Psychology

The team hypothesized that works published during the so-called “good old days” would be more uplifting than those penned during times of hardship

What Millions of Books Reveal About 200 Years of Happiness

Researchers analyzed eight million texts to gauge how lifespan, warfare and the economy affect national well-being

Soldiers take a psychological test (the exact type of examination is unclear) in Camp Lee in Virginia in November 1917, the year the United States entered World War I and Woodworth first developed his test.

The First Personality Test Was Developed During World War I

Long before online quizzes and Myers-Briggs, Robert Woodworth’s “Psychoneurotic Inventory” tried to assess recruits' susceptibility to shell shock

New Study Suggests Leonardo da Vinci Had A.D.H.D.

The master painter had difficulties with procrastination, finishing projects and staying on task his entire life

Moving forward, the researchers hope to study how paper wasps use transitive inference in social interactions

Wasps Are the First Invertebrates to Pass This Basic Logic Test

New research suggests paper wasps are capable of transitive inference, a form of logic used to infer unknown relationships on the basis of known ones

To some, beets' soil-like smell is so strong that eating the vegetable holds the same appeal as dining on a chunk of dirt.

New Study Reveals How One Person’s ‘Smellscape’ Can Differ From Another’s

A single genetic mutation could determine whether you perceive beets’ soil-like smell, whiskey’s smokiness and lily of the valley’s sweetness

At nearly 91, Dr. Ruth is still committed to the cause

Dr. Ruth Changed the Way America Talked About Sex

A new documentary chronicles the revolution Ruth Westheimer brought to the air

A new study looks at the role “pro-social” religions play in fostering large-scale societies

Which Came First, Vengeful Gods or Complex Civilizations?

A new study pushes back against the hypothesis that moralizing gods were necessary to keep large societies civil

Around 20 percent of the time, the bears returned a playmate’s expression within one second of seeing it

Sun Bears Mimic Each Other’s Facial Expressions to Communicate

Previously, precise facial mimicry has only been observed in humans and gorillas

Due to their genetic and physiological similarities to humans, lab rodents have become the cornerstone of animal research.

The History of the Lab Rat Is Full of Scientific Triumphs and Ethical Quandaries

Lab rodents have been used in animal testing for more than 150 years, and the number of rodent-based studies continues to grow

Will A.I. Ever Be Smarter Than a Four-Year-Old?

Looking at how children process information may give programmers useful hints about directions for computer learning

Loss-of-Confidence Project Aims to Foster Culture of Self-Correction in the Scientific Record

Psychologists can submit a statement on how they lost confidence in one of their own findings to help end the stigma around admitting errors

'Dry January' Has Benefits All Year Long

Research suggests the alcohol-free challenge reduces consumption for months afterward

Waiting on a lie

When Do Children Give Up on Santa?

A preview of a new international study explores when kids stop believing and how, after the jig is up, it impacted them psychologically

Researchers say the shift in laugh patterns doesn't appear to be linked with any major developmental milestones

Babies Share Same Laugh Patterns as Chimpanzees

Unlike adults, who tend to laugh while exhaling, infants let giggles loose while both inhaling and exhaling

Celebrate the spookiest night of the year by participating in a "game" that lets you guide a real person's actions

This Halloween, a Social Experiment Will Allow Internet Users to Control the Actions of a Real Person

MIT Media Laboratory's BeeMe is the love child of ‘Black Mirror’ and psychologist Stanley Milgram’s notorious experiments on free will and obedience

The Average Person Can Recognize 5,000 Faces

But some participants in a recent study were able to recall as many as 10,000 faces

How Scientists Can Learn About Human Behavior From Closed-Circuit TV

While researchers used to rely on interviews and experiments, raw video reveals subtle, previously hidden reactions

Blue-and-yellow macaws are capable of blushing (left).

Like Humans, Some Birds Blush to Communicate

Blue-and-yellow macaws are capable of the feathered equivalents of facial expressions, new research shows

The couch on which Freud’s patients lay became identified with psychoanalysis itself. He shipped it to London when he left Vienna.

What Drove Sigmund Freud to Write a Scandalous Biography of Woodrow Wilson?

The founder of psychoanalysis collaborated with a junior American diplomat to lambaste the former president

Child participants doubted themselves and looked to their robot counterparts for guidance

Children Are Susceptible to Robot Peer Pressure, Study Suggests

When robots provided incorrect answers in social conformity test, children tended to follow their lead

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