Deoxyribonucleic acid

I never thought about the possibility to extract DNA. I was bemused and surprised when Shubin said "Extracting DNA from bodies is incredibly easy, so you can do it in your kitchen." He really well described the process of extracting DNA. I didn't try it, but I wonder if we could really see the goopy white ball(DNA) with our naked eyes.
Deoxyribonucleic acid has always been a familiar, but complicated term to me, because I always hear and generally know what it is, but I never knew it well. Shubin says, "you can actually decipher the history of virtually any part of our body." I already know that DNA is fantastic, but if I really think about it's perfectness, I found myself surprised.
I like the way how Shubin mentions about selling home. I do 100% agree on the effect of bread baking smell, because it is true that people get both physically and psychologically when they smell something delighting to their olfactory scent.
Finally, I wonder if scientists can discover a way to revive the useless genes that are left over by ancestors, because I do really want to have a tail!