Faults in HVAC systems are a sneaky problem in commercial buildings. They can make the system work less efficiently and even shorten the life of the equipment. This means that a big chunk of energy, between 5% and 30%, is wasted. This is a lot of energy that could be saved. Let's talk about var
In the bustling city of Nanjing, a megacity in eastern China, the impact of extreme temperatures on emergency ambulance calls is a pressing issue. Researchers have been digging into hourly data from 2018 to 2021 to understand how extreme cold and heat affect the need for emergency medical services.
Hernias are a common issue. They happen when an internal part of the body pushes through a weakness in the muscle or surrounding tissue. Ventral hernias are a type of hernia that occurs in the abdominal wall. They can be painful and may require surgery to fix. Two methods are often used to repair th
The new ID rules for flying domestically began on a Wednesday, after a long delay of 17 years. The change was barely noticeable at O'Hare Airport, with short security lines and most travelers having the right ID. However, not everyone was pleased with the new rules. One traveler, Bonnie Kern, was f
The skies above Newark Liberty International Airport have been far from smooth sailing. Problems started last summer, when air traffic controllers began sounding the alarm about serious safety issues. These problems were not just minor glitches. They were major red flags that went unheeded. One
In the bustling skies above Newark, a sudden technical meltdown sent air traffic controllers into a panic. It all started when one controller in Philadelphia lost his radar screen. This was not a minor glitch. This was a big problem. The radar screen is the eyes of the controller. Without it, t
Airlines have long been making money by partnering with credit card companies. But what about those who can't qualify for these cards? A new startup, Rove, is changing the game. It's making it possible for young people to earn airline miles without needing a credit card. The idea came from Max Morg
The 11-inch iPad Air M2 is now available at a significant discount. This tablet, which was released in 2024, is currently priced at just under $700. This is a steep reduction from its original price, making it an attractive option for those looking to purchase a high-quality tablet without breaking
The Federal Reserve, often called the Fed, has a big job. It needs to keep the economy healthy. This means making sure prices don't go up too fast and that people have jobs. Right now, the Fed is facing some big challenges. The president has been putting pressure on the Fed chairman, Jerome Powell.
The quest to mend damaged cartilage has led scientists to explore the power of 3D printing and stem cells. This isn't just about printing ink on paper. It's about using a special kind of ink made from natural materials and living cells. The goal is to repair cartilage, the smooth, white tissue that
