The extra candles on the birthday cake, the little lines you notice in the mirror ... aging doesn't always feel good. But remember, age also brings wisdom and balance. Watch these reminders of the benefits that come with age.
Why do we love our favorite stories? Do they need a beginning, middle and end, and a character who changes by the conclusion? Masters of storytelling explore new answers to age-old questions of the craft.
Humanity's increasingly permanent mark on the planet has spurred a new geological age in earth's history: the Anthropocene. Learn how we got to this point -- and what our footprint means to the future of the planet.
The age of bioengineering is upon us, with scientists' understanding of how to engineer cells, tissues and organs improving at a rapid pace. Here, how this could affect the future of our physical bodies.
Pearl Arredondo worked her way up from humble East L.A. beginnings, and as a high school teacher she now inspires other kids to do the same. Here are the talks that she thinks capture that spirit of drive and determination.