Be Smart
Is Height All in Our Genes?
Humans on average are shorter than they were centuries ago. Young scholars analyze the factors that affect the height of individuals including historical trends in a video lesson. The presentation analyzes both genetic and...
California Academy of Science
What is the Environmental Impact of Feeding the World?
One in every seven people suffer from a lack of basic food. Our Hungry Planet introduces this complex issue in the second lesson of an interesting 13-part unit. It discusses the space needed to grow and raise food, the transportation of...
Be Smart
How Evolution Turned a Possum into a Wolf
Do bats really have thumbs? Explore this, and many other intriguing topics using a short video from a great science series. Viewers learn to differentiate between analogous and homologous structures, why natural selection favors traits...
Amoeba Sisters
DNA, Chromosomes, Genes, and Traits: An Intro to Heredity
Chromosomes, genes, traits ... how are they all related? A short video introduces the many factors involved in heredity. Junior geneticists explore the transfer of chromosomes from parents to offspring, the proteins created by base pair...
Fuse School
Social and Environmental Considerations of the Haber Process
Man-made processes often have surprising environmental and social impacts. The 17th installment in a series of 35 lessons explains the environmental and social factors connected to the Haber Process. The impact on the aquatic environment...
Macat
An Introduction to Jared Diamond's Guns, Germs, and Steel
Could geography really be the most logical explanation for the success rate of any given population? Jared Diamond makes his anthropological contention in his 1997 publication Guns, Germs, and Steel. A short explores his main points and...
Bozeman Science
Genotype Expression
Did you know that arctic hare have black eyelashes that protect their eyes from the sun? Scholars learn how genotypes are either expressed or not, based on environmental factors. The narrator explores how the Himalayan rabbit, the...
Crash Course Kids
Normal Stuff in Not-So-Normal Places
How do everyday materials behave in unusual environments? is the driving question of this entertaining video about the properties of matter. To answer the question, the boiling point of water is examined at ground level, at the top of...
PBS
Pbs: American Experience: Earth Days
PBS documentary, Earth Days, tells the story of the modern environmental movement that began on April 22, 1970 in the United States. Teacher resources are included. [02:00:00]