Evaluate expressions to find values related to George Washington Carver's agricultural work.
Text-to-Speech
Keyboard Preferences
The media player on this web page can be operated from anywhere on the page using keyboard shortcuts (see below for a list). Modifier keys (Shift, Alt, and Control) can be assigned below. NOTE: Some key combinations might conflict with keys used by your browser and/or other software applications. Try various combinations of modifier keys to find one that works for you.
