Discusses independent versus dependent variables and the role of control variables. This video specifically looks at the different variables in an experiment involving a type of plant called Arabidopsis.
Learn new vocabulary words and help remember them by coming up with your own sentences with the new words using a Stop and Jot table.
Learn about mass extinctions and the complex factors that can lead to them.
Find out about research showing bird behavior may be far more sophisticated than previously believed.
Learn about techniques researchers are using to investigate how changes in the carbon cycle are affecting coral reefs.