Nice to meet you. I'm Oprah.

Hi, I'm Erin. I know you are.

Oh, hi, Erin.

Pelican Bay Prison is the most notorious state penitentiary in America.

Known as a Supermax, some prisoners are cut off from nearly all human contact.

But what has been accepted prison practice is starting to change across America.

Your mind becomes diseased and you start to accept the abnormal as normal.

You must know that there are a lot of people who do not care that you're in isolation, five years, 10 years,

24 years, because you've got it coming.

Every year NASA gives us a gift, dramatic new discoveries from our universe provided by the Hubble

telescope. From the infinite black canvas, we get an awe-inspiring light show of stars,

deep space, the stuff of creation, and things we have never seen before from our very own solar system.

I believe Hubble has been the single most transformative scientific instrument that we've

ever built.

A team in South Africa have engineered a bold way to help one of the continent's most endangered

animals.

And when we heard about it, we had to see it for ourselves.

Take one 1,400-pound black rhino.

A young female?

Two veterinarians, three game capture specialists,

a 52-year-old helicopter,

and you get this.

...