Rewiring blood cells to give rise to precursors of sperm
Different cell types—say, heart, liver, blood, and sperm cells—possess characteristics that help them carry out their unique jobs in the body. In general, those characteristics are hard-wired. Without intervention, a heart cell won't spontaneousl.....»»
Geologists discover mysterious subduction zone beneath Pacific, reshaping understanding of Earth"s interior
University of Maryland scientists uncovered evidence of an ancient seafloor that sank deep into Earth during the age of dinosaurs, challenging existing theories about Earth's interior structure. Located in the East Pacific Rise (a tectonic plate boun.....»»
US hurricane deaths rise to 44, fears of more "catastrophic" flooding
At least 44 people died across five US states battered by powerful storm Helene, authorities said Friday, after torrential flooding prompted emergency responders to launch massive rescue operations......»»
Google and Meta update their AI models amid the rise of “AlphaChip”
News about Gemini updates, Llama 3.2, and Google's new AI-powered chip designer. Enlarge / There's been a lot of AI news this week, and covering it sometimes feels like running through a hall full of danging CRTs, just like this.....»»
Elucidating the mechanism of cell division during plant self-healing
When the stem of a plant is injured, the surrounding cells proliferate to repair and fuse the damaged tissue, eventually restoring function. This self-healing property is utilized in grafting techniques to propagate fruit and vegetable plants......»»
Scientists identify structural basis of stitched-together protein complexes that recycle most proteins in cells
Scientists at Sanford Burnham Prebys have developed a clearer picture of how crucial machinery in the human cell's recycling process for obsolete and misshapen proteins—known as proteasomes—are formed......»»
Want an RTX 5090? Prepare to wait a little longer
The latest reports suggest that Nvidia's RTX 5090 won't be released this year. On the upside, a few more leaks give us more insight into the card's specs......»»
Grocery stores that donate expiring food instead of price discounting or discarding make higher profits, says researcher
All major supermarkets and retailers that sell groceries, such as Kroger, Walmart and Costco, give large amounts of food to food banks and pantries. In 2022, retailers donated close to 2 billion pounds of food across the United States, which amounted.....»»
Building better bone grafts: Nanofibrous scaffolds to activate two main collagen receptors in bone cells
Each year, about 2.2 million bone-grafting procedures are performed worldwide, the gold standard of care being autografting, which uses the patient's own bone for tooth implantation and to repair and reconstruct parts of the mouth, face and skull......»»
Daily 5 report for Sept. 26: This Jeep story reinforces why auto shows are suffering
What better way to make a new-vehicle splash than to do the unveiling on the 46th floor of a Tokyo high-rise with a breathtaking view of the nation's capital?.....»»
Scientists develop method to control timing of synthetic DNA droplet division
Many cellular functions in the human body are controlled by biological droplets called liquid-liquid phase separation (LLPS) droplets. These droplets, made of soft biological materials, exist inside living cells but are not enclosed by membranes like.....»»
All Disney+ gift cards are 10% off at Best Buy
Give the gift of Disney+ with this amazing gift card offer! For a limited time, all Disney+ gift cards are on sale for 10% when you shop at Best Buy......»»
Rethinking privacy: A tech expert’s perspective
Data privacy has become one of the most pressing challenges of our time, but it didn’t happen overnight. The proliferation of data collection, coupled with the rise of advanced technologies like artificial intelligence and machine learning, has.....»»
OpenAI plans tectonic shift from nonprofit to for-profit, giving Altman equity
Under plans that have attracted criticism, shift may give Altman 7% equity in the firm. Enlarge (credit: Benj Edwards / OpenAI) On Wednesday, Reuters reported that OpenAI is working on a plan to restructure its core busi.....»»
NASA analysis shows irreversible sea level rise for Pacific islands
In the next 30 years, Pacific Island nations such as Tuvalu, Kiribati, and Fiji will experience at least 8 inches (15 centimeters) of sea level rise, according to an analysis by NASA's sea level change science team. This amount of rise will occur reg.....»»
Semimetal-induced covalency achieves high-efficiency electrocatalysis for platinum intermetallic compounds
Compared with other types of batteries, proton exchange membrane fuel cells have the advantages of high discharge power and no pollution, which is also an important carrier for hydrogen energy conversion and utilization. Platinum intermetallic compou.....»»
Sound provides new information about the secret lives of sperm whales
Sperm whales are the loudest animals on Earth and rely on sound to find food in the sprawling darkness of the deep sea. MBARI technology allows us to listen in, gaining new insight into the mysterious lives of these animals......»»
Concern grows as bird flu outbreaks continue to rise among California dairy herds
Reports of H5N1 bird flu outbreaks at California dairy herds are continuing to rise as the nation's largest milk producer scrambles to contain the spread......»»
UN chief says sea level rise threatens "rising tide of misery"
United Nations Secretary-General Antonio Guterres warned on Wednesday that rising sea levels threaten to create "a rising tide of misery" for millions, with intense storm surges, coastal erosion and coastal flooding increasingly likely......»»
Bottled water has a huge and growing toll on human and planetary health, experts warn
The huge and growing toll bottled water is taking on human and planetary health warrants an urgent rethink of its use as 1 million bottles are bought every minute around the globe, with that figure set to rise further still amid escalating demand, wa.....»»
New insights into hot carrier solar cells: Study explores hot electron tunneling and collection to enhance efficiency
Hot carrier solar cells, a concept introduced several decades ago, have long been seen as a potential breakthrough in solar energy technology. These cells could surpass the Shockley–Queisser efficiency limit, which is a theoretical maximum efficien.....»»