Minute Earth: Why Do Rivers Curve?

Rivers flow downhill, but why are there so many curves? The video explains how a straight river with only a tiny change begins to curve. It introduces the patterns all curving rivers follow all over the planet and other planets. 

What determines the shape of the shoreline where a river meets an ocean? The video explains many causes for delta formation, including human activities and climate change. Also included are examples from around the world and throughout...

Turn to the dark side ... of the moon, that is! Young space explorers learn why the dark side of the moon is never visible here on Earth in an animated video. The resource shows how the moon formed, its dizzying early orbiting pattern,...

Watch as water pushes against soft soil, shifting rivers into the meandering water flows that we can observe on maps from high above around the Earth. [2:56]

Watch and learn here about the course and unchanging stream of why and how rivers bend and curve. [2:56]

Find out why bats are the perfect animal to carry and spread some of the most infectious human diseases. [3:13]

Urban development can be tough on wildlife. But some plants and animals are adapting to our cities in surprising ways. [3:21]

This video provides a brief explanation of the microbes that live in the foods we love. [3:19]

Fatal epidemics such as Ebola, Hendra and SARS are all carried by bats. Learn here how it is not necessarily the fault of the bat but rather than through natural processes. [3:12]

Explore the reason for the seasons! An interactive lesson allows learners to explore the earth's rotation from the viewpoint of four cities at different latitudes. It provides descriptive information at eight points during the orbit...