Covalent-organic frameworks, or COFs, are like the superheroes of the materials world. These materials are designed with specific molecular structures to perform amazing tasks, like detecting tiny amounts of ammonia (NH3) at room temperature. Imagine two COFs, β-keto-AnCOF and imine-AnCOF, which hav
Scientists have been working hard to figure out how to predict if a substance will harm the liver. They've come up with a clever method that combines lab tests and computer analysis to guess if a compound might cause liver damage in humans. This new approach uses something called gene expression dat
Mexico has a tax on snacks that are high in calories but not very nutritious. This tax was introduced in 2014, and it targets foods with more than 275 calories per 100 grams. The aim was to encourage healthier eating habits and combat obesity, especially among children. The tax is currently set at 8
First, let's talk about how the brain and muscles work together. Scientists wanted to see how different types of exercises affect this connection. They looked at two main types of exercises: one where you move your wrist to a specific spot (position control) and another where you push or pull with y
In the busy skies near Ronald Reagan National Airport, a tragic event unfolded on January 29. An Army Black Hawk helicopter and an American Airlines jet collided, resulting in the loss of 67 lives. The National Transportation Safety Board (N. T. S. B. ) is now digging deep into what went wrong. The
Ever found yourself thinking, "If only I knew this earlier, my career would be so different! "? Well, a bunch of toxicology experts got together and shared their wisdom. They talked about the best advice they got or wished they had received. This gathering was all about learning from the pros and fi
In a surprising move, the White House has decided to ban the Associated Press (AP) from covering events in the Oval Office and on Air Force One. Why? Because the AP refused to use the new name for the Gulf of Mexico, which the White House has decided to call the "Gulf of America. " The Whit
Imagine looking at a tiny cell under a microscope and seeing its insides. This is what scientists do in labs to study how things work. They use special cameras to take pictures of cells and see how they change. This is called imaging. It's like taking a selfie, but for cells. These pictures help sci
Samsung is facing a challenge in the battery race. While Chinese competitors are embracing silicon-carbon batteries, Samsung is lagging behind. The tech giant was rumored to be planning a 7, 000mAh battery for the Galaxy S26 series, but a tipster claims otherwise. According to this tipster, Samsung'
The US has been busy making changes to how electronic nicotine delivery systems, or ENDS, are sold and marketed. First, a nicotine warning statement became mandatory in September 2018. This was a big deal because it meant companies had to clearly state the risks of nicotine. Then, in December 2019,
