accumulate and take it out of harm s way. and i expect this if we re good at this, we can assure our own survival relative to what happened to the dinosaurs long into the future because you know if the dinosaurs had a space program, they d still be here and we would continue to be food under t rex s feed. everybody loves knneal degra tyson. he s been educating me for 20 years. i learned about global warming in the natural museum of history. he helped me with a special and told me if you learn about one thing in science for your job, learn about climate change and here you are today. thank you so much. you re right once again. you re a gift to the audience. i m thankful to you this thanksgiving. thank you. we ll be right back with the upgrade. superpowers from a spider bite? i could use some help showing the world how