Instructional Video7:25
Professor Dave Explains

Animal Ecology (Fauna) Part 2: Water Balance and Photoperiods

12th - Higher Ed
We've been talking about animals in the context of ecology, so let's continue and examine water balance, as well as photoperiods. How do animals regulate water intake? How do they excrete waste? How do they interact with sunlight? Let's...
Instructional Video5:21
Curated Video

Why Is It Called "Dead" Sea? Why Does Everyone Float In This Sea?

Pre-K - Higher Ed
Lying on the lowest point on the Earth, the hypersaline Dead Sea is one of the most fascinating places on this planet. People float effortlessly here and that is the major attraction of the Dead Sea. But besides this natural buoyancy,...
Instructional Video4:21
Science ABC

Biomes of the World: Oceans, Mountains, Forests, Grasslands, Deserts and More!

Pre-K - Higher Ed
Biomes are regions or landscapes of the world that are divided on the basis of climatic conditions, vegetation, and adaptation of flora and fauna. The regions with ice caps, like the Arctic, are known as Tundra, the Amazon is a tropical...