Bone tissue engineering faces challenges that require advanced materials. One strategy is to create composite scaffolds. These scaffolds need to support bone repair and have enough strength. Researchers tried making a scaffold from bacteria, mineral, and graphene. Each part is sourced from waste, li
Did you know that certain metals can be mixed to supercharge hydrogen storage? Let's dive into how swapping one metal for another can create a stronger, more efficient hydrogen storage system. Imagine a world where your car runs on hydrogen, a clean and renewable fuel. To make this happen,
Exercising every day is super important for kids. But do they do it enough? This study looked at how well kids in Ecuador follow the World Health Organization's (WHO) advice on physical activity. They checked two very different places: Cuenca, where lots live in cities and have basic needs met, and
You might be surprised to learn that the FBI recently searched the home of Brian Williams, the deputy mayor for public safety in Los Angeles. This isn't just any deputy mayor, though. Williams has been working on crucial issues like police hiring and spending for almost two years. But what's the big
Meet John, a 54-year-old man who had a special map of his brain's blood vessels made. This map, called a computed tomography angiogram (CTA), showed something unique. John's left posterior cerebral artery (PCA) wasn't just getting blood from the vertebrobasilar system, like most people. It also had
Even though Bashar al-Assad's regime is gone, Syria is far from peaceful. There are several reasons why foreign powers are still involved. Turkey wants to take out Kurdish militants. Israel is striking at Syria’s military to keep weapons out of extremist hands. The US is nervously eyeing ISIS, makin
Scientists are raising alarms about a future threat: bacteria with mirrored molecules, nicknamed "mirror bacteria. " These tiny organisms have molecules facing opposite to those in all known life forms, like our left and right hands. This strange structure could make them dangerous to humans, animal
Recently, rumors suggested that drones spotted in New Jersey might be searching for missing radioactive material. However, officials have clarified that these speculations are unfounded. The mystery began when a piece of medical equipment containing a small amount of the radioactive isotope Germaniu
The world is facing a big problem: bacteria are becoming resistant to our usual medicines. Scientists are searching for new ways to fight these tough bugs. One interesting idea comes from the bacteria themselves. Some types of bacteria make special molecules called pyoverdines. These molecules can s
Last weekend, Ariana Grande's fans were excited by rumors that the popular singer was planning a tour in 2025. However, her record label quickly put an end to those hopes by sharing a message on social media. They said, "There are no tour plans for next year, but Ariana is thankful for her fans' lov
