tavis: up next, technology writer david pogue. stay with us. david pogue covers technology for "the new york times" and works with the award-winning series, "nova sciencenow," wednesday evenings. you can catch a premier of the whole new season. here is a preview. >> what sets us apart from other animals? is it laughter? is it dexterity? or is it something primitive? deep down in our dna? could neanderthal still be among us? >> you have many neanderthal genes. >> all 10,000 or 12,000 are going to launch into flight. >> the unexpected. >> how can that be? there is nothing left. >> this fall, on pbs. tavis: first of all, congratulations on the new gig. >> thank you. >> -- tavis: welcome to pbs. why did you want to do this? it is not like you did not already have a lot on your palette -- plate. >> i think nova wanted to have a stand in for the audience. i tried to translate the jargon, but indiana, and the audience -- but in the end, i am the audience's representative. many do not believe in evolution or global warming. something has got to be done