Speaking of ice on Mars, the folks with the Mars Reconnaissance Orbiter made a cool video talking about new low-latitude craters exposing water ice beneath the Martian surface:
You can watch more HiRISE videos at the MRO video gallery. Lots of cool stuff there!
Tip o' the dry ice crater to the HiRISE Twitter feed.
TODAY IN SLATE
The Ebola Story
How our minds build narratives out of disaster.
The Budget Disaster That Completely Sabotaged the WHO’s Response to Ebola
PowerPoint Is the Worst, and Now It’s the Latest Way to Hack Into Your Computer
The Shooting Tragedies That Forged Canada’s Gun Politics
A Highly Unscientific Ranking of Crazy-Old German Beers
Welcome to 13th Grade!
Some high schools are offering a fifth year. That’s a great idea.
The Actual World
“Mount Thoreau” and the naming of things in the wilderness.