How do we know what we know? Examine the asker of this, and many other questions, during the 14th installment in a 15-part History of Science video series. The narrator explains the important contributions made by Galileo, Bacon, and...

Sword duels, religious unrest, war—who says science is boring? Aspiring astronomers discover fascinating facts about the famous scientists that dared challenge the accepted model of the solar system in the 13th video of a 16-part History...

When did biology become a proper science? Travel back in time to the evolution of natural history during part 19 in an ongoing History of Science series. Pupils discover early pioneers in the study of plants and animals, the birth of...

Not quite a star, not quite a planet ... what are brown dwarfs? Young astronomers learn the peculiarities of these heavenly bodies through a short video. The narrator explains the characteristics of brown dwarfs and the different types....

Twinkle, twinkle little star(s)? Many of the stars above us are not alone! The narrator in the video explains the delicate balance present in binary and multiple star systems. Pupils learn about stars that orbit one another—and even...

Who was Sir Newton and why are his laws so important today? Young scientists find the answer to this question as they explore Newton's Laws through the dynamic video segment. Pupils take part in a discussion and piece together the...

Desalination requires around two gallons of sea water to make one gallon of fresh water—that's quite a ratio! Viewers consider the pros and cons of desalination as one option to providing fresh water. They learn about two different...

Pop! Does your class know that bubbles help us understand our planet, molecular structure, and more? The video teaches how to create colorful vortices on a bubble using basic equipment. Then it explains other interesting ways scientists...

Consider the different types of foods space explorers can eat. Watch how three kids used the scientific method to learn how a coconut is affected by outer space.