The Medical News Today news team reports on emerging science, cutting-edge research, new treatments, and trending topics in health and medicine. All articles are written by our network of editors and ...

National Geographic photographers are fueled by restless curiosity, roaming the planet in search of fresh perspectives. Join us on the journey with top photos and stories from 2021.

Polymers are either natural or synthetic macromolecules composed of many repeating units (monomers) usually arranged in the form of a chain. Examples of polymers are silk, rubber, silicone, DNA and ...