Using a Keck telescope in Hawaii, a team in the journal Science says they’ve figured out why a strange supernova appeared so exceptional—it seems it got a little help on its way to Earth.
TODAY IN SLATE
Smash and Grab
Even When They Go to College, the Poor Sometimes Stay Poor
Republicans Want the Government to Listen to the American Public on Ebola. That’s a Horrible Idea.
The Most Ingenious Teaching Device Ever Invented
Tom Hanks Has a Short Story in The New Yorker. It’s Not Good.
Marvel’s Civil War Is a Far-Right Paranoid Fantasy
It’s also a mess. Can the movies do better?
An All-Female Mission to Mars
As a NASA guinea pig, I verified that women would be cheaper to launch than men.