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These beautiful shark facts and pictures will give you 10 reasons to love them.

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Discovery - Racing Extinction

There's a reason why we're told to live every week like it's Shark Week.

GIF via “Step Brothers."

Sharks are simultaneously some of the most exhilarating and terrifying forces of nature on the planet.

They are glorious, majestic apex predators that affect entire ecosystems with their toothy, subaqueous badassery and demand our constant admiration and respect.

Hear me roar. All shark photos via iStock.

But they're also probably one of the most misunderstood species on the planet.

Thankfully, they're just one of many featured in "Racing Extinction" — a terrifyingly beautiful film that soon premieres on Discovery Channel. But before we get to that, let's explain why you should care about one of the many species showcased in that film — sharks!

Here are 10 facts that explain why we love sharks (and why you should if you don't).

1. Sharks promote bio-diversity.

'Sup everyone?

Apex predators like sharks actually increase the wildlife diversity of the ecosystems they live in by preying on the most available species, in turn preventing them from over-consuming the resources of a given area.

2. Sharks are fast. Like really, really fast.

Let's race.

Shortfin mako sharks are called the cheetahs of the sea. While they cruise around 20 mph, they've been observed notching speeds upward of 50 mph in a burst to nab prey. This video has one hitting 68 miles an hour before devouring a bluefish. Experts caution it's really difficult to accurately measure mako speeds, but still — it puts a whole new spin on "fast food," does it not?

3. Sharks are AMAZING listeners.

"Tell me more about growing up in the north tropical Atlantic."

A shark can hear a fish thrashing in the water from nearly 2,000 feet away — that's over one Freedom Tower away.

4. Fear of sharks is basically the ocean's answer to birth control.

"Walk into the club like..."

Through intimidation alone, sharks are able to control other species of fish from overpopulating by forcing them to lessen their reproductive habits and alter their migratory patterns. Effective!

5. Speaking of birth control, they're naturally good at it.

"Ah remember this time last year? We were at the beach without a care in the world."

While sharks may live long, prosperous lives (up to 25 years), they actually grow slowly and produce very few offspring in comparison to most fish. The average litter of a Great White, for instance, is just two to 10 pups a year, with a gestation period lasting as long as two years (!!).

6. Shark embryos have built-in security systems.

Hello, ocean!

Not only do sharks detect their prey by tracking the electric fields they emit, but some shark embryos can actually do the same with predators, recognizing the electric fields they put out and responding by completely shutting down their respiratory functions.

7. More sharks = fewer diseases.

"I know carcass isn't fancy, but it really hits the spot when you're hungry."

Sharks typically feed on the weakest and sickest members of their prey colonies and even scavenge the sea floor to feast on dead carcasses, acting as a sort of oceanwide CDC (more like sea-d-sea, amiright?!) by preventing potentially fatal diseases from spreading and even strengthening the gene pools of these hunted species.

8. Seriously, like even our diseases.

We owe you, big time.

Both humans and sharks have an immune system that relies on antibodies to prevent and fight disease, but the shark's immune system is unique in that it actually contains large quantities of urea, an excreted substance that keeps them from dehydrating.

Since urea actually destabilizes antibodies, sharks have also developed several molecular adaptations to prevent urea from making them vulnerable to diseases, which researchers are now applying to human antibodies in the hopes of turning us into invulnerable Terminators, more or less.

9. That tuna salad you're eating? Thank a shark.

This time, the food chain tables have turned, sea birds.

If hungry sharks weren't keeping down the seabird population, some species of tuna might be facing extinction since they are the go-to meal of these winged assailants. Tiger sharks are credited with eating about 10% of the albatross population annually, and great whites have even beached themselves seeking a seagull appetizer.

10. And while you're at it, thank them for the coral reefs we all love so much.

Just coral reefin', the way I usually do.

When sharks are removed from reef ecosystems, the population of plant-eating fish species in reefs also drops, leading to overgrown algae that suffocates what few growing reefs we have left. The same goes for seagrass, which tiger sharks also help make flourish by keeping sea turtles from overgrazing and subsequently destroying their own habitats.

For all the bad press they get, sharks are basically the omnipresent healers of the ocean, which makes this next fact all the more unbelievable.

There's still one terrifying truth about sharks.

Large shark populations have declined by over 90% in the last generation alone and are facing extinction due to a variety of factors — chief among them, overfishing and fin poaching.

For every human killed by a shark, 2 million sharks are killed by humans, with over 200,000 sharks being killed in the fin trade per day.

The extinction of several shark species within our lifetime is a very real possibility that would lead to disastrous environmental effects.

That's why Racing Extinction recently created a quiz to shed some light on this pressing issue.

We are the last generation that can put an end to shark finning.

Yeah! So, head over to their website, take the quiz, and pass it along to your friends to help spread the word.

That, or get used to the idea of living in a world where Shark Week doesn't exist, which is just…

GIF via "That '70s Show."

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Joy

Adorable Golden Retriever absolutely loses it when he runs into his vet at a bar

No one has ever been this excited to see their doctor.

@cosmo_andtheoddparents/TikTok

He wuvs his vet.

Not every dog might jump with joy after seeing their vet out in public. But for Cosmo the Golden Retriever, it was practically Christmas all over again when he spotted his own vet, Dr. Jones, at a brewery.

In an adorable clip posted to TikTok, we see Cosmo in pure, unadulterated bliss as he snuggles with an equally happy Dr. Jones, who, considering he’s still in his scrubs, might have just gotten out of work to grab a quick pint.

Watch:

@cosmo_andtheoddparents When you run into your vet in public #goldenretrieversoftiktok #vetlife #animallovers #petparents #goldenretriever #goldenretrievers #doglife #dogmom #dailyfluff #charlestondogs #doglover #charlestondog #brewerydog ♬ original sound - Cosmo

Ugh, the cuteness is too much to handle! People in the comments could barely contain their secondhand joy.

“He looked over like, “Mom, do you see who this is?” one person wrote, while another said, “What in the Hallmark movie? Adorable!!”

One person even joked, “Did we all check the vet’s hand for a wedding ring? (Said as a married woman. Looking out for you all, or something.)”

According to Hannah Dweikat, Cosmo’s owner, the two actually share quite a history. She tells Upworthy that when Cosmo was but a wee pup, he “gave a scare” after eating a Sago Palm seed, which are highly toxic to dogs, from a plant in their backyard, which of course resulted in him being rushed to the animal hospital and staying there over the weekend.

While that’s every pet owner’s worst nightmare, and certainly a scary situation for the poor fur baby, Dweikat says that “the calm and patient demeanor” of Dr. Jones and his staff put Cosmo at ease. And because of this, “Cosmo has always loved going to see his friends—especially because they give him lots of treats and snuggles.”

Cosmo and Dr. Jones’ buddyship has also blossomed thanks to proximity, as Dweikat only lives down the street from the clinic. “Which means we get to see Dr. Jones and his staff out in public at times and Cosmo takes every chance he can get to say hi,” she explains. This time, however, she was able to capture it all on video. Yay for us!

What makes a good vet?

While not every vet, however gifted, will be able to elicit this type of reaction from their patients, having a calming presence like Dr. Jones is certainly a good sign for pet owners to be on the lookout for when shopping around for their own vet. But that’s not the only quality a good vet needs. According to Saint Matthews University, a vet also needs to have high stamina (both physically and mentally), as well as an ability to tolerate unpleasant situations (you can’t faint at the sight of blood or vomit), a high level of emotional intelligence (maybe all doctors should possess this skill, but especially those who work with animals), adaptability, a sense of enthusiasm, and finally, excellent communication skills.

Dr. Jones seems to have these attributes in spades, and his patients clearly love him for it. None so much as Cosmo, obviously.

By the way, if you’re in need of even more content featuring this precious pup, you can follow Cosmo on both TikTok and Instagram.

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Parenting

His mother gave him a 'husbands in training' course as a child. Every parent should do it.

Learning how to be a good spouse shouldn't just be something we pick up by accident.

via Doug Weaver/TikTok

Doug Weaver explains "Husbands in Training."

Even though the marriage rate in the United States is on a steep decline, chances are that the majority of kids growing up today will get married at some point in their lives. If current trends continue, about half of those will end in divorce.

Research published in the Couple and Family Psychology journal found that the top five reasons for divorce are a lack of commitment, infidelity, too much conflict, getting married young, and financial problems.

Wouldn’t it be great if we were taught from a young age how to be a good spouse so we could avoid these pitfalls? But in American culture, most of us aren’t taught the specifics of how to have a happy and healthy marriage. Most of us tend to pick things up from watching the married people in our orbit, most likely our parents.

No comment on how that's going.

Artist Doug Weaver had a much different upbringing. His mother, Mickey, made a curriculum for him and his two older brothers when they were kids to help them be great husbands when they got married.

"When I was a kid, my mom did this thing for me and my two older brothers called 'Husbands in Training,'" he explained in a TikTok video that has more than 5.9 million views. "It was a full, multiple-level curriculum on how to be a better husband."

Weaver says the training covered topics from chivalry to eating to a rather uncomfortable discussion on "the ethics of the porn industry." His mother also stressed the importance of listening to women and identifying when another man may be giving them trouble.

"There was a lot of really good stuff in that curriculum," Doug said. "There were things like what to do if your spouse says something and the information they give is wrong. How to handle it if they say something wrong in public versus in private, when it is appropriate to correct them and when it isn't."

Weaver’s mother was also way ahead of her time because she made a big deal about teaching her sons the importance of consent. "We talked about consent, we talked about the basics of respecting and honoring women and listening to women, and all of the things that really just make you a decent human being," Doug explained.

@dougweaverart

Husbands in training! #parenting #storytime #story

The lessons were so powerful that even Weaver’s father decided to take the course. "A lot of the things that we were learning from my mom were things that he was never taught growing up,” Weaver said. "So, he decided he also wanted to take 'Husbands in Training.'"

The course officially ended when Weaver and his brothers got married. "My mom even made certificates of completion that she signed and gave to each of us on our wedding day," he shared in his TikTok clip.

However, the video Weaver shared was so popular on TikTok that he’s making his mother’s course available to the general public. “After posting about ‘Husbands in Training’ on TikTok, the TT community really wants my mom to produce content about raising boys to be good men,” he wrote on a GoFundMe fundraising campaign in 2022.

The overwhelming response to Weaver’s TikTok has inspired a new YouTube channel to spread Mickey’s lessons far and wide. But it has also made a lot of people realize that teaching people how to be great spouses is a lifelong journey and should be a major part of child-rearing. Learning how to be a good spouse shouldn't just be something we pick up by accident.


This article originally appeared three years ago.


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Popular

Surprising 16-year-long ADHD study reveals opposite of what researchers expected

The findings shed new light on how we might one day understand and manage ADHD.

Unsplash

There's still so much to learn.

Our understanding of ADHD has come a long way in just a few short years. Though it wasn't even formally recognized as a medical condition until the 1960s, by the time the 90s rolled around, diagnoses and stimulant prescriptions were extremely prevalent. Today, diagnoses and treatment are a lot more thoughtful and individualized, and there are more options for treatment and therapy. Even with all these advancements, though, we still have more to learn.

A new long-term study published in the Journal of Clinical Psychiatry has proven to be an excellent next step in getting a better understanding of the disorder.

Researchers studied 483 participants who were diagnosed with ADHD in childhood and continued to assess them for a period of 16 years. The study's authors wanted to get a sense of how ADHD symptoms might change over time.

What the researchers found surprised them. In most participants, symptoms of ADHD fluctuated greatly over the years. What surprised them even more were the environmental factors that seemed to play a role in those fluctuations.


a close up of a human brain on a white backgroundUnderstanding our brains is an ongoing process. Photo by BUDDHI Kumar SHRESTHA on Unsplash

Researchers expected that greater life demands—like more responsibility at work, a heavier workload at school, major life changes, etc.—would exacerbate ADHD symptoms. What they found was the opposite.

It makes sense that a person that struggles with inattention or hyperactivity might have more trouble focusing when they have more "going on" and more distractions to pull them in different directions. It was a huge surprise to the researchers that, actually, people's ADHD symptoms seemed to ease up when life got hectic.

“We expected the relationship between environmental demands and ADHD symptoms to be the opposite of what we found,” study author, professor, and clinical psychologist Margaret H. Sibley explained. “We hypothesized that when life demands and responsibilities increased, this might exacerbate people’s ADHD, making it more severe. In fact, it was the opposite. The higher the demands and responsibilities one was experiencing, the milder their ADHD.”

I have a 4-year-old with ADHD and the findings totally track for me.

We find it's actually easier to be in perpetual motion sometimes—out running errands, doing activities, visiting friends and family—versus staying put too long. When we're just relaxing at home, that's when she tends to start bouncing off the walls!

Doing nothing or doing very little is not often a restful state for people with ADHD. Typically, people with ADHD experience more background noise than neurotypical brains—so a quiet, seemingly restful environment can sometimes amplify racing thoughts, negative self-talk, and impulsive behavior versus dampening it. Of course, as always in science, you have to be careful assuming causation from the findings.

a boy doing schoolwork at wooden deskQuiet can make it hard to focus. Annie Spratt/Unsplash

It's important to note that the results of the study don't definitively prove that being busy causes a decrease in ADHD symptoms. “This might mean that people with ADHD perform their best in more demanding environments (perhaps environments that have stronger immediate consequences, like needing to put food on the table for a family or pay rent monthly). It also might mean that people with ADHD take more on their plate when their symptoms are relatively at bay," Sibley says. Either way, the correlation is certainly strong and worthy of more study.

In the meantime, the study's authors think the results could be viewed in a hopeful light for people just learning to manage their ADHD. “If you’re a doctor talking with a patient who is first getting diagnosed with ADHD, it’s a huge help for that person to hear the message that, ‘You’re going to have good years and not-so-good years, but things can go really well for you if you can get the right factors in place,'” Sibley said.

We're learning more and more about what those factors are—what might exacerbate symptoms and what types of things can help—and we're starting to get a clearer picture of how people can manage this challenging disorder.


This article originally appeared last year.

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Pop Culture

Woman who lives on a cruise ship for free shares the 4 things she can’t do

Living on a ship isn’t perfect. It’s just close to perfect.

via Pixabay/Pexels

Upworthy has covered a few stories about people who decided to live permanently on cruise ships because it's cheaper than living on land or in a nursing home. These stories have connected with millions because they say a lot about the modern cost of living but are also aspirational.

Christine Kesteloo has become popular on TikTok with over 680,000 followers because she shares what living on a cruise ship is really like. Kesteloo is the wife of the ship’s Staff Chief Engineer, so she gets to live on the boat for free. She only has to pay for alcohol and soda, which she gets for half off according to Business Insider.

“I live on a cruise ship for half the year with my husband, and it's often as glamorous as it sounds,” she told Insider. “After all, I don't cook, clean, make my bed, do laundry or pay for food.“

Kesteloo’s life seems pretty stress-free. After all, she's basically on a permanent vacation. However, even though she lives on a cruise ship as a “wife on board,” there are a few things she either can’t or shouldn’t do.

She shared these four things in a TikTok video with nearly 10 million views.

@dutchworld_americangirl

I go through four things I can, and cannot do it while living on the cruise ship with my husband #weliveonacruiseship #4things #alaskacruise #cruiseship #cruiseshiplife #cruise #alaska #caribbeancruise #cruiselife #livingstsea #getreadywithme

1. No gambling

Kesteloo says she cannot sit at a slot machine and “play my heart out until I win.” She believes it would “look a little weird if I, as the wife of the staff chief engineer, won a big jackpot.”

2. Can’t leave the ship with the guests

When the ship arrives at a destination, she can't get off with the guests. She must wait about an hour and exit the vessel with the crew. When returning to the ship, she also has to be on time. “No, they will not wait for us,” she says. And the same goes for her husband, if they “miss the ship, someone else will take over the role.”

3. Sit in a crowded pool

Although Kesteloo has access to the pool, gym, and all the ship’s amenities, she’s cautious not to interfere with the guests' good time. She’ll exit the pool if it’s busy because “it’s just the right thing to do.”

4. Must have international traveler insurance

She must have insurance in case of a misfortune on the ship. But as a citizen of the Netherlands, they already have coverage and just have to pay a few extra dollars a month.

Some of the most popular commenters on the video were from women regretting that they married men who aren’t chief engineers on cruise ships or those who want to know where to find a single one.

"OK, can you explain how to marry a cruise ship engineer?" one female commentator wrote.

"How. in. the. H E double hockey sticks do I become the wife of a cruise ship engineer???? I don’t have to work AND cruise for free!" another added.

"Does he have any single friends with same job??? Asking for me," one more asked.

It's a charmed life!


This article originally appeared last year.

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Health

Longevity test: If you can hang from a bar this long, you’re likely to live longer

Hang time is a great measurement of overall health.

via Ketut Subiyanto/Pexels and Dinielle De Veyra/Pexels

How long can you hang out?

Would you really want to know how long you have to live? On one hand, it’d probably inspire you to go out and complete your bucket list. On the other, it may be depressing to know just how many days you have left. Well, science has yet to discover a way to determine the average person's life expectancy, but some indicators can show whether someone is in danger of having their life cut short by deteriorating health.

A study published by Clinical Interventions in Aging in 2019 determined that handgrip strength can be a reliable proxy for how long one has to live. One of the best ways to judge handgrip strength is to time how long you can hang from a bar. To test your grip strength, find yourself a pull-up bar, whether at a gym or local park, take a deep breath, and start hanging.

The study found that 30 seconds is a good target for women and 60 is an excellent goal for men. Therefore, if you go longer than the goal, you’re looking at a long life. But if you can’t quite get there, your life may be shorter than you’d like.



Dr. Peter Attia, founder of Early Medical and author of Outlive: The Science and Art of Longevity (2023), believes that grip strength is a great way to determine one’s overall health.

“It's just a great proxy for overall body strength and muscle mass, but I think it's also a very functional form of strength,” he said on The Drive podcast. “Basically, everything in your upper body is mediated through your hands. And if your grip is weak, everything downstream of that is weak. When you watch someone who's got a weak grip deadlifting it's very difficult for them to deadlift correctly because they don't create a proper wedge.

Doctors Eve M. Glazier and Elizabeth Ko at UCLA Health say poor grip strength is connected to numerous diseases. “Research continues to link a decline in grip strength to a range of adverse health issues, including heart disease, arthritis, osteoporosis, Type 2 diabetes and certain cancers. It has also been found to be a predictor of the likelihood of post-surgical complications, post-surgical recovery time and mortality,” they wrote on the UCLA Health blog.

Weight can also significantly affect how long a person can hang from a bar. So, do lighter people have an unfair advantage over those on the heavier side? Well, weight is also an important indicator of longevity. A study published in Aging Cellfound a direct correlation between increased body mass and decreased longevity.



The good news for people who didn’t quite make their hang time goal is that you can improve it by practicing dead hangs.

How to perform a dead hang (according to Healthline):

  • Use a secure overhead bar. Use a step or bench to reach the bar with your arms easily. You don’t want to jump straight into a dead hang.
  • Grip the bar with an overhand grip (palms facing away from you). Aim to keep your arms shoulder-width apart.
  • Move your feet off the step or bench so you’re hanging on to the bar.
  • Keep your arms straight and stay relaxed.
  • If you’re new to the exercise, hang for 10 seconds. Then, work your way up to 45 seconds to 1 minute at a time.
  • Slowly step back onto the step or bench before releasing your arms. Repeat up to 3 times if you wish.

This article originally appeared last year.
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