Light is always on the move. It zooms around at a speed of 186, 000 miles per second. This speed is the same whether it's coming from a star or a flashlight. One evening, a telescope was set up in a backyard in San Diego. It was pointed at a galaxy very far from Earth. The galaxy is called the Pinwh
Lung scans are crucial for spotting issues in the lungs. Doctors often use a method called CT pulmonary angiography (CTPA) to get a clear view. This method involves radiation and contrast dye, which can have side effects. Two hospitals wanted to see if they could improve this process. They tested a
A group from the Amazon rainforest is taking legal action. The Marubo Tribe, living in the Javari Valley, is suing a major newspaper. They are upset about a story that came out last June. The story talked about how the tribe was dealing with the internet. The tribe feels the story made them look bad
Puerto Rico is aging quickly. Almost everyone there is of Hispanic or Latino background. This is one of the fastest aging populations globally. The focus is on people aged 85 and older. This group faces a significant cancer challenge. Researchers looked into how common cancer is and how often it lea
A renowned Brazilian photographer has left a lasting impact on the world. Sebastião Salgado passed away at the age of 81. The news was shared by his nonprofit organization, Instituto Terra. The cause of his death was not disclosed. Salgado was not just a photographer. He was also an economist a
The landscape of homelessness has changed dramatically since the 1990s. Back then, a significant study was conducted on homeless adults. The findings from that study are outdated. This is because society has evolved. So, it's time to take a fresh look at how adults experiencing homelessness acce
The FDA has recently stepped in to update the warning labels for the Pfizer and Moderna COVID-19 vaccines. The focus is on a specific side effect: heart inflammation, which seems to affect young males more than other groups. This move comes after new data and studies showed that this risk is higher
Heart disease is a big deal, and figuring out who's at high risk is crucial. Two measures, the Triglyceride-Glucose Index and the Optical Flow Ratio, have been in the spotlight. The Triglyceride-Glucose Index, or TyG, is a simple way to check for insulin resistance. It's calculated using fasting tri
Scientists have made a big discovery in the world of materials science. They found something special in a type of graphene called rhombohedral graphene. This isn't your ordinary graphene. It's made up of four or five layers stacked in a specific way. What makes it special? It shows signs of somethin
Insomnia is a common issue among people in Iran. It is a sleep disorder that can make it hard to fall asleep or stay asleep. Many people with insomnia seek help from psychiatric clinics. A recent investigation looked into how often and in what ways these patients use complementary and alternative
