This week, we learned …
The long black scar in this image of the Titanic would later be crushed by an iceberg. New research suggests a coal fire caused the damage, and structurally weakened the ship.
Photograph courtesy Wikimedia. Public domain.
How was the Titanic built?
Who’s the greenest of them all?
What are rogue waves?
Darker areas indicate areas of threat hotspots driven by US consumption, based on the mix of threats exerted in each country and the mix of export goods sent to the United States for final consumption.
Map by Daniel Moran and Keiichiro Kanemoto, “Identifying species threat hotspots from global supply chains.” Nature Ecology & Evolution 1, doi:10.1038/s41559-016-0023
How far does your own consumption footprint extend?
Earth has pretty cool geology now, actually. Learn a little about the core, mantle, and crust.
Liquid water displays some anomalies when heated to around 50°Celsius (122° Fahrenheit).
Photograph by Michael Apel, courtesy Wikimedia. CC-BY-2.5
Will this impact our study of Earth’s water cycle?
As the world warms, how do we decide when a plant is native?
Maps by the Arbor Day Foundation
What is a botanical zone?
The Indus Valley Civilization, sometimes called the Harappan Civilization, was “as extraordinary as those of Mesopotamia and Egypt.” Its script, seen on these gorgeous seals, has yet to be deciphered.
Photograph by James P. Blair, National Geographic
Map the Indus Valley Civilization with MapMaker Interactive.
… why ancient Pacific mariners were the NASA of their day. Pick of the week!
How did ocean geography define the cultures of the South Pacific?
President Barack Obama is somewhere in this security motorcade in Iraq.
Photograph by Pete Souza, courtesy the White House
Why are security escorts different in different countries?
George Washington looks at a rainbow from atop Mount Rushmore, South Dakota.
Photograph Peter Essick, National Geographic
What is a rainbow?