Some people with anxiety find horror movies helpful. The films can focus their minds in a controlled environment that they can overcome. Crazytang/Getty Images hide caption
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evolutionary psychology
A new study examines whether or not dogs are able to understand the difference between a human's mistake versus active intent to withhold a treat. Os Tartarouchos/Getty Images hide caption
Your Dog May Know If You've Done Something On Purpose, Or Just Screwed Up
Software engineer Adriana Kaplan outside her home in South Philadelphia. Kimberly Paynter/WHYY hide caption
Without Clear Pandemic Rules, People Take On More Risks As Fear And Vigilance Wane
Faced with a rat trapped in a restrainer, a free rat opens the trap's door to liberate the trapped animal (while stepping on its head — "very rat-ish behavior," says University of Chicago neurobiologist Peggy Mason). David Christopher/University of Chicago hide caption
To Come To The Rescue Or Not? Rats, Like People, Take Cues From Bystanders
A chimpanzee hugs her newborn at Burgers' Zoo in Arnhem, Netherlands, in 2010. Over the course of his long career, primatologist Frans de Waal has become convinced that primates and other animals express emotions similar to human emotions. AFP/Getty Images hide caption
Sex, Empathy, Jealousy: How Emotions And Behavior Of Other Primates Mirror Our Own
From Fruit Fly To Stink Eye: Searching For Anger's Animal Roots
Friend or foe? A California two-spot octopus (Octopus bimaculoides) gives observers the eye at the Marine Biological Laboratory in Woods Hole, Mass. Tom Kleindinst/Marine Biological Laboratory hide caption
Octopuses Get Strangely Cuddly On The Mood Drug Ecstasy
A 17-year-old male bonobo eats while his son watches in the Lola Ya Bonobo Sanctuary, Democratic Republic of Congo. Fiona Rogers/Getty Images hide caption
What's Mine Is Yours, Sort Of: Bonobos And The Tricky Evolutionary Roots Of Sharing
'Gross Anatomy' Turns Humor On Taboos About The Female Body
Muslim women praying together in the Istiqlal mosque in Jakarta, Indonesia. Afriadi Hikmal/Getty Images hide caption
A young man records a voice note. A new dating app called Waving lets you swipe right on someone based only off short voice profiles. Getty Images hide caption
Can You Choose A Romantic Partner Just By Their Voice? A Dating App Thinks So
Rats and people may rely on "metamemory" in a variety of different ways, scientists say. For a rat, it's likely about knowing whether you remember that predator in the distance; for people, knowing what we don't know helps us navigate social interactions. fotografixx/Getty Images/iStockphoto hide caption
From Rats To Humans, A Brain Knows When It Can't Remember
Lily chases sheep for the first time in her shepherd-mix life, at Raspberry Ridge Sheep Farm in eastern Pennsylvania. Several times a year the farm invites dogs for "herding instinct tests." Fred Mogul/WNYC hide caption
Male and female tungara frogs. Among these frogs, the guy with the best call usually wins the gal — except when you throw a third-choice loser into the mix. Alexander T. Baugh/Encyclopedia of Life hide caption
Froggy Went A-Courtin', But Lady Frogs Chose Second-Best Guy Instead
There is no such thing as a free lunch. iStockphoto hide caption
Contagious Aphrodisiac? Virus Makes Crickets Have More Sex
More than just hungry or wet? George Marks/Getty Images hide caption