The obvious answer to the old “feathers or lead?” riddle is that they weigh the same, but clever research on the subject offers a more complicated view. Don’t count out so-called “dynamical symmetry.”
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.