Scientists know aging occurs as cells are damaged throughout life, but new research published in Nature shows that breakdowns in the mitochondrial DNA of lab mice appears to play an important part in the process apart from environmental stresses.
The Implacable Bomber During a day of grisly testimony, Dzhokhar Tsarnaev appears unperturbed.
Ringling Brothers Says It Will Stop Using Elephants in Its Circus Act After Years of Animal-Abuse Allegations
What We Like Right Now Our favorite picks for the week of March 2, curated by Slate writers and editors.
Unbreakable Kimmy Schmidt Netflix’s new Tina Fey comedy may be the new 30 Rock—with an even bigger heart.
If You Thought the Net Neutrality Debate Was Resolved, You Were Impressively Optimistic