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6 surprising, scientifically-backed ways to cool down quickly during a heat wave

Some of this advice may seem counterintuitive, but it may help you beat the heat.

man sweating and drinking a sports drink
Ketut Subiyanto/Canva

Heat waves are hitting across the globe, and getting worse every year.

Phoenix is known for its scorching hot summers, with temperatures sitting at or above 100 degrees for much of the season. But even those seasoned by the Sonoran sun are struggling with nearly three weeks straight of high temps over 110 degrees, with overnight lows not dipping below 90 degrees for days on end.

(Having lived in the Valley of the Sun myself, I can attest that, yes, there is a significant difference between 100 and 110 degrees. At 100, you can still legitimately pull the "But it's a dry heat!" card. Over 110 is just miserable, not to mention dangerous.)

The Southwest isn't the only place experiencing record heat. The Lower Mississippi Valley and Florida are feeling it, and globally we're seeing parts of Europe and Asia breaking their own heat records as well.

With the globe predictably heating up due to climate change, there doesn't appear to be much end in sight for extra-oppressive heat waves. So aside from taking the necessary steps to curb climate change, we have to focus on how to cool ourselves down. There's a lot of conflicting advice out there, but here are some scientifically-backed ways to cool your body down quickly, especially if you don't have air conditioning or access to a pool or lake or river nearby.

1. Focus on cooling your hands and feet.

Everyone seems to have a different body part to focus on first for the quickest cool-down—your face, your neck, your wrists, etc.—but according to Professor Mike Tipton from the Extreme Environments Laboratory at the University of Portsmouth, the hands are where it's at.

"Your hands have a high surface area to mass area—they have lots of blood flowing in them when you’re hot. If your core temperature is hot, your body will send blood to the extremities in order to lose heat,” Tipton told Science Focus.

“Immersing your hands in cold water won’t feel as nice, but it’ll cool you much faster than even an ice bath! It’s so important to make a distinction between things that make you feel cooler and things that actually make you cooler.”

Cooling your feet works for the same reasons. We have lots of blood flow to our feet, so immersing them in cool water (not ice water, as that causes the blood vessels to constrict and reduce blood flow) can help cool you down quickly.

2. Try drinking hot liquids.

Yes, drinking cold drinks feels amazing when you're hot, but some experts say hot drinks can actually do more to help your body's natural cooling system work more efficiently. Ollie Jay, a researcher at the University of Ottawa’s School of Human Kinetics, explains why.

“What we found is that when you ingest a hot drink, you actually have a disproportionate increase in the amount that you sweat,” Jay told The Smithsonian. “Yes, the hot drink is hotter than your body temperature, so you are adding heat to the body, but the amount that you increase your sweating by—if that can all evaporate—more than compensates for the added heat to the body from the fluid.”

The one caveat is that the increased sweat has to have someplace to evaporate, so take humidity levels into consideration.

“On a very hot and humid day, if you’re wearing a lot of clothing, or if you’re having so much sweat that it starts to drip on the ground and doesn’t evaporate from the skin’s surface, then drinking a hot drink is a bad thing,” Jay added. “The hot drink still does add a little heat to the body, so if the sweat’s not going to assist in evaporation, go for a cold drink.”

3. Try some spicy foods, too.

Have you ever noticed that tropical places often have the spiciest foods? There are several theories for why that is, but one of them may be that spicy foods can actually help you stay cool.

Similarly to drinking hot beverages, eating spicy food makes you sweat, and sweat is the body's main cooling system. (Again, though, the effectiveness of this approach depends on your sweat being able to evaporate, so you may not benefit from your mouth burning if you're in a very hot and humid climate.)

4. Ditch the fan if it's extremely hot AND extremely dry or humid.

Fans can provide a nice breeze to help you cool down, but many public health agencies have recommended against using fans above 95 degrees F (35 degrees C).

However, Ollie Jay and 12 colleagues published a study in 2021 that found humidity levels make a difference in whether fans are actually effective for cooling in extremely high temperatures. Essentially, if temps are extreme and conditions are very dry or very humid, fans can make things worse. But as Science Alert points out, those conditions are not the norm in most places. When humidity is moderate, the temperature at which fans are effective can be higher than 95 degrees.

"[T]here are many locations on Earth where fan use could be safely recommended as an alternative to air conditioning all of the time despite air temperature exceeding the currently recommended threshold of 35 °C," the authors wrote.

(However, it is important to note that fans increase the risk of dehydration, so always make sure you're drinking plenty of fluids. And for older adults, fan use is not as effective as it is for younger people and can actually result in raising their body temperatures. So it's important that elderly folks and their caregivers follow heat guidance specifically for older adults.)

5. Just say no to the cold beer—or any alcoholic or caffeinated beverage

Cracking open a cold one may sound incredibly refreshing when you're sweltering, but alcohol and heat actually make poor bedfellows. That's because alcohol actually dehydrates you. Same goes for caffeine. And the fact that they are liquids is especially deceptive because they give you a false sense of hydration.

“If you’re drinking a lot of beer or alcoholic seltzer, it can feel like you’re taking in a lot of liquid and staying hydrated,” registered dietitian Julia Zumpano, RD, LD, tells the Cleveland Clinic. “But the alcohol offsets that because of the dehydrating factor.”

(If you're interested in the biological reason for alcohol being dehydrating, it reduces the release of vasopressin, an antidiuretic hormone (ADH) that works with your kidneys to keep your body fluids balanced. Alcohol is also a diuretic, which means it increases the fluid being pulled out of your body as urine.

Hydration is key to making it through a heat wave, so drink aplenty, but make it water. (And start hydrating early in the day. Keeping water near you at all times and continually drinking throughout the day will go a long way toward preventing heat illness.)

6. Try dabbing on some peppermint oil

I know, I know. Essential oils are quack cures and whatnot. But in this case, even though it doesn't drop your core temperature, there really is a scientific basis for topical peppermint oil making you temporarily feel cooler.

Menthol, the primary ingredient in peppermint oil, has been shown to induce a cooling sensation. If you've ever sucked on a menthol cough drop, you know the feeling. Peppermint oil creates a similar sensation on the skin, which can provide some psychological relief from the heat, even if it's not actually reducing your body temperature.

In one study, a menthol gel was found to have a longer cooling effect than either ice or a placebo gel on healthy males. But anecdotally, a few dabs of peppermint oil on my wrists, neck and inside my elbows provides some instant cooling relief on very hot days. When it's brutally hot outside, any bit of relief helps.

There are plenty more tips for beating the heat, from wearing light-colored clothing to avoiding strenuous activity, but the big takeaway from this list is helping our body's built-in cooling system work as well as it possibly can during extreme heat.

For more information about the dangers of heat waves and how to prevent heat illness, check out the American Red Cross extreme heat safety tips here.

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Culture

High school salutatorian's Goth yearbook photo is going viral for the best reasons

Smart look.

via Jules Lipoff / Twitter

Back in April 2021, then-17-year-old Weronika Jachimowiczv got a lot of attention for subverting people's expectations of who excels in high school. And that's exactly what she wanted.

Jachimowicz was named New York's Mattituck-Cutchogue Union Free School District's 2021 salutatorian. Her yearbook photo next to valedictorian Luke Altman is going viral because of her dramatic Goth makeup and attire.

It all started when assistant professor and writer Dr. Jules Lipoff tweeted out a photo of the valedictorian and salutatorian he saw in a newspaper and it went viral. How many salutatorians have you seen that wear pentagram hoop earrings, a choker, and black devil horns?

The juxtaposition of her next to the bowtie-wearing Altman, makes the photo even more amusing.

Jachimowicz wanted the world to know that just because a high school kid looks like an outsider, doesn't mean they aren't interested in academics or sports.

In fact, it's completely normal for kids who are interested in the Goth subculture to be good students.

"The scene has quiet middle-class values — education, highbrow culture, theatre, museums, romantic literature, poetry, philosophy, Gothic architecture," Dr. Dunja Bril, who studies Goth culture in England, told The Independent.

"Many Goths like classical music. It's a status symbol to have a good collection of classical pieces — mostly requiems and darker pieces," she added.

"Going to do a university degree is encouraged," Bril continued. "It doesn't encourage people to drop out of school. Whereas in the Punk scene you turn down the normal educational values, in Goth you gain status if you're perceived as being educated. You get people who are in it for the shock value, but they are usually the ones who grow out of it."


Since her photo went viral, Jachimowicz has received countless messages of thanks from young people who say she's inspired them to express themselves.

"In all honesty, that's all I wanted. I wanted to help anyone I could who is struggling with expressing themselves because I've been in the exact same position," Jachimowicz told Yahoo. "When people message me telling me how I have given them the confidence to be who they truly are, I almost cry from happiness."

Jachimowicz says that she was able to be herself because she was encouraged by others, so this is her chance to pay it forward.

"I was always trying to please others and be like what everyone else wanted me to be, or at least try to fit into what was 'normal.' However, I did slowly start to realize that it's OK to be different," she said.

"I've met people in my life who gave me the confidence to fully be myself," she added.

In addition to having an unweighted GPA of 97.27%, Jachimowicz was on the fencing, ping pong, and winter track teams. She was also a member of the National Honor Society, Students Against Drunk Driving, and the Unity Club.

She plans to major in biology/forensics in college.

Jachimowicz's accomplishments are another reason to never judge someone for how they look or their interests. Just because someone is wearing satanic earrings doesn't mean they aren't highly intelligent or athletic.

She believes the most important thing is to be yourself, regardless of what anyone else thinks.

"Even if others don't really like my style, it's what makes me happy and I've worked hard to finally come to that conclusion," she said.


This article originally appeared on 4.12.21

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Science

What will Earth look like if all its land ice melts? Here's your answer.

Climate change isn't pretty.

via Business Insider Science/YouTube.

A map of the United States post land-ice melt.


Land ice: We got a lot of it.

Considering the two largest ice sheets on earth — the one on Antarctica and the one on Greenland — extend more than 6 million square miles combined ... yeah, we're talkin' a lot of ice.

But what if it was all just ... gone? Not like gone gone, but melted?

If all of earth's land ice melted, it would be nothing short of disastrous.

And that's putting it lightly.

This video by Business Insider Science (seen below) depicts exactly what our coastlines would look like if all the land ice melted. And spoiler alert: It isn't great.

Lots of European cities like, Brussels and Venice, would be basically underwater.

In Africa and the Middle East? Dakar, Accra, Jeddah — gone.

Millions of people in Asia, in cities like Mumbai, Beijing, and Tokyo, would be uprooted and have to move inland.

South America would say goodbye to cities like Rio de Janeiro and Buenos Aires.

And in the U.S., we'd watch places like Houston, San Francisco, and New York City — not to mention the entire state of Florida — slowly disappear into the sea.

All GIFs via Business Insider Science/YouTube.

Business Insider based these visuals off National Geographic's estimation that sea levels will rise 216 feet (!) if all of earth's land ice melted into our oceans.

There's even a tool where you can take a detailed look at how your community could be affected by rising seas, for better or worse.

Although ... looking at these maps, it's hard to imagine "for better" is a likely outcome for many of us.

Much of America's most populated regions would be severely affected by rising sea levels, as you'll notice exploring the map, created by Alex Tingle using data provided by NASA.

Take, for instance, the West Coast. (Goodbye, San Fran!)

Or the East Coast. (See ya, Philly!)

And the Gulf Coast. (RIP, Bourbon Street!)

I bring up the topic not just for funsies, of course, but because the maps above are real possibilities.

How? Climate change.

As we continue to burn fossil fuels for energy and emit carbon into our atmosphere, the planet gets warmer and warmer. And that, ladies and gentlemen, means melted ice.

A study published this past September by researchers in the U.S., U.K., and Germany found that if we don't change our ways, there's definitely enough fossil fuel resources available for us to completely melt the Antarctic ice sheet.

Basically, the self-inflicted disaster you see above is certainly within the realm of possibility.

"This would not happen overnight, but the mind-boggling point is that our actions today are changing the face of planet Earth as we know it and will continue to do so for tens of thousands of years to come," said lead author of the study Ricarda Winkelmann, of the Potsdam Institute for Climate Impact Research.

If we want to stop this from happening," she says, "we need to keep coal, gas, and oil in the ground."

The good news? Most of our coastlines are still intact! And they can stay that way, too — if we act now.

World leaders are finallystarting to treat climate change like the global crisis that it is — and you can help get the point across to them, too.

Check out Business Insider's video below:

This article originally appeared on 12.08.15

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Culture

A guy definitively listed the 12 things that make men happy and it's 100% accurate

Guys literally only want one thing and it's a cool stick.

Nolan Reid / TikTok

There's an old joke slash meme that goes something like this:

"Guys literally only want one thing and it's disgusting."

Its used to imply, obviously, that men are shallow and crude creatures.

TikTok creator and simple-life advocate Nolan Reid, however, has a different idea of what men really want.


Nolan recently made a video about "Little things in life that make men happy."

The hilarious list includes:

  • A fridge full of beer.
  • Drinking said beer in the garage. With your dog. And a good buddy.
  • Finding a cool stick.
  • Kicking a rock.
  • Staring at water.
  • Dropping rocks into said water.

As a fellow man, I would say: Yeah. That pretty much covers it.

It really doesn't take much! Watch Nolan's full video to see the rest, and just appreciate how much joy and satisfaction he gets from these simple thing.

People loved Nolan's list – so much so that they began adding their own ideas of "simple things men love."

The video racked up hundreds of thousands of views across TikTok and Instagram.

One commenter wrote, "He just described my whole personality." Another added, "This guy gets it."

Others chimed in with their own additions to the list, like staring at a fire for hours. Or just peace and quiet.

But most of the nearly 200 comments were just people chiming in to say one thing:

"Hell yeah."

Finally, someone who understands us.

Nolan's ultra-relaxed vision of "masculinity" is honestly so refreshing.

Men on social media are usually bombarded with the Andrew Tates and Jordan Petersons of the world, influencers who constantly berate us to make more money, lose weight and add muscle, sleep with more women, take charge, relentlessly self-improve.

I like Nolan's much chiller idea of masculinity. It reminds me of being a kid, taking pleasure in the simple things, not racing to be anywhere, not trying to impress anyone or prove anything.

Nolan's entire account is a breath of fresh air, an antidote to hustle culture. His videos find joy in:

  • Breaking down cardboard boxes
  • Driving at sunset
  • Going fishing
  • Throwing a frisbee
  • Wearing t-shirts
A daily visit to his page is almost like a meditation. I highly recommend giving him a follow to add a little counterprogramming to your social media feed.

Nolan says in another recent video that he started making TikToks and Instagram reels just for fun, but discovered along the way that he was really passionate about the message.

"I never thought that my simple living and love for little things would resonate with so many of you."

He said he hopes to inspire people to "take a step back and enjoy the good simple things in life."

I suddenly have the urge to go chuck a rock into a river, so I would say: Mission Accomplished!

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Pop Culture

Dad's TikTok for son showing what his 80s childhood was like is total Gen X nostalgia

Take a trip down memory lane.

@shadyraro/TikTok

TikTok about '80s childhood is a total Gen X flashback.

As a Gen X parent, it's weird to try to describe my childhood to my kids. We're the generation that didn't grow up with the internet or cell phones, yet are raising kids who have never known a world without them. That difference alone is enough to make our 1980s childhoods feel like a completely different planet, but there are other differences too that often get overlooked.

How do you explain the transition from the brown and orange aesthetic of the '70s to the dusty rose and forest green carpeting of the '80s if you didn't experience it? When I tell my kids there were smoking sections in restaurants and airplanes and ashtrays everywhere, they look horrified (and rightfully so—what were we thinking?!). The fact that we went places with our friends with no quick way to get ahold of our parents? Unbelievable.


One day I described the process of listening to the radio, waiting for my favorite song to come on so I could record it on my tape recorder, and how mad I would get when the deejay talked through the intro of the song until the lyrics started. My Spotify-spoiled kids didn't even understand half of the words I said.

And '80s hair? With the feathered bangs and the terrible perms and the crunchy hair spray? What, why and how?

In some ways, that era was simpler. We weren't bombarded with information and opinions about every issue in the world 24/7 and had the freedom to just be kids. At the same time, I personally have no desire to go back. (My straight, fine hair was not made for the '80s.)

However, one dad is bringing full-on nostalgia to millions of Gen Xers with a viral TikTok he made about sharing his '80s childhood with his 8-year-old son. Justin H (who goes by @shadyraro on TikTok) included photos and descriptions of things all '80s kids will recognize and it's like hopping into a time machine.

Like, the unwound cassette tape struggle was genuinely real. Grab a pencil, start winding and pray. "The A-Team"? Totally. Streetlight curfew? Yep.

@shadyraro

The 80’s was the best decade #80s #80skid #oldschool #genx #parents #funny #family #foryou #fyp

The video has been viewed more than 10 million times this week, with commenters neck-deep in their feelings about their childhood flashbacks.

"I miss them days, technology has taken away so much," wrote one commenter.

"Miss the 80s era but unfortunately us kids were the remote control," wrote another. (So true. Changing the channel was exercise.)

"The 80's cannot be explained...it was an experience...a complete vibe all its own...and if you missed it I'm so sorry for you!" wrote another.

And if you feel like there were some things missing, no worries. There's a Part Two:

@shadyraro

The 80’s was the best decade Part 2 #80s #80skid #oldschool #genx #parents #funny #family #foryou #fyp

The ashtray in the back of the car seat! The phone booth! The Walkman! The overhead projector. So my childhood. I can practically taste the Tang and Twinkies.

Kids today will never know the ugly beauty of growing up in the '80s, but someday they'll have their own tales to tell their kids that they'll look on with fondness and nostalgia. "We used to spend hours building things with little digital blocks in Minecraft…"

There's never been anything like the '80s and there never will be again. Thanks for the trip down memory lane, Justin H.


This article originally appeared on 05.21.22

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Doctor finally settles the debate of morning vs. nighttime showers

One definitely has more "things going for it."

@drjasonisfresh/TikTok, Representative Image from Canva

Dr. Jason Singh explains the pro and cons of showering at night and in the morning.

Dr. Jason Singh, who has all kinds of medical insights on TikTok, recently weighed in on the topic he joked was “more debatable than pineapple on pizza.”

That debate would be whether it’s better to shower in the morning, or at night.

You would think the “right answer” would be largely up to personal preference, much like which way to face while showering and whether or not to snack in the shower…two previous hot button issues online.

But according to Singh, there are definitive pros and cons to each option, which could settle the debate once and for all.

Singh says in the clip that overnight, “your body can accumulate germs such as bacteria and fungus” through “processes like sweating and shedding skin cells,” all of which help create odor. When you shower off this residue in the AM, it brings your “skin microbiome back to a more hygienic baseline.”

Makes a pretty compelling case for morning showers, doesn’t it? Just wait.

Singh went on to say that nighttime showering has “ ‘three things going for it.”

One, it helps release melatonin to help induce sleep. Plus, when your body adjusts from a warmer temperature to a cooler temperature, that also helps your body prepare for a good night’s rest.

The second benefit is that it washes away “the entire day’s grime.” Which, let’s be honest, can be very therapeutic sometimes. And lastly, showering at night is the ‘better way to help hydrate your skin,” making it a better option for those with sensitive or dry skin.

Singh’s bottom line: “Overall night-time showers have more benefits to it but morning showers have really one benefit and that’s better hygiene.”

@drjaysonisfresh

More debatable than pineapple on pizza

♬ original sound - Dr. Jason Singh

Singh encouraged viewers to weigh in with their own opinions, and they didn’t hold back.

“You will never convince me to go to bed dirty,’ person wrote. Another argued “The worst part about night time showers is long, wet hair. I hate going to bed with wet hair!”

There ended up being some pretty funny responses as well. One person joked that they opted for morning showers since it helps them “Get my head together. Generate a to-do list. Fight with pretend people.”

Another person noted that timing preferences can be dictated by their schedule, commenting, “might showers during the work week and morning showers on the weekends.”

Many argued that two showers a day was the actual best option. That way you don’t go to bed dirty, and you're fresh for the morning.

Obviously, showering at any time consistently is perfectly find, but Dr. Singh offered some valuable food for thought.

Of course, you could always follow in this viewer’s footsteps, whole wrote:

“I prefer to roll around in dust like a chinchilla.”


This article originally appeared on 3.5.24

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