This week, we learned …
… why orcas are thriving in the waters off Alaska, but dying in the Puget Sound. Looks to be the start of a great series from the Seattle Times.

Photograph by Paul Nicklen, National Geographic
Learn why the whales are running out of salmon, and running out of time.
… where in the world the U.S. military has a presence.

Use our resources to learn more about modern military history.
… companies may be overselling “personalized learning.”

Illustration by Jean Marc Cote, courtesy Wikimedia. Public domain
Learn why one educator thinks globalized learning is personalized learning.
… North and South Korea are teaming up to fight infectious disease.

Map by National Geographic Maps
When else have the Koreas teamed up?
… one of the world’s largest impact craters was discovered beneath Greenland’s ice sheet.
What is an impact crater, and what other kind of craters are there?
… a Brazilian highway is among the deadliest in the world for animals.

Photograph by Steve Winter, National Geographic
Would you build a road through the Pantanal? Use our lesson plan to analyze the impact.
… the South Pole has a soggy bottom.

Photograph of Antarctic ice by Maria Stenzel, National Geographic
… to adapt to a changing climate, Kyrgyzstan is reviving its nomadic past.
Photograph of Kyrgyz herders by Matthieu Paley, National Geographic
… solar storms detonated U.S. ocean mines during the Vietnam War.

Illustration by NASA
What are solar storms? Use our lesson to find out.
… climate is changing the ocean, and everything in it.

Map by National Geographic
What are some of the ocean impacts of climate change?
… we’ll be making wishes on the shooting stars of the Leonid meteor shower this weekend.

Photographs by NASA/Robert P. Moreno Jr.