Explores the life of legendary showman Florenz Ziegfeld, from his family's conservative Chicago Musical College to his lavish and scandalous Ziegfeld Follies of the 1920s.

Inspiration can come from just about anywhere, as Nate finds out when he explores how Islamic art influenced MC Escher’s intricate geometric drawings, where Edvard Munch’s famous painting “The Scream” came from, and how Paul Klee came up with some of his best-known work.

The night sky is a time machine. The further we look out into the universe, the further back in time we reach. Most of what we see is actually dark matter and dark energy, but its nature eludes us... for the moment.

HOME ENERGY UPGRADE, SUN POWER IN HAWAII, AND ONION ENERGY

INVESTIGATING AND TESTING 17TH CENTURY WEAPONS

He had a meteoric rise to fame in the '80s, co-starring with fellow Brat Packers Molly Ringwald, Demi Moore, and Charlie Sheen in a series of popular teen movies. After scandals and controversies threatened to derail his career, Lowe got back on track and officially took his career off life support when he joined the cast of The West Wing. His role in the TV hit earned him his third and fourth Golden Globe nominations, two SAG awards, and an Emmy nomination. And his guest appearances in Brothers & Sisters was an immediate hit with viewers, helped boost ratings, and landed him a permanent cast position.

Iowa native Kutcher seems like the kind of guy who's always led a charmed life, but he's had his share of heartbreaks. His fraternal twin has cerebral palsy, he lived through a stormy home life growing up, and he was busted for burglary in high school. But things started looking up after Kutcher moved to L.A. and was cast in the sitcom, That 70s Show. He moved on to film roles like Dude, Where's My Car?, and he has produced and starred in MTV's prankfest Punk'd. His marriage to Demi Moore, 15 years older, has produced much hand wringing among his female fans, but that hasn't stopped them from flocking to his flicks.

She became a star when she was just 14 on The Facts of Life, but she quickly learned that life can be tough. This profile of Nancy McKeon follows the popular performer's career through all its triumphs and disappointments. McKeon had a difficult transition from child star to adult actor, struggled with two sitcom failures, and just missed being cast as Monica Geller on Friends. But strong performances in TV movies helped keep her in the public's eye, and she enjoyed a four-year run on The Division. Now married with two children, McKeon plays Demi Lovato's mom on the popular Sonny with a Chance.

Profile of the "Baywatch" babe and reality show star who's made the leap from sex kitten to pop culture icon. We'll recall the wild events that have kept Carmen's name in the headlines.

A behind-the-scenes look at the appeal and staying power of the TV soap opera that has kept devoted fans glued to the tube since 1970. Includes a look at how an episode goes from the idea stage to the sound stage and out to one-and-a-half million viewers.

Explores the life of legendary showman Florenz Ziegfeld, from his family's conservative Chicago Musical College to his lavish and scandalous Ziegfeld Follies of the 1920s.

Career of the legendary choreographer who gave the world "The Pajama Game," "Sweet Charity," and "Cabaret." But behind the scenes, Fosse was a tortured genius who had a grim fascination with death.

The veteran television actor and Montana native spent 20 plus years on prime-time television as the star of Dallas, Man From Atlantis, and Step By Step. A devoted family man, Duffy has been successfully married for more than 30 years with two sons. A loyal Buddhist, his beliefs helped him persevere through the tragic murder of his parents at their Montana tavern in 1986. Today, Duffy continues to work on the London stage, in television movies, and as a voice on animated programming.

He had a meteoric rise to fame in the '80s, co-starring with fellow Brat Packers Molly Ringwald, Demi Moore, and Charlie Sheen in a series of popular teen movies. After scandals and controversies threatened to derail his career, Lowe got back on track and officially took his career off life support when he joined the cast of The West Wing. His role in the TV hit earned him his third and fourth Golden Globe nominations, two SAG awards, and an Emmy nomination. And his guest appearances in Brothers & Sisters was an immediate hit with viewers, helped boost ratings, and landed him a permanent cast position.

Iowa native Kutcher seems like the kind of guy who's always led a charmed life, but he's had his share of heartbreaks. His fraternal twin has cerebral palsy, he lived through a stormy home life growing up, and he was busted for burglary in high school. But things started looking up after Kutcher moved to L.A. and was cast in the sitcom, That 70s Show. He moved on to film roles like Dude, Where's My Car?, and he has produced and starred in MTV's prankfest Punk'd. His marriage to Demi Moore, 15 years older, has produced much hand wringing among his female fans, but that hasn't stopped them from flocking to his flicks.

She became a star when she was just 14 on The Facts of Life, but she quickly learned that life can be tough. This profile of Nancy McKeon follows the popular performer's career through all its triumphs and disappointments. McKeon had a difficult transition from child star to adult actor, struggled with two sitcom failures, and just missed being cast as Monica Geller on Friends. But strong performances in TV movies helped keep her in the public's eye, and she enjoyed a four-year run on The Division. Now married with two children, McKeon plays Demi Lovato's mom on the popular Sonny with a Chance.

Profile of the "Baywatch" babe and reality show star who's made the leap from sex kitten to pop culture icon. We'll recall the wild events that have kept Carmen's name in the headlines.

A behind-the-scenes look at the appeal and staying power of the TV soap opera that has kept devoted fans glued to the tube since 1970. Includes a look at how an episode goes from the idea stage to the sound stage and out to one-and-a-half million viewers.

Explores the life of legendary showman Florenz Ziegfeld, from his family's conservative Chicago Musical College to his lavish and scandalous Ziegfeld Follies of the 1920s.

Career of the legendary choreographer who gave the world "The Pajama Game," "Sweet Charity," and "Cabaret." But behind the scenes, Fosse was a tortured genius who had a grim fascination with death.

The veteran television actor and Montana native spent 20 plus years on prime-time television as the star of Dallas, Man From Atlantis, and Step By Step. A devoted family man, Duffy has been successfully married for more than 30 years with two sons. A loyal Buddhist, his beliefs helped him persevere through the tragic murder of his parents at their Montana tavern in 1986. Today, Duffy continues to work on the London stage, in television movies, and as a voice on animated programming.

He had a meteoric rise to fame in the '80s, co-starring with fellow Brat Packers Molly Ringwald, Demi Moore, and Charlie Sheen in a series of popular teen movies. After scandals and controversies threatened to derail his career, Lowe got back on track and officially took his career off life support when he joined the cast of The West Wing. His role in the TV hit earned him his third and fourth Golden Globe nominations, two SAG awards, and an Emmy nomination. And his guest appearances in Brothers & Sisters was an immediate hit with viewers, helped boost ratings, and landed him a permanent cast position.

Iowa native Kutcher seems like the kind of guy who's always led a charmed life, but he's had his share of heartbreaks. His fraternal twin has cerebral palsy, he lived through a stormy home life growing up, and he was busted for burglary in high school. But things started looking up after Kutcher moved to L.A. and was cast in the sitcom, That 70s Show. He moved on to film roles like Dude, Where's My Car?, and he has produced and starred in MTV's prankfest Punk'd. His marriage to Demi Moore, 15 years older, has produced much hand wringing among his female fans, but that hasn't stopped them from flocking to his flicks.

She became a star when she was just 14 on The Facts of Life, but she quickly learned that life can be tough. This profile of Nancy McKeon follows the popular performer's career through all its triumphs and disappointments. McKeon had a difficult transition from child star to adult actor, struggled with two sitcom failures, and just missed being cast as Monica Geller on Friends. But strong performances in TV movies helped keep her in the public's eye, and she enjoyed a four-year run on The Division. Now married with two children, McKeon plays Demi Lovato's mom on the popular Sonny with a Chance.