What Do Talking Apes Really Tell Us?
The strange, disturbing world of Koko the gorilla and Kanzi the bonobo.
“I Sensed That Many Had Never Told Their Story to an Outsider”The story behind “What Do Talking Apes Really Tell Us.”
The Best (and Worst) Ways to Avoid Lightning StrikesLying on the ground? Seeking shelter in a car? What about the “30/30” rule?
The Power of TreesThe U.S. Forest Service wants to prove the immediate, measurable effects of tree loss on human health.
Why Do American Schizophrenics Hear Threatening Voices? Ghanaian and Indian schizophrenics often don't.
What’s Heavier: 1 Pound of Feathers or 1 Pound of Lead?A classic gotcha riddle may be more complicated than it seems.
Slate Voice: “Does This Make Me Sound Insecure?”Listen to Katy Waldman read her most popular article from the month of July.
Is Religion Good for Children?Secular children differ in happiness, mental health, and their grasp of reality.
What Is the Bloop?A sound recorded deep in the Pacific has been a lively mystery for years—even if it’s probably been solved.
How to Use More Than 10 Percent of Your BrainBe alive. Lucy perpetuates a strangely persistent myth.
AIDS Experts Killed in Plane CrashMissile strike from eastern Ukraine killed delegates flying to International AIDS Conference.
A Memorable FlightHow people with and without post-traumatic stress disorder recall 25 minutes of terror.
White People Are Fine With Laws That Harm BlacksThe futility of fighting criminal justice racism with statistics.
Why Do Scientists Commit Fraud?The latest stem cell research misconduct investigation ends in tragedy.
Killing in the Name of CleanlinessThe shocking stupidity and brutality of Nazi doctors’ response to typhus.
Why Psychologists’ Food Fight Matters“Important findings” haven’t been replicated, and science may have to change its ways.
The Truth About Elevator DeathsThey are vanishingly rare—but that doesn’t stop people from debating the best way to survive a sudden fall.
How Far Should We Go to Save Our Pets?Veterinarians with wondrous new treatments face an ethical dilemma.
Myths and Misreporting About Malaysia Airlines Flight 17Did a Dutch cyclist really almost take both doomed flights?
Don’t Feel Sorry for Robert F. Kennedy Jr.A Washington Post profile portrays him as passionate and sympathetic. He’s actually obsessive and dangerous.
What’s Wrong With Sentimentality?While critics sneer, scientists try to make sense of our love of weepy books and movies.
The Magnified View of a Rotifer in the Fight of Its Life As featured in Nikon's Small World in Motion competition.