Logic is intellectual self-defense against such assaults on reason and also a method of quality control for checking the validity of your own views. But beyond these very practical benefits, informal logic—the kind we apply in daily life—is the gateway to an elegant and fascinating branch of philosophy known as formal logic, which is philosophy’s equivalent to calculus. Formal logic is a breathtakingly versatile tool. Much like a Swiss army...

Photographs and text explore the characteristics, habitats, and varieties of fishes and other undersea life.

This program covers the important topic of Integration by Partial Fractions in Calculus. We begin by discussing what a Partial Fraction is, how it can be used to solve integrals, and why it is a central topic in Calculus. Next, we solve several practical calculus problems that give students practice with Integration by Partial Fractions. The entire lesson is taught by working example problems beginning with the easier ones and gradually progressing...

Physics is frequently one of the hardest subjects for students to tackle because it is a combination of two of the toughest subjects for most students: Math and Word Problems. What sets this series apart from other physics teaching tools is that the concepts are taught entirely through step-by step example problems of increasing difficulty. It works by introducing each new concept in an easy to understand way and using example problems that are worked...

Provides an overview of volcanoes and earthquakes and the aftermath of their eruptions.

Positive Psychology is a relatively new branch of psychology as introduced in 1998 by Professor Martin Seligman, but it has quickly developed a large following amongst practitioners around the globe. It concentrates on studying and promoting positive human functioning, and developing effective interventions that help to support thriving individuals, families, and communities. Positive psychology aims to go beyond just treating mental illness, and...

Provides an overview of insects, using macrophotography and 3-D graphics. Zoom in on a world of creatures that are industrious, sociable, and environmentally useful, but that are nevertheless avoided and ignored. Safely examine the wonders of the insect through macrophotography and startling 3-D graphics that reveal the true importance of these amazing life forms.

"Images accompany information about Maryland. The combination of high-interest subject matter and narrative text is intended for students in grades 3 through 8"--Provided by publisher.

"Images accompany information about Georgia. The combination of high-interest subject matter and narrative text is intended for students in grades 3 through 8"--Provided by publisher.

". . . images accompany information about Nebraska. The combination of high-interest subject matter and narrative text is intended for students in grades 3 through 8"--Provided by publisher.