Cilia and flagellae can help propel an organism through its surroundings, or propel food oxygen into the organism. This video examines the function of cilia and flagellae in a variety of organisms.
Jefferson, Coolidge, Hoover, Reagan: If the American national identity is less a condition than an idea, no one is better positioned to express it than the president. "The vision thing" is an...
America's leader for nearly three decades, President Franklin Delano Roosevelt, dies, leaving Harry Truman in command. Victory in Europe is celebrated in glorious fashion, but war rages on in...
Are some crimes too horrible to forgive?Growing up on the Kansas prairie, Samantha Martin cherished two desires: to love God and marry her childhood sweetheart. But the War between the States took...
Move over, Wiggles! Everyone's favorite TV mom is back with a brand-new sing-along-fun music video adventure! Join Roseanne Barr as she sings old favorites and awesome new tunes featuring a blend of...
Mortimer Adler considers the philosophical problems of "what makes a human life good--what makes it worth living and what we must do, not merely to live, but to live well.
How does memory function? Who creates history? Whether commemorative, critical or irreverent, the artists in episode two - Susan Rothenberg, Mike Kelley, Hiroshi Sugimoto and Josiah McElheny - delve...
In "Superpeople," see incredible human feats, from holding one's breath for seven-and-a-half minutes to memorizing a series of 500 random numbers. From extreme deep diving to prolonged space travel,...
The author of such innovative works as "The Iceman Cometh" and "Long Day's Journey Into Night," Nobel and Pulitzer Prize-winning playwright, Eugene O’Neill wrote 20 long plays in fewer than 25...
