Biography: Mae Jemison

Naomi Ekperigin explores the life of America's first known serial killer, H.H. Holmes, and his infamous "murder hotel" in Chicago.

Naomi Ekperigin talks about the Zodiac killer and the many theories surrounding his real identity.

Naomi Ekperigin explores about the life of philosopher and mathematician Blaise Pascal, as well as the wager and triangle that bear his name.

Naomi Ekperigin talks about Alan Turing's accomplishments in computing during World War II, his conviction for "gross indecency," and his suicide at the age of 41.

Jacqui Rossi explores the life of Mary McLeod Bethune and her devotion to the education and advancement of African Americans.

Naomi Ekperigin examines Grace Hopper's military service and contributions to the world of computing.

Naomi Ekperigin shares some little-known facts about Elon Musk.

Naomi Ekperigin talks about John du Pont's strange, wealthy upbringing and his murder of wrestler Dave Schultz.

Naomi Ekperigin talks about chemist Rosalind Franklin's contribution to the discovery of the shape of DNA.