If scientists could use biotechnology to bring back extinct species, should it? A thought-provoking video explores the technical and ethical considerations of this question as part of a larger biology playlist. It explains what would be...

Ollie is that name given to the move when a skateboarder jumps into the air with the board but without using any hands. This video breaks down each part of the ollie and the science behind it, beginning with force and torque, and...

When ants touch antennas with each other, they exchange information about which jobs they need to complete. The video focuses on the spread of the Argentine ants invading the globe. They eliminate local ants, even those that are more...

How old is Earth and how do scientists know the answer? Throughout history, many researchers, scholars, and leaders answered this question with varying degrees of accuracy. The 20th episode of Crash Course History of Science introduces...

How far back in time can scientists see? Currently, the earliest photo of the universe is the cosmic microwave background, but math models prove the universe existed long before that time. An installment from the SciShow Space series...

The Industrial Revolution changed transportation systems, social systems, and economies. Episode 21 of Crash Course History of Science examines the Industrial Revolution. From the invention and improvements to the steam engine to the...

Alan Turing helped defeat the Nazis and conceptualized the first computers, yet he was arrested for gross indecency because he was homosexual. The video explains the math genius and how his many talents were used to help society. It also...

Many of the foods pilgrims ate include foods people still eat at American Thanksgiving celebrations today. The turkey, a domesticated animal native to the Americas, often finds itself the center of attention on this holiday. Today's corn...

The first person to discover the structure of DNA is not the person who won the Nobel prize for the discovery. While we know Rosalind Franklin was the first to discover the structure of DNA, her work was shared with others who went on to...

Which makes a better name for a new species: Hermit Crab Caterpillar or Sir Leafs-a-Lot? Exploring a rainforest in Peru, the video helps viewers discover a unique species as part of a larger biology playlist. As scientists learn more...

After the first American space walk, the hatch would not close on the spacecraft. Engineers later identified the problem as cold welding. An out-of-this-world video shows scholars how this discovery led to many changes in space crafts as...

Finally, something that is better when it's broken! Computers make sequencing short pieces of genome an easy task, yet they struggle with long sequences. Learn about one method for sequencing genomes by breaking it into smaller pieces...

Animals don't read clocks, so how do they know when it is time for eating, sleeping, and other cyclical needs? Viewers watch an animation of the genes and the molecular clocks inside most mammals. They compare the difference in wild...

NASA tracks around 20,000 pieces of debris orbiting Earth. The garbage humans leave in space cause problems for space exploration, satellites, and communication. One group of scientists hopes to clean up the junk and make this planet...

Discuss the life of Carl Sagan, including his success in making science popular. A biographical video also mentions that he was not perfect and included challenges he had with family and coworkers. 

Say CHEESE! The video explains the little we know about the history of cheese, the different types of cheese, and the process of making cheese. It focuses on the importance of bacteria and mold, including how to cut the curds, and...

The first video in a five-part series on Evolution and Speciation introduces four types of evolution and addresses common misconceptions. In addition, viewers learn about topics current understanding of science does not fully explain.

Cephalopods, including squid, use their color-changing skin for both camouflage and communication. A video explains how squid camouflage themselves in the open ocean with nothing else around. It shows how they mimic the interplay of...

Who is known for his bongo playing and solving the hardest algebra problem of all time? Richard Feynman loved to solve puzzles and didn't handle being bored very well. He is known for the Feynman diagrams that explain quantum...

At one point, scale trees accounted for nearly half of the biomass in North America and Europe. An installment of a longer video series introduces these strange plants and describes their features, adaptations, and eventual demise. It...