CHALK TALK: MITOCHONDRIA

submitted by: nsf

This episode of Chalk Talk gives viewers a look inside the "power plant" of most complex cells. Mitochondria provide energy for cells to move, divide, and do all the things they need to do to function properly. Mitochondria are found within almost all living organisms with complex cell structures.

Science of NFL Football - Geometric Shapes

submitted by: nsf
"Science of NFL Football" is a 10-part video series funded by the National Science Foundation and produced in partnership with the National Football League. In this segment, NBC's Lester Holt looks at the role geometric shapes play every time an NFL quarterback throws a pass. With the help of former NFL quarterback Joey Harrington, Professor Tony Schmitz of the University of Florida explains why the shape of the football allows quarterbacks to be so accurate when throwing the ball to their...