People wanted a trivia answer. Later, they remembered an unrelated face better too. Higher curiosity went with better memory beyond the thing they wanted to learn.
The interesting result
People remembered unrelated faces slightly better when they had been more curious about a trivia answer.
What was checked
Trivia questions created high- and low-curiosity waits. Unrelated faces appeared before the answers, followed by an unexpected face-recognition test.
What it does not prove
It does not show that curiosity guarantees memory, releases a measured burst of dopamine, or makes everything nearby memorable. The group-level advantage was modest.
Why it stays interesting
Wanting an answer is different from simply being made to wait for it.
Seeing a false claim before can make it feel a little more believable. In one study, even knowing the right answer did not completely remove the effect.
The interesting result
Seeing a false claim before can make it seem slightly more true the next time.
What was checked
People's knowledge was tested before they encountered false statements. Later truth ratings compared repeated and new claims, including false claims whose correct answers they knew.
What it does not prove
The small change in ratings does not show that repetition overrides knowledge or inevitably changes lasting beliefs or behavior.
Why it stays interesting
A familiar phrase is evidence that you have seen it before, not evidence that it is true.
In a Facebook study, liking Curly Fries was linked to higher reasoning-test scores. The strange part is what a model could predict without knowing why.
The interesting result
In a 2013 study of volunteers, a Curly Fries Facebook Like was associated with higher reasoning-test scores.
What was checked
An older Facebook volunteer study linked Like patterns to test scores and other traits. A Like for Curly Fries was among the positive associations with a reasoning-test score.
What it does not prove
The study did not explain the Curly Fries connection. A correlation in this sample does not diagnose a person, show causation, or establish what Instagram infers today.
Why it stays interesting
The personal clues in a collection of clicks can reach beyond what the pages are about.
Rereading helped students on a quick test. Days later, recall practice won—even though more study had made students feel more confident about remembering.
The interesting result
Repeated study won after five minutes; repeated retrieval won after waits of days.
What was checked
Undergraduates learned short passages through repeated study or repeated free recall, then took a final recall test after waits ranging from minutes to a week.
What it does not prove
It does not show that any quiz improves learning or that retrieval transfers equally to every task. The foundational studies used short passages and a particular final test.
Why it stays interesting
Trying to recall an idea can be part of learning it, not just checking it.
Each task can be easy on its own. Put demands close together or keep changing the rule, and an extra delay appears. Multitasking adds more than another job.
The interesting result
Closely timed signals delayed the second response; in separate tests, switching rules was slower than repeating them.
What was checked
Dual-task studies changed the interval between two signals. Separate task-switching studies compared trials that repeated a rule with trials that changed it.
What it does not prove
It does not establish one fixed cost of multitasking or explain everyday phone behavior. A similar delay can come from different tasks and does not identify its cause by itself.
Why it stays interesting
Calling both delays multitasking can hide the difference between competing demands and changing rules.
People's accounts of hearing about September 11 changed, but their confidence stayed high. A vivid mental picture was not a guarantee of stable details.
The interesting result
People's accounts changed even while they felt sure about their memories.
What was checked
People recorded September 11 and ordinary-event memories soon after the attacks, then reported them again over later intervals.
What it does not prove
It does not show that vivid memories are necessarily false. The studies measured agreement with an earlier report, not objective truth, and did not isolate one cause of change.
Why it stays interesting
Feeling certain now does not prove that a detail stayed the same over time.
When students chose when to stop studying, screen readers scored worse and judged their readiness less well. A fixed-time experiment found no clear score gap.
The interesting result
Screen readers judged their readiness less accurately when choosing their own study time in one experiment.
What was checked
Meta-analyses compared matched text on paper and screens. Separate experiments compared predicted test scores with the scores readers actually earned.
What it does not prove
It does not show that screens make people less intelligent or that paper always wins. Results vary with the text, device, timing, and task.
Why it stays interesting
Broader reviews found a small average paper advantage, not a rule that every screen reader learns less.
Each entry comes from a complete article with its sources linked. “What was checked” describes the task or comparison. “What it does not prove” prevents a narrow result from turning into a universal rule.
This is an editorial map, not a medical or scientific review service. When evidence changes, the article and its place in the map should change with it.