Dave Davies

Nearly all of the most commonly visited websites install invisible tracking software on your computer so the information can be sold to advertisers. Julia Angwin, who recently led a team of Wall Street Journal reporters investigating the practice, explains what companies do with the information -- and how you can protect your privacy online.

Actor Steve Carell stars as an amateur taxidermist who enjoys creating elaborate dioramas with his stuffed rodents in the new Jay Roach film, Dinner for Schmucks. The two comedy vets talk improv, pathos and more.

Journalist Joel Achenbach describes how our nation's electricity grid is based on 1960s technology that wastes power and discourages the use of renewable energy.