Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

To manufacture protein molecules, a cell must first transfer information from DNA to mRNA through the process of transcription. Then, a process called translation uses this mRNA as a template for ...

Various nerves control bladder and bowel function, including the spinal cord, cauda equina, pudendal nerves, and the enteric nervous system, a nerve network in the walls of the digestive tract. These ...

An office breathing test typically means you blow into a machine that measures how much air your lungs can take in and how quickly and forcefully you can blow it out. These numbers tell your doctor if ...

Reem Heakal is a writer who became an Investopedia contributor in 2003. Her writing covers a wide array of large-scale financial topics. Headquartered in Basel, Switzerland, the Bank for International ...