Stephen Chew

Stephen Chew

@schewpsych.bsky.social

Professor of Psychology; I study cognition, teaching & learning; See http://samford.edu/how-to-study/ and https://youtube.com/chann;

1,549 Followers 179 Following 206 Posts Joined Oct 2023
17 hours ago
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15-Year Study Shows Sharp Rise in Depression Among U.S. College Students WEDNESDAY, March 11, 2026 (HealthDay News) — For nearly two decades, the mental health of American college students has been on a downward slide. A massive

www.healthday.com/health-news/...

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17 hours ago
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We Finally Know How Bumblebee Queens Can Survive Underwater For Days The discovery that bumblebee queens could shake it off and emerge unscathed after more than a week submerged in water stunned scientists back in 2024.

www.sciencealert.com/we-finally-k...

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2 days ago
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Wasps and frogs evolved identical pain toxins without sharing ancestry Some wasps and frogs evolved similar chemicals that cause pain in predators, even though the species are not closely related.

Wasps and frogs evolved identical pain toxins without sharing ancestry: www.earth.com/news/wasps-a...

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4 days ago

Glad it is helpful for working with struggling students.

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4 days ago
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If you teach statistics, this is a nice real-world example of a cumulative frequency graph: Measles is 'worse than expected' in Utah, officials say www.nbcnews.com/health/healt...

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5 days ago

www.cidrap.umn.edu/measles/cdc-...

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2 weeks ago
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The tuned cortex: Convergent expertise-related structural and functional remodeling across the adult lifespan Neuroplasticity is a defining property of the brain. Structural and functional brain changes arise soon after learning and are particularly evident following years of practice that underpin expert per...

Bird watching and brain development. www.jneurosci.org/content/earl...

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2 weeks ago
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Deep-sea fish break the mold with novel visual system For more than a century, biology textbooks have stated that vision among vertebrates - people included - is built from two clearly defined cell types: rods for processing dim light and cones for brigh...

Rods, cones, and that third option: www.reuters.com/science/deep...

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3 weeks ago
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Mutually Satisfied Mediocrity: When Indifferent Teachers Meet Indifferent Students There is an elusive win-win in teaching in which both teachers and students truly enjoy a class together. The teachers find pleasure and satisfaction in educating students, and the students are fully ...

My latest essay for The Teaching Professor: "Mutually Satisfied Mediocrity: When Indifferent Teachers Meet Indifferent Students" Subscription required. www.teachingprofessor.com/topics/stude...

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1 month ago
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Opinion | What a Baby’s Laugh Actually Tells Us A kid’s first joke reveals a complex mind.

In @nytopinion.nytimes.com

“Laughter and humor are fundamental to how babies learn about and participate in the world,” the developmental psychologist Gina Mireault writes.

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1 month ago
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Memories of childhood trauma may shift depending on current relationships Most people think memory is like a video recording, but new research suggests otherwise. A study shows that young adults remember their childhoods differently depending on how well they get along with their parents right now.

Memories of childhood trauma may shift depending on current relationships

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1 month ago
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(PDF) The Last of the Statistical Curmudgeons PDF | Students with a deep understanding of what the statistics mean, how they are computed, and how they might be misunderstood or misused will have a... | Find, read and cite all the research you ne...

My essay, "The Last of the Statistical Curmudgeons" for
The Teaching Professor now freely available on
ResearchGate The Last of the Statistical Curmudgeons. www.researchgate.net/publication/...

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1 month ago
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(PDF) Richard Feynman: How a Genius Approached Teaching PDF | How did Feynman approach teaching? Feynman had scribbled his philosophy of teaching in a note to himself in 1952: “First figure out why you want... | Find, read and cite all the research you nee...

My essay "Richard Feynman: How a Genius Approached Teaching" for The Teaching Professor now freely available on
ResearchGate.
www.researchgate.net/publication/...
.

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1 month ago
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(PDF) What I've Learned About Using Educational Technology PDF | Sometimes technology creates affordances that make our lives easier but not better, and we need to find ways of resist or constrain these affordances. | Find, read and cite all the research you ...

My essay, "What I've Learned About Using Educational Technology" for The Teaching Professor, now freely available on @ResearchGate.
www.researchgate.net/publication/...

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1 month ago
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It's the foundation of psychiatric diagnosis. And it's about to get a makeover The current edition of the Diagnostic and Statistical Manual is known as the DSM-5. What will the next version be called? That's one of several open questions as the "Bible of psychiatry" goes online.

The current edition of the Diagnostic and Statistical Manual is known as the DSM-5. What will the next version be called? That's one of several open questions as the "Bible of psychiatry" goes online. n.pr/49LG0vk

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1 month ago
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Spider monkeys pool their knowledge to find the best fruit When spider monkeys want to tell others about the best fruit trees in the forest or ones they've missed, they do so by changing their social groups to share what they know, according to a new study pu...

phys.org/news/2026-01...

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1 month ago
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Black man who was executed in Texas 70 years ago is cleared in case marked by racial bias Tommy Lee Walker was executed in the electric chair in May 1956 for the rape and murder of 31-year-old Venice Parker.

www.nbcnews.com/nbcblk3/blac...

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1 month ago

No Link Between Water Fluoridation, Birth Weight, Study Shows www.medpagetoday.com/obgyn/pregna...

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1 month ago
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No bull: This Austrian cow has learned to use tools First evidence for tool use in cattle includes a skill previously seen only in humans and chimpanzees

About a decade ago, a baker in a small mountainous village in southern Austria noticed his cow doing something unusual... My latest for @science.org about the first documented case of tool use in cattle!

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1 month ago
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Researchers identify tool use in a pet cow, indicating livestock might be smarter than thought | CNN A new study is the first to describe tool use in a cow. It could be evidence that livestock has higher cognitive capabilities than once thought, researchers say.

www.cnn.com/2026/01/19/s...

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1 month ago
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The Last of the Statistical Curmudgeons I’m a statistical curmudgeon. When I teach statistics, I allow students to use only handheld calculators. I neither teach nor allow statistical software. I’m pretty sure I’m among the last of my kind....

My latest essay for The Teaching Professor, The Last of the Statistical Curmudgeons. Subscription required.
www.teachingprofessor.com/topics/stude...

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1 month ago
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The pandemic may have caused a songbird’s beak to change shape, scientists find | CNN Songbirds on the UCLA campus changed beak shapes during the pandemic, according to a new study. Researchers suspect it might be a case of rapid evolution.

www.cnn.com/2026/01/12/s...

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1 month ago
PNAS Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...

Rapid evolutionary response in bird beak length in response to COVID-19.
www.pnas.org/doi/10.1073/...

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2 months ago
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Venomous snake strikes captured in extreme detail through high-speed videos for first time Over 100 videos of venomous snake strikes reveal three different types of attacks, with some biting down several times "to prolong the venom flow into their prey."

www.livescience.com/animals/snak...

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2 months ago

Is your state legislator smarter than a college freshman?

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2 months ago
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Vesuvius Eruption Turned a Victim's Brain to Glass. Here's How. A man who died in the catastrophic eruption of Vesuvius nearly 2,000 years ago seems to have found a unique way to shuffle off this mortal coil.

www.sciencealert.com/vesuvius-eru...

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2 months ago
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Experts who once backed 'shaken baby' science now fight to free imprisoned caregivers A growing number of medical experts and law enforcement officials are reversing testimony that put parents behind bars. But they face an uphill battle.

www.nbcnews.com/news/us-news...

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2 months ago
APA PsycNet

“Don’t Hold Back”: Swearing Improves Strength Through State Disinhibition psycnet.apa.org/fulltext/202...

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2 months ago
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A medical examiner's testimony put a father behind bars for life. Now he says he 'made a mistake.' Dr. Bruce Levy's finding that Alex Maze died of shaken baby syndrome was critical in the murder conviction of his father, Russell Maze. Decades later, Levy says he believes Maze is innocent.

www.nbcnews.com/news/us-news...

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3 months ago
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New Species of Tiny Pumpkin Toadlet Discovered in Brazil's Cloud Forests Deep in the mountains of southern Brazil, a bright orange frog, just over a centimeter long, hops into the spotlight.

Spray tan gone wrong.
www.sciencealert.com/new-species-...

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