An iron-willed Republican senator who enjoyed his power, Taft was denied his greatest ambition: to follow in the footsteps of his father, President William Howard Taft.

Independent and enigmatic, Lewis was a union chief who was a champion of the rights of coal miners but a mystery man that few knew well.

Michelangelo is one of the most famous artists in history, but how did he manage to paint a bunch of naked dudes 60 feet in the air on the ceiling of the Sistine Chapel? Nate takes a look at the insane process of creating one of the world’s most recognizable artworks and figures out the science behind fresco painting.

Commercial space companies like Blue Origin, Virgin Galactic, and SpaceX inch closer to launching paying customers into space, a step toward space tourism.

ADVANCES IN BIOMASS, ENERGY HOME AUDIT, AND PRESERVING MEADOWLANDS

INVESTIGATING AND TESTING A WATER SURVIVAL SUIT

The political smoke still swirls around the ideological legacy of the American senator who headed the infamous communist witch hunt trials of the 1950s.

Follow the distinguished career of the citizen-of-the-world who helped create an atmosphere of peace in his years as Secretary-General of the United Nations.

Her life shaped by the myth of Camelot, the reality of her father's assassination, and her brother's death in a plane crash, Caroline Kennedy continues to serve as a scion of her illustrious family. This profile looks at the tragedies in Caroline's life and her many achievements as well, which include two books on civil liberties, another book entitled, "Profiles in Courage for Our Time," and her domestic career as a mother of three children and wife to exhibit designer Edwin Schlossberg.

This special look at the life and tragic death of John F. Kennedy Jr., includes a profile of his and his wife Carolyn's lives, and coverage of that shattering week in July 1999, when his plane was first reported missing.

The story of the small-town Kansas boy who rose to the ranks of Lieutenant in World War II where he was so severely wounded, he had to spend two years in a body cast. He eventually entered politics at the state level and worked his way up the ranks to the Senate.

Interviews with Secretary of State Colin Powell and Secretary of Defense Donald Rumsfeld highlight this in-depth profile of the U.S. Vice President. We look back at Cheney's rapid rise to prominence in Washington, D.C., his key role in the war against Iraq's Saddam Hussein, his surprise selection as George W. Bush's running mate, and the heart problems that have threatened his health.

An iron-willed Republican senator who enjoyed his power, Taft was denied his greatest ambition: to follow in the footsteps of his father, President William Howard Taft.

Independent and enigmatic, Lewis was a union chief who was a champion of the rights of coal miners but a mystery man that few knew well.

The life and times of two of New York City's most iconic mayors.

Never dreaming of becoming President, this is the man who blazed into national prominence and in the process nearly landed in the White House.

Controversy was the middle name of one of the most colorful demagogues in American politics. This is the story of the ruthless politician who went from the Louisiana backwoods to Congress.

The political smoke still swirls around the ideological legacy of the American senator who headed the infamous communist witch hunt trials of the 1950s.

Follow the distinguished career of the citizen-of-the-world who helped create an atmosphere of peace in his years as Secretary-General of the United Nations.

Her life shaped by the myth of Camelot, the reality of her father's assassination, and her brother's death in a plane crash, Caroline Kennedy continues to serve as a scion of her illustrious family. This profile looks at the tragedies in Caroline's life and her many achievements as well, which include two books on civil liberties, another book entitled, "Profiles in Courage for Our Time," and her domestic career as a mother of three children and wife to exhibit designer Edwin Schlossberg.

This special look at the life and tragic death of John F. Kennedy Jr., includes a profile of his and his wife Carolyn's lives, and coverage of that shattering week in July 1999, when his plane was first reported missing.

The story of the small-town Kansas boy who rose to the ranks of Lieutenant in World War II where he was so severely wounded, he had to spend two years in a body cast. He eventually entered politics at the state level and worked his way up the ranks to the Senate.

Interviews with Secretary of State Colin Powell and Secretary of Defense Donald Rumsfeld highlight this in-depth profile of the U.S. Vice President. We look back at Cheney's rapid rise to prominence in Washington, D.C., his key role in the war against Iraq's Saddam Hussein, his surprise selection as George W. Bush's running mate, and the heart problems that have threatened his health.

An iron-willed Republican senator who enjoyed his power, Taft was denied his greatest ambition: to follow in the footsteps of his father, President William Howard Taft.

Independent and enigmatic, Lewis was a union chief who was a champion of the rights of coal miners but a mystery man that few knew well.

The life and times of two of New York City's most iconic mayors.

Never dreaming of becoming President, this is the man who blazed into national prominence and in the process nearly landed in the White House.

Controversy was the middle name of one of the most colorful demagogues in American politics. This is the story of the ruthless politician who went from the Louisiana backwoods to Congress.

The political smoke still swirls around the ideological legacy of the American senator who headed the infamous communist witch hunt trials of the 1950s.

Follow the distinguished career of the citizen-of-the-world who helped create an atmosphere of peace in his years as Secretary-General of the United Nations.

Her life shaped by the myth of Camelot, the reality of her father's assassination, and her brother's death in a plane crash, Caroline Kennedy continues to serve as a scion of her illustrious family. This profile looks at the tragedies in Caroline's life and her many achievements as well, which include two books on civil liberties, another book entitled, "Profiles in Courage for Our Time," and her domestic career as a mother of three children and wife to exhibit designer Edwin Schlossberg.

This special look at the life and tragic death of John F. Kennedy Jr., includes a profile of his and his wife Carolyn's lives, and coverage of that shattering week in July 1999, when his plane was first reported missing.