Psychology
Discover facts about psychology. Small discoveries that change the way you see familiar things.
Psychology
Why petting a dog calms your body
A dog’s soft fur and predictable, repetitive movements give your attention something gentle to settle on. That soothing touch and social connection can help…
Discover more
Why natural patterns may ease stress
A wall of tiny alerts keeps asking your attention to switch; a tree’s branching limbs don’t. Natural patterns offer complexity without the same barrage of…
Discover more
Why singing in the shower may ease anxiety
Singing in the shower gives your attention a job: follow the tune, shape the words, keep the rhythm. That can interrupt a loop of anxious thoughts, while…
Discover more
Why bad news feels better before good news
When bad news comes first, the good news that follows can change the emotional ending of the whole conversation. Relief and contrast make the second piece…
Discover more
Holding hands can make pain feel weaker
A hand squeeze doesn’t repair an injury, but it can change the experience of having one. Feeling connected to someone can calm the sense of threat that…
Discover more
That random check-in may mean more than you think
A random check-in interrupts the assumption that you have to be the one keeping a relationship alive. Someone noticed the gap and made the first move to close…
Discover more
STACKY FOR IPHONEA bigger world.
One discovery
at a time.
Keep discovering with Stacky. Interesting facts in an app that is always within reach.
Writing down good things can change what you notice next
Gratitude exercises ask people to deliberately retrieve moments they might otherwise overlook. Trials have found improvements in reported well-being in some…
Discover more
Why power can make risks look smaller
When you have authority, success can start to look like proof that you can steer whatever happens next. That confidence makes hazards easier to discount and…
Discover more
Brain hemispheres strictly divide specialized tasks
The brain divides some work unevenly between its hemispheres: language processing is often more left-sided, while tasks such as directing attention across…
Discover more
Your vocal cords move when you read silently
Silent reading often recruits the machinery of speech. Your brain quietly prepares the sounds of words, and the muscles involved in speaking can make tiny…
Discover more
Consonants strictly require obstructing respiratory airflow
Say “mmm,” “t,” and “f”: each consonant changes the airflow with the lips, tongue, or teeth. Some sounds stop the air briefly; others squeeze it into a narrow…
Discover more
Deconstructing spoken words isolates basic phonemes
When someone says a word, its basic sounds overlap and blend rather than arriving as separate beads. Breaking the word into phonemes means mentally teasing…
Discover more
Why some people talk fluently in their sleep
Talking uses well-practiced speech patterns, and sleep doesn’t always silence them. The brain can let familiar phrases run while the systems that check, edit,…
Discover more
The mark 8 has to be learned before it means eight
Nothing in the shape contains eight objects. Reading it as a quantity depends on a learned link between a visual symbol, a word, and a number. A familiar…
Discover more
Not everyone thinks in an inner voice
Some minds do their thinking without a running voice-over. They may use images, spatial patterns, or a wordless sense of what comes next; language is one tool…
Discover more
When speech breaks but understanding remains
A person can know exactly what you said and still struggle to get a sentence out. Language comprehension and speech production are distinct enough that one…
Discover more
Sunlight keeps your body clock on time
Morning light reaches cells in your eyes that help set your body’s internal clock. That signal tells the clock what time of day it is, helping coordinate when…
Discover more
When one brain becomes two
In split-brain patients, surgery has severed the main connection between the brain’s two hemispheres, so information one side receives may not reach the…
Discover more
When twins invent a language of their own
Two young twins can become each other’s most frequent conversation partner, borrowing sounds and inventing shortcuts adults never learn. The result can feel…
Discover more
A rice-sized brain region runs your body clock
Your internal clock has a physical hub: the suprachiasmatic nucleus, a small region in the hypothalamus about the size of a grain of rice. Light reaching it…
Discover more
Target distance mathematically dictates pointing speed
The farther away the target, the more time your hand needs to get there accurately. This relationship is captured by Fitts’s law: reaching for a distant…
Discover more
Most people hear a spiky shape in the word Kiki
Say “Kiki” and “Bouba” aloud: Kiki sounds sharp, and people tend to match it with a spiky shape. The crisp consonants and high, clipped sound seem to fit…
Discover more
Why your eyes cross when you focus up close
Bring a phone close to your face and both eyes turn inward to keep it in focus. The closer the target, the more they have to converge; that inward angle can…
Discover more
Syllable stress alters the entire definition of words
Say “PREsent” and you may mean a gift; say “preSENT” and you may mean to show something. The sounds are nearly the same, but stress tells the listener which…
Discover more