What is Phosphate Buffered Saline? Phosphate buffered saline (PBS) is a special saltwater solution used in science labs. It is a buffered solution, which means it can keep its pH (acidity) steady. The pH of PBS is about 7.4, similar…
Imagine a 3D printer that can create objects too small to see with your eyes. It uses light instead of ink or plastic strands. It can make details so tiny that they are thinner than a human hair. This amazing…
Many people love sweet treats like candy and soda. But eating too much sugar can cause problems like cavities and weight gain. Sugar substitutes are ingredients that taste sweet with little or no sugar. They let us enjoy sweetness without…
The Challenge of Getting Medicine to the Right Place Have you ever wondered how a tiny pill knows where to go in your body? Medicine needs to reach the right spot to work. If it goes to the wrong place,…
If you’re feeling worried about new viruses that might spread among people, you’re not alone. Chinese research team led by virologist Shi Zhengli have just found a new bat virus, called HKU5-CoV-2, that can infect human cells. It uses the…