Expression systems are genetic constructs (a gene encoded by DNA) that are designed to produce a protein, or an RNA (ribonucleic acid), either inside or outside a cell. Expression systems are used ...

Greek mythology is the most influential source for many popular English expressions. Credit: Carole Raddato, Wikimedia Commons, CC BY-SA 2.0 Have you ever wondered about the origins of many common ...

Soak the foot in cold water for 20 minutes. If the pain is more than mild, "buddy-tape" it to the next toe. Wash the toe with soap and water for 5 minutes. For any cuts, use an antibiotic ointment ...

Another option for disposable diapers is to cut off a wedge with a scissors. Then seal the edge with tape. Getting some poop on the cord or navel is not serious. If it occurs, clean the area with soap ...