Figure Skating Jumps, Explained. We all become experts for two weeks every four years, so we might need to brush up on what's happening on the ice.

*

Thank These Master Alchemists for the Magic of Alcohol. Distilled spirits are a product of the Islamic Golden Age.

*

Meet the Women Who Led the Klondike Gold Rush. The northern frontier enticed those looking for riches, freedom, and adventure.

*

The Story of Honest Abe’s Family Tree. What happened to President Lincoln's descendants?

*

Why Do We Need to Sleep? While we still don't know the answer, a lab doing pure sleep research has learned a lot about the process.

*

What Kurt Vonnegut Can Teach Us About Coping With the Internet. Our online footprints exist forever, like time-traveling aliens.

*

Conjoined Twins Abby and Brittany Hensel are Now Fifth Grade Math Teachers. While students may expect two different perspectives, the sisters are perfectly in sync.

*

9 Pre-Lenten Treats from Around the World. Even if you don't observe Lent, Shrove Tuesday is a great day for indulging in traditionally rich sweets.