Author Biography: albert11

Why do we climb them? Because they're there. Let's see how many beautiful mountains you can scale by playing this quiz.

Three clues are given for each constellation. All you have to do is match them up with the right one. Deep-sky objects are included!

Wallace Stegner once said that the national park system was America's best idea. How many of them do you know?

Lovers of knowledge, take my course for a journey through some of the greatest philosophy books ever written. Do you have what it takes to complete the course?

Launched as an incentive to excellence, the Pulitzer Prize began as a series of awards in several categories of publishing for writers that deeply reflected American life in their work. This is a quiz about books in the Fiction category.

The Paleogene was the period in Earth's history that occurred just after the dinosaurs went extinct. Come explore some of the interesting geological and biological events of the time.

Here's a quiz on places in the world that start with the letter "A". Let's see if you can Ace it.

The theory of evolution states that all organisms on Earth share a common ancestor. Here are some questions on how populations of organisms are influenced by evolution.

Congress and the president instituted more radical reforms during the Civil War era than any other period of American history. This quiz is about the judicial tumult that unfolded, and the various struggles of social groups to win their freedom.