Decomposers Get Energy From Dead Things

Through two investigations, life science learners determine whether or not yeast is alive. They perform tests for metabolism by providing sugar and observing if gas is produced as a byproduct. They incubate some of the sample for at...

Up to 75 percent of the stars in the Milky Way are red dwarfs, yet we can't see any from Earth. The video explains what makes red dwarf stars unique. It highlights the potential for finding aliens or a planet humans could live on once...

As part of evolution species branch off of others species. But what did the original limb look like? Young scientists discover the exciting study of the last universal common ancestor as they hear from specialists in multiple scientific...

Sal clarifies concepts covered in the Khan Academy video on Biodiversity in the Phanerozoic Eon. He explains the types of animals and plants that were the first life forms on land. Additionally, he describes what these organisms would...

As we get older, we age, our bodies and minds deteriorate, but this isn't true of all species. The video begins with why we age and what biological processes cause aging. Then it covers research on worms, mice, and other animals that...

Physics and math are closely associated in the science community. High schoolers use information in the video to determine how derivatives and calculus help them understand our local environment. They complete problems that relate to...

Scientists discover more than 15,000 new species each year. Viewers learn about seven new species discovered in cities, often right next to where people live. As part of a larger playlist, a video discusses the techniques researchers use...

Populations, communities, ecosystems, and biospheres are the subject of a video that investigates biomes and reveals that taigas, or boreal forests, are the largest biome, covering 17% of Earth's land surface. Viewers then explore how...

Evolution is a theory but thank goodness gravity is a law. What is the theory of evolution and what are the facts supporting this theory? Here's a short video that explains how fossils, homologous structures, biogeography, and direct...

The general characteristics of fungus types are presented here. Your class will love the pictures of the amazing features found on these strange living things. The internal and external structures and their functions are highlighted. By...