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
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...
Howard Hughes Medical Institute
Natural Selection of Lactose Tolerance
Different regions of the world have greatly varying rates of lactose tolerance. Learn why this mutation spreads in some populations and not others with an educational video. Viewers consider the relationship with natural selection in...
Howard Hughes Medical Institute
Coral Bleaching
What is coral bleaching? Tackle a trendy topic with a narrated animation. Through a combination of video and illustration, the narrator introduces viewers to a coral reef, then goes inside a coral polyp to show its symbiotic relationship...