This week, we learned …
… educational videos seem to benefit high-income students more than low-income students. Read of the week!
Use our video gallery to watch dynamic instructional strategies for using video in the classroom.
… humans are relocating water around the world.
Use our educator guide for teaching freshwater topics.
… 94% of U.S. teachers say they spend their own money on school supplies.
Take a look at ten free tools every teacher should know about.
… moss can filter arsenic out of water.

Photograph by Rebecca Hale, National Geographic
Learn how one Google Science Fair winner is working on her own water filtration system.
… Europa is erupting with water.

How does NASA go looking for life on this watery moon?
… to assume “black-skinned” Odysseus was white is to misunderstand the way ancient Greeks thought of themselves.

Image courtesy The J. Paul Getty Trust. CC-BY-4.0
… classroom design is “NOT about being pretty for Pinterest.”

Photograph by Lynn Johnson, National Geographic
What are the waypoints in a map of your classroom?
… climate change is a key factor contributing to human migration from Central America.

Photograph by Dave Yoder, National Geographic
Who are Central American migrants?
… Latin was not the only language of the Roman Empire.

Illustration by Flappiefh, courtesy Wikipedia. Public domain
How did the spread of Latin influence power in ancient Rome?
… fracking and directional drilling are threatening a web of ancient roads in the American Southwest.

Illustration by Roy Andersen, National Geographic
… sometimes hippos poop so much that all the fish die.

Photograph by Joel Sartore, National Geographic Photo Ark
Hippos can also capsize canoes on our Into the Okavango Expedition.