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This DIY toy is fun and simple — and could help tackle malaria and other diseases.

If you're, say, researching a new drug or vaccine, this lab might be perfect.

Image via iStock.

But not everyone is lucky enough to have access to such resources. If you're not in a big city, for example, or if you're one of the world's many remote health care workers, in which case you might be going someplace where you can bring only what fits in your Jeep.

Which means that lab is just not coming along.

One of the tools we'd really like to make "back-of-Jeep" friendly is the centrifuge.

Centrifuges are one of the most common scientific tools and work by spinning samples at ridiculously high speeds. In medicine they're used to prep blood samples for analysis. Unfortunately, typical centrifuges are bulky, heavy, expensive, and electronic, which led designers to search for alternative solutions.

Designers often look for inspiration in everyday objects. Some have tried salad spinners as a centrifuge replacement. Others tried egg beaters. Both of those were too slow and awkward, but now researchers at Stanford might have found something awesome.

This simple toy is known as a whirligig. 

Image from Nature/YouTube.

You may have played with one before, and if you haven't, they're dead simple to make. Researchers spotted it and were curious: Could this thing work as a centrifuge? It certainly spun, but how fast? The researchers decided to build their own prototype and test it out.

Using a high-speed camera and some seriously impressive physics calculations, they found that a whirligig could get up to a blisteringly fast 125,000 revolutions per minute. That's not just fast, that's centrifuge fast.

Since the first test, researchers have come up with a new whirligig design that could hold small amounts of blood or other scientific samples. They're calling it the "paperfuge" and are working with health care workers in Madagascar to learn how to improve and distribute it.

Image from Nature/YouTube.

Initial results seem good. They can get blood samples to separate in just 90 seconds. After 15 minutes, results were fine enough to even identify malaria parasites. This means the paperfuge might be able to bring a ton of new tests — from basic health checkups to serious diagnostics — to the millions of people who live outside the range of typical labs.

A lot of science is, unfortunately, out of reach for normal people. Clever design like this could remove some of the barriers.

Image from Nature/YouTube.

Creating more accessible equipment could help democratize science, says Dr. Manu Prakash, one of the researchers who worked on the paperfuge. There are a ton of smart, knowledgable people out there, but living in a place where you can easily get and use thousand-dollar centrifuges is a privilege many do not get. New tools like the paperfuge could change that.

Science is one of the best ways we have to learn about and change our world. Imagine what we can do once everyone has access to it.

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Fatherhood

Kindergarteners in 1949 were asked to draw their dads from memory. The results are stunning.

The portraits were even featured in Life Magazine.

Photo by Hans Isaacson on Unsplash

Young girl drawing a face.

It was just another day in West Hartford, Connecticut. The year was 1949 and the place was Sedgwick Elementary School. Father's Night was approaching, so Kindergarten teacher Doris Morcom asked her young students to draw portraits of their dads. From the Inside History (via @Life) Instagram description, "Each child drew a portrait of their father entirely from memory."

What made this extra special was that Al Fenn, a photographer from Life Magazine was there to photograph the children with their fathers holding up the drawings. They revealed "portraits that were both delightfully imperfect and surprisingly accurate, offering a tender glimpse in the way children see their parents."

Fenn, incidentally, spent 15 years at Life Magazine, creating some diverse, iconic photos. The Life website shares, "In 1931, as a gift on his first visit to Europe, Al Fenn (1912-1995) was given a Leica. By the time he returned to the States, his 'heart now belonged to photography.'"

In each picture, the children seemed to beam while their fathers looked, by contrast, somewhat serious. These photos have been posted on many social media sites, but on the Inside History reel, many of the commenters mention how business-like the fathers looked in their suits. One writes, "Not ONE dad looks happy from the results." But this gets some push back from, well, a middle aged man. "They are happy. This is how middle aged white dudes look when we're happy. I feel so misunderstood."

Another points out it was of the time to be more conservative in photos, as one didn't get as many takes back in the day. "Some of the biggest smiles you'll see in a pic from this time period."

A common theme is the idea that the fathers look older than your average dad in 2025. Someone counters, "These pictures were accurate. I find it interesting that many people are saying the dads look old when in reality, I think we are just being so inundated with people chasing youth and wanting to look forever 20-something. We don't realize that these people, these fathers, look normal."

On the lighter side, many also mention how strangely on point the portraits are. One jokes, " To be fair, I couldn’t even draw a picture of my dad while looking directly at my dad." It's also noted how deeply proud these children seem, not only with their work as artists, but as their role as kids to these dads. "Look how proud the kids are," one commenter exclaims.

Some note the similarities that a few of them look to celebrities, particularly Brian Cranston and John Cena.

 Bryan Cranston, actor, celebrity, look alike, photos Bryan Cranston at the 2014 Peabody Awards.  en.m.wikipedia.org  

Their teacher, Ms. Morcom, wound up teaching for 35 years and just passed a few years ago at the age of 87. Most likely, she could not have known how impactful her sweet idea to have the kids draw their dads would be. And as an extra little treat? The fathers then took an aim at drawing her, which they proudly held up to be photographed.

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Friendship

Relationship expert shares 4 signs you're the 'fringe friend' and what to do about it

Feeling like you've been pushed to the outside of your friend circle?

via Canva/Photos

A woman feels left out of her friend group.

Do you ever get the feeling that you are the “fringe friend” in a social circle? You’re not quite part of the “core” group—although you may have been at some point—and these days you feel like more of an afterthought. You may get invited to the big events, but miss out on smaller lunches, and feel out of the loop on the core group’s day-to-day lives.

Feeling excluded can be hurtful and stressful. You end up wondering to yourself: Am I worthy of being a friend? Did I do something wrong? You may also feel pressured to attend every event you’re invited to because it may be your last. Dr. Christie Ferrari shared the pain of being a “fringe friend” in a recent Instagram post that received millions of views.

Ferrari is a Johns Hopkins-trained clinical psychologist with a background in CBT, DBT, behavioral psychology, and motivational models.

Here are Ferrari’s four signs you’re the “fringe friend” and why it hurts more than you think.


1. You know everyone's story, but no one stops to ask you yours.

In this imbalance, you know everything about your friends, but they know nothing about you, leaving you feeling invisible.

2. You used to be the one who always reached out. But after being ignored or canceled on too many times, you gave up—and no one noticed.

This is a huge indicator of a relationship that’s out of balance. "They noticed when you offered something but not when you pulled back," Ferrari told Newsweek. "That's because they valued the function, not the friendship."

3. You brought two people together, and now they hang out without you.

It can be extremely painful when you get aced out of a relationship that you helped create.

4. They say you're always welcome, but never actually invite you.

Ferrari calls this “passive” exclusion, where you’re neither left out nor exactly invited.

 outcast, fringe friend, sad woman, high school kids, left out A woman is left out of a group project.via Canva/Photos

The viral video inspired others in the comments to add their signs that you’re a “fringe friend” as well. “You show up for their events and they don’t show up for yours,” a commenter wrote. “Add in: you show up to the event alone but somehow everyone else carpooled,” another added.

One commenter perfectly explained the pain: “Social media makes being the fringe friend even harder. You see all the times you weren’t invited…”

Ferrari did a great job of explaining what it means to be the fringe friend, but she didn’t leave everyone hanging. In another Instagram post, she shared three pieces of advice for fringe friends if they’re tired of feeling like an outcast. As the old saying goes, you can’t change people, only how you react to them. Here’s how you can react differently.

Three things to stop doing if you're tired of being the fringe friend


1. Stop being the only one to reach out; you're chasing them. Pause for two to three weeks and see who notices the space you used to fill.

2. Stop overexplaining; it signals you don't fully belong. Instead, stick to two to three sentences max; it stops your urge to prove yourself.

3. Stop hiding parts of yourself to be accepted; people can't connect fully with you if you do. Instead, say one honest thing per hangout.

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Golden Years

7 'old people' sayings that are actually solid life advice at every age

"Make all your words sweet because tomorrow you may have to eat them."

Photo credit: Canva

Elder wisdom can come in handy.

With age comes wisdom, or at least we hope it does. As we get older, we collect life lessons that we can pass along to younger generations, sometimes with lengthy stories and sometimes with quippy sayings.

Adages like "A penny saved is a penny earned," or "Early to bed, early to rise makes a man healthy, wealthy, and wise," have been part of our collective treasure chest of life advice for generations, but the aphorisms that spring from the experience of our loved ones and mentors are often the most meaningful.

Someone shared that they'd read and appreciated this old man's advice: “My grandpa once told me 'if you get on the wrong train, get off at the nearest station, the longer it takes you to get off, the more expensive the return trip will be.' He wasn’t talking about trains.” The person asked for more tidbits of wisdom from old folks and people started sharing sayings they heard from their elders growing up.

Here are some of the best "old man advice" sayings and how they can be applied in a person's life.

"You might miss what’s ahead of you if you keep concentrating on what’s in the rear view mirror."

Another commenter put it another way: "Don't look behind you, you aren't going that way." This adage is about not dwelling on the past. Many of us have a tendency to spend more time mentally in the past, rehashing old memories or being nostalgic for what once was, than we do in the present or looking forward to the future. There's nothing wrong with a little reflection, but if most of our focus is in the past, we miss out on the present. Rear view mirrors are for quick glances, not where our focus should be.

"Do the right thing, even if nobody is watching."

This saying is about good character and true integrity. If you notice someone drop a $20 bill and no one is around to see but you, do you give it back to them or do you pick it up and keep it? If you realize that a store didn't charge you for an item, do you point it out and make it right or do you allow the mistake to remain? There are opportunities each day for us to choose between right and wrong, and those choices really speak to who we are if they are made without anyone else knowing.

 integrity, right, wrong, right thing, doing good lisa simpson help GIF  Giphy  

"Be nice to everybody you meet on the way up the ladder. You'll see the same faces on the way down "

Don't get cocky and don't burn bridges you think you won't need to return to. There's value in being kind for its own sake, but there's also the reality that being kind also makes people like you. When people like you, they're more likely to lend you a helping hand, and you never know when you're going to be in a position to need one. It's also a good reminder that you're not inherently better than anyone else just because of where you are in life. We're all constantly in flux, so it's important to stay humble and kind.

In other words, "Make all your words sweet because tomorrow you may have to eat them."

"One of the most powerful negotiating tools is silence."

The power of silence in general is often underrated, but it can be an especially useful tool in a negotiation. Some people are so uncomfortable with silence that they will make concessions simply to avoid it. And sometimes the best response to an unreasonable demand is to just say nothing and stare, letting the other party come to the realization themselves. It takes calm confidence to simply be quiet and let the silence fill the room, which can feel surprisingly intimidating.

"Always listen to your gut, even if you can’t explain it."

Ah, the strange and mysterious sense of intuition that we can't really describe but know when we feel it. Whether it's getting a creepy vibe about a person or a little voice telling you to do or not do something, those "gut instincts" can serve us well. Of course, if we are prone to anxiety, our instincts can sometimes be confused with anxious thoughts, but "go with your gut" is solid advice anyway.

 gut feeling, listen to your gut, go with your gut, intuition, discernment  Listen To It Season 1 GIF by The Roku Channel  Giphy  

“It doesn’t matter what path you’re on if it’s the wrong mountain.”

Sometimes people trying to find their way end up hitting roadblock after roadblock, which may mean they just haven't found the right path yet or might mean they need an entire overhaul of their life. That might look like switching career paths entirely, rather than trying to find a job in your field that fits. It might mean changing majors in the middle of your studies when you find yourself not enjoying any of your classes. It might mean finding a new community or reevaluating your relationships.

"The harder I work, the luckier I get."

Several sayings line up with this one, like "Luck is the intersection of preparation and opportunity," and "Luck favors the prepared mind." There's a lot to be said for fortune and hard work going hand in hand. If we expect good things to just land in our lap, we will likely be disappointed, but if we move in the direction of things we want to happen and do the work of preparing for good things to come our way, "luck" frequently seems to follow.

 luck, hard work, lucky, good luck, napoleon dynamite  Napoleon Dynamite GIF by Ben L  Giphy  

Finding a saying that resonates can be really helpful when we're facing a specific challenge in life, especially when we commit it to memory and repeat it often.

This article originally appeared in March.

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5 'core' childhood memories your kid will cherish forever, according to a psychologist

No lavish vacation or expensive toys necessary.

Photo credit: Canva

A psychologist breaks down the 5 types of core memories your kid will cherish forever

There’s a popular trend where parents often share they are creating “core memories” for their children on social media posts, whether it’s planning an elaborate vacation or creating an extra-special holiday moment. While it’s important for parents to want their kids to have happy childhoods, sometimes it feels presumptuous when they believe they can manufacture a core memory. Especially when a child’s inner world is so different than an adult's.

The concept of "core memories" was made mainstream in 2015 thanks to Disney's Inside Out. In it, "core memories" are born from moments and experiences that majorly shape a part of the main character, Riley's, personality. The experience(s) can be grand or benign; the point is these moments are ultimately forming Riley into the person she is. Seems pretty hard to manufacture such a moment, but parents are certainly trying.

 core memories, creating core memories, parenting, kids, psychologist, child psychology, psychologist A "core memory" from 'Inside Out II' media4.giphy.com  

Carol Kim, a mother of three and licensed Marriage and family Therapist, known as Parenting.Resilience on Instagram, recently shared the “5 Things Kids Will Remember from Their Childhood” on her page. The fascinating insight is that none of the entries had to do with extravagant vacations, over-the-top birthday parties, or Christmas gifts that kids could only dream about.

According to Kim, the five things that kids will remember all revolve around their parents' presence and support. "Notice how creating good memories doesn’t require expensive toys or lavish family trips. Your presence is the most valuable present you can give to your child,” Kim wrote in the post’s caption.

 


1. Quality time together

"Taking some time to focus only on your child is very special. Playing games, reading books, or just talking can create strong, happy memories. These moments show your child that you are present with them."

2. Words of encouragement

"Encouraging words can greatly impact your child during both good times and tough times. Kids often seek approval from their parents and your positive words can be a strong motivator and source of comfort.... It can help kids believe in themselves, giving them the confidence to take on new challenges and keep going when things get tough."

3. Family traditions

“It creates a feeling of stability and togetherness … Family traditions make children feel like they belong and are part of a larger story, deepening their sense of security and understanding of family identity and values.”


 core memories, creating core memories, parenting, kids, psychologist, child psychology, psychologist Even the simplest tradition speaks volumes. Photo credit: Canva

4. Acts of kindness

“Seeing and doing kind things leaves a strong impression on children. It shows them the importance of being kind and caring. They remember how good it feels to help others and to see their parents helping too.”

5. Comfort during tough times

"Knowing they can rely on you during tough times makes them feel secure and build trust. … Comforting them when they're struggling shows them they are loved no matter what, helping them feel emotionally secure and strong."

Kim’s strategies are all beautiful ways to be present in our children’s lives and to communicate our support. However, these seemingly simple behaviors can be challenging for some parents who are dealing with issues stemming from their pasts.

“If you find barriers to providing these things, it’s important to reflect on why,” Kim writes in the post. “There could be several reasons, such as parenting in isolation (we’re not meant to parent alone), feeling overstimulated, dealing with past trauma, or struggling with mental health. Recognizing these challenges is the first step to addressing them and finding support.”

This article originally appeared last year.

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I showed my Gen Z kids 'Dead Poets Society' and their angry reactions to it floored me

"Inspiring" apparently means different things to Gen X and Gen Z.

Rotten Tomatoes Classic Trailers/YouTube

Robin Williams played inspiring English teacher John Keating in "Dead Poets Society."

As a Gen X parent of Gen Z teens and young adults, I'm used to cringing at things from 80s and 90s movies that haven't aged well. However, a beloved film from my youth that I thought they'd love, "Dead Poets Society," sparked some unexpectedly negative responses in my kids, shining a spotlight on generational differences I didn't even know existed.

I probably watched "Dead Poets Society" a dozen or more times as a teen and young adult, always finding it aesthetically beautiful, tragically sad, and profoundly inspiring. That film was one of the reasons I decided to become an English teacher, inspired as I was by Robin Williams' portrayal of the passionately unconventional English teacher, John Keating.

 

The way Mr. Keating shared his love of beauty and poetry with a class of high school boys at a stuffy prep school, encouraging them to "seize the day" and "suck all the marrow out of life," hit me right in my idealistic youthful heart. And when those boys stood up on their desks for him at the end of the film, defying the headmaster who held their futures in his hands? What a moving moment of triumph and support.

My Gen Z kids, however, saw the ending differently. They did love the feel of the film, which I expected with its warm, cozy, comforting vibe (at least up until the last 20 minutes or so). They loved Mr. Keating, because how can you not? But when the movie ended, I was taken aback hearing "That was terrible!" and "Why would you traumatize me like that?" before they also admitted, "But it was so gooood!"

  - YouTube  youtu.be  

 

The traumatize part I actually get—I'd forgotten just how incredibly heavy the film gets all of a sudden. (A caveat I feel the need to add here: Gen Z uses the word "traumatize" not in a clinical sense but as an exaggerative term for being hit unexpectedly by something sad or disturbing. They know they weren't literally traumatized by the movie.)

But in discussing it further, I discovered three main generational differences that impacted my kids' "Dead Poets Society" viewing experience and what they took away from it.

1) Gen Z sees inspiring change through a systemic lens, not an individual one

The first thing my 20-year-old said when the credits rolled was, "What? That's terrible! Nothing changed! He got fired and the school is still run by a bunch of stodgy old white men forcing everyone to conform!" My immediate response was, "Yeah, but he changed those boys' individual lives, didn't he? He helped broaden their minds and see the world differently."

  o captain my captain, dead poets society Individual impact isn't as inspiring to Gen Z as it was to Gen X.   Giphy  

I realized that Gen X youth valued individuals going against the old, outdated system and doing their own thing, whereas Gen Z values the dismantling of the system itself. For Gen X, Mr. Keating and the boys taking a stand was inspiring, but the fact that it didn't actually change anything outside of their own individual experiences stuck like a needle in my Gen Z kids' craw.

2) Gen Z isn't accustomed to being blindsided by tragic storylines with no warning

To be fair, I did tell them there was "a sad part" before the movie started. But I'd forgotten how deeply devastating the last part of the movie was, so my daughter's "Why would you do that to me?!" was somewhat warranted. "I thought maybe a dog would die or something!" she said. No one really expected one of the main characters to die by suicide and the beloved teacher protagonist to be blamed for his death, but I'd somehow minimized the tragedy of it all in my memory so my "sad part" warning was a little insufficient.

 

But also to be fair, Gen X youth never got any such warnings—we were just blindsided by tragic plot twists all the time. As kids, we cheered on Atreyu trying to save his horse from the swamp in "The Neverending Story" only to watch him drown. Adults showed us "Watership Down" thinking it would be a cute little animated film about bunnies. We were slapped in the face by the tragic child death in "My Girl," which was marketed as a sweet coming of age movie.

Gen Z was raised in the era of trigger warnings and trauma-informed practices, while Gen X kids watched a teacher die on live TV in our classrooms with zero follow-up on how we were processing it. Those differences became apparent real quick at the end of this movie.

The Never Ending Story Atreyu GIFfrom The Never Ending Story GIFs
 


3) Gen Z fixates on boundary-crossing behavior that Gen X either overlooked or saw as more nuanced

The other reaction I wasn't expecting was the utter disdain my girls showed for Knox Overstreet, the sweet-but-over-eager character who fell for the football player's cheerleader girlfriend. His boundary-crossing attempts to woo her were always cringe, but for Gen X, cringe behavior in the name of love was generally either overlooked, tolerated, or sometimes even celebrated. (Standing on a girl's lawn in the middle of the night holding a full-volume stereo over your head was peak romance for Gen X, remember.) For Gen Z, the only thing worse than cringe is predatory behavior, which Knox's obsessiveness and pushiness could arguably be seen as. My own young Gen X lens saw Knox and said, "That's a bit much, dude. Take it down a notch or three." My Gen Z daughters' lens said, "That guy's a total creepo. She needs to run far the other way."

 run, red flag behavior Gen Z is much more black and white about behaviors than previous generations.  Giphy Red Flag Run GIF by BuzzFeed 

On one hand, I was proud of them for recognizing red flag behaviors and calling them out. On the other hand, I saw how little room there is for nuance in their perceptions, which was…interesting.

To be clear, I don't think my Gen Z kids' reactions to "Dead Poets Society" are wrong; they're just different than mine were at their age. We're usually on the same page when it comes to these kinds of analyses, so seeing them have a drastically different reaction to something I loved at their age was really something. Now I'm wondering what other favorite movies from my youth I should show them to see if they view those differently as well—hopefully without "traumatizing" them too much with the experience.

This article originally appeared in January.

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