For selenium in rivers, timing matters
Selenium contamination of freshwater ecosystems is an ongoing environmental health problem around the world. A naturally occurring trace element, selenium levels are high in some geologic formations like sedimentary shales that form much of the bedro.....»»
Brazil"s flooded south paralyzed as waters remain high
Brazil's flooded south remained paralyzed Monday, with schools and health centers shut and streets cut off as overflowing rivers showed no sign of receding after torrential rains in a disaster that has left 147 dead......»»
Rivers rise again as rain batters flood-hit south Brazil
River levels rose again Sunday as strong rains lashed waterlogged southern Brazil, where flooding has killed 145 people and forced hundreds of thousands from their homes......»»
International SWOT mission can improve flood prediction
Rivers, lakes, and reservoirs are like our planet's arteries, carrying life-sustaining water in interconnected networks. When Earth's water cycle runs too fast, flooding can result, threatening lives and property. That risk is increasing as climate c.....»»
Here’s why a rich guy going to space for a second time actually matters
Polaris Dawn will be the first time that SpaceX employees have actually gone to space. Enlarge / The crew of Polaris Dawn from L to R: Anna Menon, Scott Poteet, Jared Isaacman, and Sarah Gillis. (credit: John Kraus/Polaris Progra.....»»
Unraveling isopods" culinary secrets and why it matters for ecosystems
New research on desert isopods' dietary preferences is the revelation of the complex factors influencing their food choices. By understanding how these animals meticulously regulate their nutrient intake and prefer biological soil crusts over plant l.....»»
When injecting pure spin into chiral materials, direction matters
Researchers from North Carolina State University and the University of Pittsburgh studied how the spin information of an electron, called a pure spin current, moves through chiral materials. They found that the direction in which the spins are inject.....»»
A look at the past suggests atmospheric rivers inundating California could get worse
A team of paleoclimatologists with the U.S. Geological Survey, NASA Ames Research Park, has found that atmospheric rivers in the past have dumped far more rain on California than those that have occurred over the past two years......»»
Marine sharks and rays "use" urea to delay reproduction, finds study
Urea—the main component of human urine—plays an important role in the timing of maturation of sharks, rays and other cartilaginous fish......»»
Better reservoir management could aid food security and fisheries conservation in US
After nearly a century of people building dams on most of the world's major rivers, artificial reservoirs now represent an immense freshwater footprint across the landscape. Yet, these reservoirs are understudied and overlooked for their fisheries pr.....»»
No new Vision Pro before late 2026, and declining demand – neither matters
Mark Gurman’s latest Power On newsletter suggests that Apple isn’t expected to launch a new Vision Pro (or Vision something) model until the end of 2026. That follows another report last week, suggesting that demand for the spatial computer is.....»»
Why Tesla"s Full Self-Driving rollout in China matters
Enabling FSD in China would provide a buffer to Tesla's declining EV sales and allow the automaker to better compete with local rivals in the world's largest auto market where driver assistance and other connected car features are prized......»»
Study provides new global accounting of Earth"s rivers
A study led by NASA researchers provides new estimates of how much water courses through Earth's rivers, the rates at which it's flowing into the ocean, and how much both of those figures have fluctuated over time—crucial information for understand.....»»
Managing meandering waterways in a changing world
Just as water moves through a river, rivers themselves move across the landscape. They carve valleys and canyons, create floodplains and deltas, and transport sediment from the uplands to the ocean......»»
Study shows the longer spilled oil lingers in freshwater, the more persistent compounds it produces
Oil is an important natural resource for many industries, but it can lead to serious environmental damage when accidentally spilled. While large oil spills are highly publicized, every year, there are many smaller-scale spills into lakes, rivers, and.....»»
Steelhead trout, once thriving in Southern California, are declared endangered
Southern California's rivers and creeks once teemed with large, silvery fish that arrived from the ocean and swam upstream to spawn. But today, these fish are seldom seen......»»
iOS 17.5 Release Date & Time Narrows
The iOS 17.5 release date timing for iPhone has narrowed thanks to an announcement from Apple. Apple today pushed a new version of the iOS 17.5 beta to testers. It’s the third version of the beta which means the software is progressing toward a.....»»
One of the biggest Oura Ring competitors just did something huge
Ultrahuman, one of the biggest competitors to Oura, just made a huge leap forward. It's opening a production facility on U.S. soil. Here's why it matters......»»
A global plastics treaty is being negotiated in Ottawa this week—here"s the latest
Plastic pollution spans the globe, yet national policies are generally not effective enough, and have so far focused primarily on waste management rather than targeting the root cause. To make matters worse, the global trade in plastic waste tends to.....»»
Unraveling the mysteries of consecutive atmospheric river events
In California's 2022-2023 winter season, the state faced nine atmospheric rivers (ARs) that led to extreme flooding, landslides, and power outages—the longest duration of continuous AR conditions in the past 70 years. Scientists at Lawrence Berkele.....»»
Tijuana River among most endangered in America due to sewage crisis
The Tijuana River, with frequent flows of sewage and chemical-tainted waters, is among America's top endangered rivers, according to a report that spotlights threats to clean water nationwide......»»