There's a good chance that many of you watching right now have a dog somewhere nearby. But what do you actually know about where dogs come from. You're probably aware they evolved from wolves, but how and when.It turns out much of that is still a mystery. There are some intriguing clues, however, that have been discovered in the DNA of dogs and wolves. Clues that just might give us a better understanding of how they and we evolved.You've heard of survival of the fittest, but a scientist at Duke University s ...

[Music] Why do we dance. Well, it depends on who you ask. For some, it's a hobby or it's a sport. For me and my friends, it's our weekend tradition. And for others, it's an actual cultural tradition.But for all of us, it's actually human instinct. Because human evolution is a fascinating journey. It's full of surprising quirks and continuities.Many of the things that we do today, mostly without thought, is actually evidence of our ancestors lives. There's this idea that dance must have truly played a signif ...