Four concrete barriers blocked the way for salmon that once swam freely between the Pacific Ocean and the high desert reaches of Oregon and California for more than a hundred years. The dams were removed in 2024 as part of one of the largest dam removal projects in U.S. history, letting the river flow freely…
Chen Yuanhui. Image Credit: South China Morning Post Chen Yuanhui has spent more than four decades studying one of China’s rarest venomous snakes, even though his work has cost him part of a finger and repeatedly put his life in danger. The 77-year-old, widely known as the ‘Snake Doctor,’ discovered the ‘Mangshan pit viper’ and…
This photo taken on Aug. 10, 2026 shows a view of the Muz Taw Glacier in Altay, northwest China’s Xinjiang Uygur Autonomous Region (Photos: Xinhua net) Researchers in China have tried to make artificial snow over China’s Muz Taw Glacier to slow its melting. The experiment conducted in 2018 involved seeding clouds with silver iodide,…
Image Credit: AI Generated Two Canadian students have developed a colour-changing toothpaste designed to make toothbrushing easier for children to understand. Ella Zhang and Gillian Leung, students at Havergal College in Canada, created ‘ToothTint’ as a school project that uses a natural pigment to change colour in response to conditions inside the mouth. The idea…
In 1980, conservationists began an ambitious ecological restoration programme on Santa Cruz Island, off the coast of Southern California. The main goal was to remove tens of thousands of feral sheep whose uncontrolled grazing was damaging native plants and threatening wildlife habitats. Over the next seven years, organised eradication efforts dramatically changed the island’s landscape….
The study, published in Nature, could also change how scientists identify links between gut bacteria and disease. The human gut is home to trillions of microorganisms that together form the gut microbiome. These microbes play important roles in digestion, immune function and metabolism. Now, researchers led by the University of Vienna have found that common…
Quote of the day by Albert Einstein (Image: Wikipedia) Albert Einstein‘s famous words offer a genuinely different way of looking at achievement. In a world where success is often measured through money, job titles and public recognition, this line asks people to look beyond what they have actually achieved and think honestly about what kind…
BIO-ENGINE introduced in the pond. Image Credit: Hatena Blog Japanese students at Nakui Agricultural High School in Aomori Prefecture developed a natural water-cleaning system after years of research, and tested it on a pond where recurring algae outbreaks had caused unpleasant smells. According to Japan for Sustainability(JFS), the experiment worked. The pond’s algae outbreaks were…
AI generated for representation/ChatGPT Walk through the streets of Rome, London, Jerusalem or Delhi and you may be standing above a city that is hundreds or even thousands of years older. In Rome, archaeological deposits beneath the modern city can reach several metres in thickness. In London, Roman remains have been found beneath modern streets…
For decades, a concrete barrier on Virginia’s Appomattox River stood between migratory fish and more than 120 miles of upstream habitat. In 2014, its removal changed that. The Harvell Dam in Petersburg was taken out as part of a collaborative restoration effort, reconnecting roughly 127 miles of river for migratory and resident fish, according to…
Red-billed choughs are re-establishing themselves in Kent, with the county’s population now standing at 35 birds following a summer in which eight wild-born chicks successfully fledged. Kent Wildlife Trust confirmed the figure this week, noting that the latest additions take the total number of wild-born choughs to nine since the species returned to the county….
Seven-year-old Alyssa was looking for bugs and collecting rocks at a Calgary playground when she noticed something unusual in one of the boulders surrounding the park. A dark shape embedded in the stone caught her attention, prompting the young palaeontology enthusiast to take a closer look. What began as an ordinary search during a trip…
