Full AspenCat Catalog

"Millions of people visit xkcd.com each week to read Randall Munroe's iconic webcomic. His stick-figure drawings about science, technology, language, and love have a large and passionate following. Fans of xkcd ask Munroe a lot of strange questions. What if you tried to hit a baseball pitched at 90 percent the speed of light? How fast can you hit a speed bump while driving and live? If there was a robot apocalypse, how long would humanity last? In...

Contains thousands of records that span every field of human and non-human endeavors, including science and technology, animals, sports, geography, arts and entertainment, education, hobbies and pastimes, unusual rituals, and many others. Guinness World Records 2013 is crammed with new and updated records, and never-before-seen photography

Question and answer format explores the world of iguanas and other lizards, with an emphasis on iguanas.

Question and answer format explores the world of storks and other large wading birds, with an emphasis on storks.

Question and answer format explores the world of frogs and other amphibians, with an emphasis on frogs.

"Stories centuries in the making, and many centuries worth of stories, are an integral part of modern society. Whether modern or ancient, every culture has its myths. Mythology forms our understanding of our origin, history, and traditions. They tell of our heroes and deities. Myths are vehicles for understanding religion, for learning language, and for understanding society, but they can often be difficult to understand and confusing. The Handy Mythology...

Questions and answers explain the human immune system and how it works, as well as allergies and vaccines.