one narrow route, even though no physical waveguide has been carved into the material. Researchers at the 4th Physics Institute of the University of Stuttgart and the Istituto [...] Read more...   Electrons Mysteriously Slow to a Crawl Inside This Magnetic Material   2026-08-14 22:55:32 +00:00 Inside an unusual magnetic material, electrons are doing something physicists did not expect: slowing to a near crawl while moving together in quantum lockstep. A team at the University of Chicago Pritzker School of Molecular Engineering (UChicago PME) found that electrons in Fe5GeTe2 can enter a charge-ordered state where they move collectively, remain quantum coherent, [...] Read more...   “Entirely Surprising” – Scientists Have Found a Martian Meteorite Unlike Any Known Before   2026-08-14 22:20:37 +00:00 A meteorite found in Algeria has opened a rare window into nearly 2 billion years of Mars’ history that had largely been missing from the geological record. Researchers at Boston College have determined that Northwest Africa (NWA) 13441, a rock blasted from Mars before eventually reaching Earth, crystallized about 1.273 billion years ago. Its age [...] Read more...   Cancer Stem Cells Have an “Energy Addiction” – and Scientists Found a Way To Exploit It   2026-08-14 19:01:45 +00:00 High-risk MDS stem cells may have a dangerous weakness hidden inside their own metabolism: an “energy addiction” that researchers may be able to exploit to selectively attack the cells driving the cancer. Cancer stem cells can survive treatments that kill many of the other cells around them, allowing disease to persist or return. Now, researchers [...] Read more...   Scientists Say This Simple Habit Could Lead to a Happier Marriage   2026-08-14 18:26:21 +00:00 A simple walk together could help couples communicate better, feel closer, and handle disagreements more effectively. New research from Brigham Young University found that young married couples who were physically active together tended to report better communication, stronger conflict resolution, and less marital stress. The association was stronger for shared exercise than for working out [...] Read more...   This Simple Measurement Could Expose a Hidden Diabetes Risk (And It’s Not Your Waistline)   2026-08-14 17:51:06 +00:00 A new screening method uses an unexpected body measurement to estimate diabetes risk without a blood test. Researchers have developed a free online screening tool that considers the length of a person’s thigh alongside six more familiar health indicators. Called MEDWACS, the tool estimates the likelihood that an adult has prediabetes or undiagnosed type 2 [...] Read more...   520-Million-Year-Old Fossil Reveals How Cephalopods Learned To Float   2026-08-14 15:22:40 +00:00 A 520-million-year-old fossil reveals an early stage in the evolution of cephalopod buoyancy. A tiny tube running through a shell helped early cephalopods control whether they rose or sank in the ocean. Living and extinct members of this group, including octopuses, squids, ammonites, cuttlefish, and nautiluses, have all faced the same challenge of regulating buoyancy, [...] Read more...   “Find of the Year” – Archaeologists Discover the Smallest Ice Age Figurines Ever Found   2026-08-14 14:47:34 +00:00 Archaeologists at the University of Tübingen identified a unique signature in miniature works of Ice Age art. Two birds small enough to rest on a thumbnail have emerged from 40,000-year-old layers inside Hohle Fels Cave. Carved from mammoth ivory, the figurines rank as the smallest examples yet found from the Ice Age, but each preserves [...] Read more...   Nearly Complete Fossil Reveals Scientists Were Wrong About This Ancient Mammal   2026-08-14 14:12:37 +00:00 An exceptionally preserved Cretaceous mammal challenges longstanding assumptions about early placental relatives. A nearly complete mammal skeleton recovered from Mongolia’s Gobi Desert has overturned a classification built largely from isolated teeth. Described in Nature by researchers from the American Museum of Natural History, Stony Brook University, the University of Arizona, and Arcadia University, the fossil [...] Read more...   New Research Challenges Common Exercise Advice for Bone Health   2026-08-14 11:39:00 +00:00 Bone formation markers responded most strongly to intense activities involving explosive movement and rapid changes of direction. A sharp turn on a handball court may produce a stronger early signal of bone formation than a long walk. According to researchers at Semmelweis University, the intensity and movement patterns of exercise may matter more for bone [...] Read more...   Cancer Cells Use a Sugar Shield To Hide From the Immune System   2026-08-14 11:04:28 +00:00 A study finds that nearby conditions and nutrients influence how cancer cells evade immune cells and how that protection might be disrupted. Cancer cells can sometimes escape immune attack by covering themselves in a dense layer of sugar-derived molecules that makes them harder for immune cells to recognize. Research from Sanford Burnham Prebys Medical Discovery [...] Read more...   Avoiding These 3 Health Risks in Midlife Linked to 13 More Years Without Dementia   2026-08-14 10:29:17 +00:00 Avoiding high blood pressure, diabetes, and smoking in midlife was associated with substantially more years lived without dementia. Three common health factors in middle age may be linked to how many years a person lives without dementia. Adults with normal blood pressure, no diabetes, and no history of smoking lived nearly 13 years longer without [...] Read more...   A Simple Feeding Change Makes Zoo Lions Behave More Like They Do in the Wild   2026-08-14 00:05:12 +00:00 Whole carcass feeding on a feast and fast schedule encouraged zoo-housed lions to display feeding and activity patterns more similar to those seen in the wild. For lions living in human care, the timing and form of a meal can influence behavior for days. A new Australian study found that giving zoo-housed lions whole animal [...] Read more...

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