Perritano, John

An introduction to Austria, discussing its history, economy, government, culture and more.

Examines the myths and legends surrounding monsters that live in water, including the Kraken, Nessie, Devil Whale and more.

An introduction to the world of virtual reality, discussing its uses in medicine, travel, how it works, and more.

An introduction to the history of the Tuskegee Airmen, a group of African American fighter pilots who flew during World War II.

Examines the mysteries surrounding monsters, including Bigfoot, the Yeti, Mothman and more.

Discusses the science and technology behind movies.

Describes the invention and development of 3-D printing.

An introduction to the history of spies and espionage.

An introduction to instances of cannibalistic behavior in a variety of animals, including insects, black widow spiders, sharks, gerbils, and brown bears.

An introduction to Yosemite National Park.