Life on Earth has long been understood to run on two main energy sources. One comes from sunlight, captured by photosynthesis. The other comes from chemical reactions, such as microbes feeding on ...

Now, researchers have developed a prototype whitening powder that works differently. Instead of using high levels of ...

Adults with high esophageal hypervigilance and anxiety and worse esophageal function prior to achalasia treatment experienced ...

Even with regular brushing, teeth can become stained from genetic factors or consuming foods and drinks like tomatoes and ...