Can UV Light Kill Coronavirus?

As society hunkers down in an attempt to stop the spread of COVID-19, commonly known as the coronavirus, people are taking stringent precautions to keep themselves from catching the disease, including self-quarantining and disinfecting commonly touched surfaces. As such, hand sanitizer, rubbing alcohol, and other disinfectants are currently in short supply. With man-made sanitizers in…

How did they grow so fast?

Whilst astronomers are fairly certain that supermassive black holes, billions of times more massive than our  Sun, dwell at the center of almost every galaxy in the Universe, they are still unsure how these cosmic monsters reach such tremendous sizes. The problem seems to be one of time, the Universe is 14 billion years old,…