A flow chart, or flow diagram, is a graphical representation ... It begins with the input of data or materials into the system and traces all the procedures needed to convert the input into ...

Then you’ve probably experienced “flow”. Flow is a term used in psychology to describe a state of heightened concentration, in which you are completely absorbed in an activity. It exists ...

New research has uncovered that capillaries have the capacity to both sense brain activity and generate ... that capillaries actively control blood flow by acting like a series of wires ...