Scientists have discovered a way to use microorganisms to generate hydrocarbons. It is hoped that this idea could eventually be used to create fuel. [2:45]

An introduction to the varieties of aromatic hydrocarbons that are benzene derivatives, and how to name them.

Practice naming hydrocarbons with branches and rings in this video. Also, learn how carbons are classified as: primary, secondary, tertiary, and quaternary carbons. [13:05]

In this video segment adapted from 'Need to Know,' meet a fisherman who became a cleanup worker on the 2010 BP oil spill and then developed health problems. Learn about concern over the health and safety of cleanup workers because of the...