Curiosity NOW

Jimmy Donaldson, also known as MrBeast, is the world's first digital philanthropist; after becoming obsessed with YouTube at a young age, Jimmy built a viral video empire based on the joy he gets from helping others.

Actress Kristen Bell recounts how her nurturing nature and her good works, such as co-founding No Kid Hungry, was sparked when she was age 19 and helped deliver two babies during a missionary trip to a clinic in Brazil.

Shaquille O'Neal, who went from being poor and bullied to NBA stardom, reveals how his stepfather taught him the valuable lesson that "true pressure is not knowing where your next meal is coming from.".

Actors/spouses Samuel and LaTanya Jackson have fought for civil rights around the globe, but their greatest satisfaction comes from handwritten thank you notes from children they have supplied with books.

Inspired by his mother to be "of service," LeVar Burton entered the seminary at 13 years old; after deciding the Church didn't have the answers to his life questions, he changed his focus to theater arts and became known for Roots and Star Trek.

Joe Namath grew up in Beaver Falls, Pennsylvania, near Pittsburgh. After his parents' divorce, Joe turned to sports; he was propelled into sports stardom in college and professional football earning the nickname Broadway Joe.

Jimmy Donaldson, also known as MrBeast, is the world's first digital philanthropist; after becoming obsessed with YouTube at a young age, Jimmy built a viral video empire based on the joy he gets from helping others.

Saber-tooths rule the Pleistocene Era but the arrival of the new cats, early snow leopards, cheetahs and jaguars, mark a turning point in the evolutionary track.

The era of the sabretooth is over and the biggest big cats ever, the lion and the tiger, become the kings of their respective habitats.

Changes the planet has undergone affects big cats, from the almost complete disappearance of American wildlife to the rise of man; threats to big cats' survival.

A miraculous mantle envelops the entire planet - a thin skin of gasses called 'air'. Without it, there would be no life or weather, no habitable conditions, or protection from lethal ultraviolet radiation or meteorites from outer space.

It's the solid crust of our planet, the perfect element in which to record the stories of deep time and of lifetimes. Change and progression is the way of earth. Air and water turn solid rock into soil.

How the flow of water has the power to shape all inhabitants on Earth, produces climate-changing weather and supporting species, from the largest whales to microscopic plankton.

Saber-tooths rule the Pleistocene Era but the arrival of the new cats, early snow leopards, cheetahs and jaguars, mark a turning point in the evolutionary track.

The era of the sabretooth is over and the biggest big cats ever, the lion and the tiger, become the kings of their respective habitats.

Changes the planet has undergone affects big cats, from the almost complete disappearance of American wildlife to the rise of man; threats to big cats' survival.

A miraculous mantle envelops the entire planet - a thin skin of gasses called 'air'. Without it, there would be no life or weather, no habitable conditions, or protection from lethal ultraviolet radiation or meteorites from outer space.

It's the solid crust of our planet, the perfect element in which to record the stories of deep time and of lifetimes. Change and progression is the way of earth. Air and water turn solid rock into soil.

How the flow of water has the power to shape all inhabitants on Earth, produces climate-changing weather and supporting species, from the largest whales to microscopic plankton.

Saber-tooths rule the Pleistocene Era but the arrival of the new cats, early snow leopards, cheetahs and jaguars, mark a turning point in the evolutionary track.

The era of the sabretooth is over and the biggest big cats ever, the lion and the tiger, become the kings of their respective habitats.

Changes the planet has undergone affects big cats, from the almost complete disappearance of American wildlife to the rise of man; threats to big cats' survival.

A miraculous mantle envelops the entire planet - a thin skin of gasses called 'air'. Without it, there would be no life or weather, no habitable conditions, or protection from lethal ultraviolet radiation or meteorites from outer space.

It's the solid crust of our planet, the perfect element in which to record the stories of deep time and of lifetimes. Change and progression is the way of earth. Air and water turn solid rock into soil.

How the flow of water has the power to shape all inhabitants on Earth, produces climate-changing weather and supporting species, from the largest whales to microscopic plankton.

Saber-tooths rule the Pleistocene Era but the arrival of the new cats, early snow leopards, cheetahs and jaguars, mark a turning point in the evolutionary track.

The era of the sabretooth is over and the biggest big cats ever, the lion and the tiger, become the kings of their respective habitats.

Changes the planet has undergone affects big cats, from the almost complete disappearance of American wildlife to the rise of man; threats to big cats' survival.