4 Bizarre Experiments That Should Never Be Repeated

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by Megan Wilde

1. The Real World: Mental Hospital Edition

This is the true story of three schizophrenics, who all believed they were Jesus Christ. It wasn’t long before they stopped being polite and started getting real crazy. In 1959, social psychologist Milton Rokeach wanted to test the strength of self-delusion. So, he gathered three patients, all of whom identified themselves as Jesus Christ, and made them live together in the same mental hospital in Michigan for two years.

Rokeach hoped the Christs would give up their delusional identities after confronting others who claimed to be the same person. But that’s not what happened. At first, the three men quarreled constantly over who was holier. According to Rokeach, one Christ yelled, “You oughta worship me!” To which another responded, “I will not worship you! You’re a creature! You better live your own life and wake up to the facts!”

Unable to turn the other cheek, the three Christs often argued until punches were thrown. Eventually, however, they each explained away their conflicting identities. One believed, correctly, that the other two were mental patients. Another rationalized the presence of his companions by claiming that they were dead and being operated by machines.

But the behavior of the schizophrenics isn’t even the most bizarre part. Far stranger was the way Rokeach tried to manipulate his subjects.

As part of the experiment, the psychologist wanted to see just how entrenched each man’s delusions were. For example, one of the Christs, Leon, believed he was married to a person he called Madame Yeti Woman, a 7-ft.-tall, 200-lb. descendant of an Indian and a jerboa rat. So, Rokeach wrote love letters to Leon from Madame Yeti Woman. They contained instructions, requesting that Leon sing “Onward Christian Soldiers” during group meetings and smoke a certain brand of cigarettes. Leon was so touched by the attention from his make-believe wife that he broke into tears upon receiving the letters. But when the Yeti Woman asked him to change his name, Leon felt as though his identity was being challenged. He was on the verge of divorcing his fantasy spouse when Rokeach finally dropped that part of the experiment.

At the end of their two-year stay, each man still believed he was the one and only son of God. In fact, Rokeach concluded that their Jesus identities may have become more embedded after being confronted with other Christs. Twenty years later, he renounced his methods, writing, “I really had no right, even in the name of science, to play God and interfere around the clock with their daily lives.”

2. Raging Bull

In 1963, Dr. Jose Delgado stepped into a bullring in Cordova, Spain, with a 550-lb. charging bull named Lucero. The Yale University neurophysiologist was no bullfighter, but he had a plan: to control the bull’s mind.

Delgado was among a small group of researchers developing a new type of electroshock therapy. Here’s how it worked: First, the researchers would implant tiny wires and electrodes into the skull. Then, they’d send electrical surges to different parts of the brain, sparking emotions and triggering movements in the body. The goal was to change the patient’s mental state, perking up the depressed and calming the agitated. But Delgado took this science to a new level when he developed the “stimoceiver.” The chip, which was about the size of a quarter, could be inserted inside a patient’s head and operated by remote control. Delgado envisioned the technology eventually leading to a “psychocivilized society,” in which everyone could temper their self-destructive tendencies at the press of a button.

For several years, Delgado experimented on monkeys and cats, making them yawn, fight, play, mate, and sleep—all by remote control. He was particularly interested in managing anger. In one experiment, he implanted a stimoceiver into a hostile monkey. Delgado gave the remote control to the monkey’s cage mate, who quickly figured out that pressing the button calmed down his hotheaded friend.

Delgado’s next challenge was to experiment with bulls in Spain. He began by implanting stimoceivers into several bulls and testing the equipment by making them lift their legs, turn their heads, walk in circles, and moo 100 times in a row. Then came the moment of truth. In 1965, Delgado entered the ring with a fighting bull named Lucero—a ferocious animal famous for his temper. When Lucero barreled towards him, Delgado tapped his remote control and brought the animal to a screeching halt. He tapped his remote control again, and the bull started wandering in circles.

The demonstration was hailed as a success on the front page of The New York Times, but some neuroscientists were skeptical. They suggested that, rather than quelling Lucero’s aggression, Delgado had simply confused the bull by shocking his brain and prompting him to give up his attack. Meanwhile, total strangers began accusing Delgado of secretly implanting stimoceivers into their brains and controlling their thoughts. As public fear of mind-control technology increased during the 1970s, Delgado decided to return to Spain and conduct less-controversial research. But his work on electrical brain stimulation was groundbreaking. It paved the way for present-day neural implants, which help patients manage conditions ranging from Parkinson’s disease and epilepsy to depression and chronic pain.

3. Alone in the Dark

For some people, solitary confinement is a punishment; for others, it’s a pathway to scientific discovery. In the 1960s, at the peak of the Space Race, scientists were curious how humans would handle traveling in space and living in fallout shelters. Could people cope with extreme isolation in a confined space? Without the Sun, what would our sleep cycles be like? Michel Siffre, a 23-year-old French geologist, decided to answer these Cold War questions by conducting an experiment on himself. For two months in 1962, Siffre lived in total isolation, buried 375 feet inside a subterranean glacier in the French-Italian Maritime Alps, with no clocks or daylight to mark time.

Inside the cave, temperatures were below freezing, with 98 percent humidity. Constantly cold and wet, Siffre suffered from hypothermia, as massive chunks of ice regularly crashed down around his tent. But during his 63 days underground, he only dabbled in madness once. One day, Siffre started singing at the top of his lungs and dancing the twist in his black silk tights. Other than that, he behaved relatively normally.

When Siffre emerged on September 14, he thought it was August 20. His mind had lost track of time, but, oddly enough, his body had not. While in the cave, Siffre telephoned his research assistants every time he woke up, ate, and went to sleep. As it turns out, he’d unintentionally kept regular cycles of sleeping and waking. An average day for Siffre lasted a little more than 24 hours. Humans beings, Siffre discovered, have internal clocks.

The experiment’s success made Siffre eager to conduct more research. Ten years later, he descended into a cave near Del Rio, Texas, for a six-month, NASA-sponsored experiment. Compared to his previous isolation experience, the cave in Texas was warm and luxurious. His biggest source of discomfort were the electrodes attached to his head, which were meant to monitor his heart, brain, and muscle activity. But he got used to them, and the first two months in the cave were easy for Siffre. He ran experiments, listened to records, explored the cavern, and caught up on his Plato.

On day 79, however, his sanity started to crack. He became extremely depressed, especially after his record player broke and mildew began ruining his magazines, books, and scientific equipment. Soon, he was pondering suicide. For a while, he found solace in the companionship of a mouse that occasionally rummaged through his supplies. But when Siffre tried to trap the mouse with a casserole dish to make it his pet, he accidentally crushed and killed it. He wrote in his journal, “Desolation overwhelms me.”

Just when the experiment was nearing its end, a lightning storm sent a shock of electricity through the electrodes on his head. Although the pain was excruciating, depression had so dulled his mind that he was shocked three more times before he thought to disconnect the wires.

Yet again, the Texas cave experiment yielded interesting results. For the first month, Siffre had fallen into regular sleep-wake cycles that were slightly longer than 24 hours. But after that, his cycles began varying randomly, ranging from 18 to 52 hours. It was an important finding that fueled interest in ways to induce longer sleep-wake cycles in humans—something that could potentially benefit soldiers, submariners, and astronauts.

4. For the Love of Dolphins

Perhaps the most troubling experiment in recent history is the dolphin-intelligence study conducted by neuroscientist John C. Lilly in 1958. While working at the Communication Research Institute, a state-of-the-art laboratory in the Virgin Islands, Lilly wanted to find out if dolphins could talk to people. At the time, the dominant theory of human language development posited that children learn to talk through constant, close contact with their mothers. So, Lilly tried to apply the same idea to dolphins.

For 10 weeks in 1965, Lilly’s young, female research associate, Margaret Howe, lived with a dolphin named Peter. The two shared a partially flooded, two-room house. The water was just shallow enough for Margaret to wade through the rooms and just deep enough for Peter to swim. Margaret and Peter were constantly interacting with each other, eating, sleeping, working, and playing together. Margaret slept on a bed soaked in saltwater and worked on a floating desk, so that her dolphin roommate could interrupt her whenever he wanted. She also spent hours playing ball with Peter, encouraging his more “humanoid” noises and trying to teach him simple words.

As time passed, it became clear that Peter didn’t want a mom; he wanted a girlfriend. The dolphin became uninterested in his lessons, and he started wooing Margaret by nibbling at her feet and legs. When his advances weren’t reciprocated, Peter got violent. He started using his nose and flippers to hit Margaret’s shins, which quickly became bruised. For a while, she wore rubber boots and carried a broom to fight off Peter’s advances. When that didn’t work, she started sending him out for conjugal visits with other dolphins. But the research team grew worried that if Peter spent too much time with his kind, he’d forget what he’d learned about being human.

Before long, Peter was back in the house with Margaret, still attempting to woo her. But this time, he changed his tactics. Instead of biting his lady friend, he started courting her by gently rubbing his teeth up and down her leg and showing off his genitals. Shockingly, this final strategy worked, and Margaret began rubbing the dolphin’s erection. Unsurprisingly, he became a lot more cooperative with his language lessons.

Discovering that a human could satisfy a dolphin’s sexual needs was the experiment’s biggest interspecies breakthrough. Dr. Lilly still believed that dolphins could learn to talk if given enough time, and he hoped to conduct a year-long study with Margaret and another dolphin. When the plans turned out to be too expensive, Lilly tried to get the dolphins to talk another way—by giving them LSD. And although Lilly reported that they all had “very good trips,” the scientist’s reputation in the academic community deteriorated. Before long, he’d lost federal funding for his research.

10 Common Road Hazards and How to React to Them

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iStock.com/LeManna

James Solomon has been a defensive driving expert with the National Safety Council for 34 years. He has taught driving courses for 47 years. And one of the best pieces of advice he can give has absolutely nothing to do with an automobile.

“If it sounds like there might be inclement weather the next day,” Solomon tells Mental Floss, “set your alarm an hour early. You’ll have enough time to get up, clean your car off, and drive slowly.”

That's especially sound advice for a good part of the country, as the winter season means more driving perils, including poor visibility, snowbanks, and ice. Other road hazards like fog, deer, and road-hogging commercial trucks never seem to take a break. For some practical advice on what to do in these situations, we asked Solomon to break down 10 common driving obstacles and the best ways to cope with them. Here’s what he had to say.

1. DRIVING ON ICY ROADS

A sign warns of a slippery road ahead
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Nothing can jolt a driver like the sudden loss of control of their automobile after hitting a slick patch of pavement. While some ice is noticeable, “black ice”—which occurs when ice has thawed and re-frozen—can be hard to spot.

What to Do: If your car goes into a skid or loses traction, the best thing to do is remove your foot off the accelerator. “You don’t want power of any kind going to the wheels,” Solomon says. If you have standard braking, keep your foot entirely off the brake. If you have an automatic braking system (ABS), which is pretty much standard in most newer cars, you want to push the pedal down and wait for the car to regain traction. Don’t pump the pedal: The ABS can pulsate the brakes faster than your foot can.

You also want to turn the wheel in the direction you want the front of the car to go. “Once the vehicle begins to straighten out, counter-steer in the opposite direction,” Solomon says. “Steering and counter-steering should be done three to five times while braking.” Keep doing it until you feel the wheels grip the pavement.

2. GETTING STUCK IN A SNOW BANK

A car tire is stuck in snow
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After a heavy snowfall, you might return to your car to find the wheels surrounded by snow. As they spin, they can’t find any grip on the slick powder, and you’re going nowhere fast.

What to Do: A little foresight is best here. Solomon advises you keep a shovel, brush, and a pair of traction mats in your trunk. (Kitty litter may also work for traction, but the mats are reusable.) If you’re stuck, make sure you have enough room to move the car forward and backward and that there isn’t any snow blocking the exhaust pipe. Clear the snow away from the wheels and try moving forward or in reverse. If that doesn’t work, put the mats under the front wheels (for front-wheel drive) or under the back wheels (for a rear-wheel drive). Once the wheels are on the mat, try turning to get away from the snow. Solomon cautions to watch out for passing traffic, as other drivers might have trouble spotting you.

3. DRIVING IN HEAVY RAIN

Heavy rain falls on a car windshield
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People don’t always think of a torrential downpour the same way they think of a snowstorm, but heavy rain can impede visibility and cause hydroplaning, where the wheels come off the pavement and onto the surface of the water, causing drivers to lose control.

What to Do: For any type of driving in the rain, make sure your tire tread depth is no less than 5/32 of an inch, and preferably much more: new tires typically start around 10/32 of an inch. A worn tire at 2/32 of an inch is asking for a crash, as the stopping distance of a car is increased and traction is reduced. You can estimate depth by sticking a penny upside-down in the tread: If the top of Lincoln's head is visible, it's time for new tires.

Solomon also recommends changing your wipers regularly: a more durable winter blade, a March rain blade, and another August rain blade. And make sure they’re not being held back by your cleaning habits. “If you’re going through car washes and they’re using wax, the wipers are going to be sliding over that,” he says. A wax stripper found at automotive stores can erase that residue, clearing your windshield and allowing your wipes to make better contact with the glass. “The first time you spray it on, you’ll get a crusty, filmy look, which is all the wax you’re dissolving.”

If your windshield is clean but the rain is still obscuring your vision, then you’re probably driving too fast for the wipers to clean the glass efficiently. If it’s that bad, pull over to the side of the road and wait for the downpour to ease up. But never, ever park under an overpass. “You’re a sitting duck there,” Solomon says. “You’re stopped with a guardrail or pillar next to you and your transmission locked. If you’re struck by another vehicle, there’s no place for your car to go. That’s a huge amount of weight hitting you.”

4. BLINDED BY GLARE

A driver observes sun coming through the car windshield
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Winter or summer, the sun sometimes has a way of shining through your windshield just the right angle to effectively blind you. Keeping a pair of sunglasses handy is the best solution, but there are a few other ways to cope.

What to Do: “All cars come equipped with a sun visor,” Solomon says. “The problem is when people pull it down and the edge is pointed at your nose. In a collision, your face will slam right into it.”

Instead, pull the visor down and then push it all the way toward the windshield, then slowly bring it forward until it blocks the sun. (The bottom should still be pointed away from you and toward the windshield. Solomon also keeps a baseball cap in his car so he can use the bill to block the sun without obstructing his view. If glare is coming from the left-side window, remember that most visors are detachable on one end and should be able to pivot and block peripheral light.

5. A TIRE BLOWOUT

A car tire rests on the ground after a blowout
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While some tires may pick up a stray nail or sharp object and deflate slowly, others lose pressure suddenly. If you’re down to three good tires, you’re no longer in a position to drive safely on the road.

What to Do: “The big mistake people make with a sudden loss of pressure is to hit the brake and stop to save the tire,” Solomon says. “But if the air went out that quick, the tire is gone.”

Instead of trying to salvage the tire, focus on getting off the road. If you’ve lost pressure, you want to continue traveling in a straight direction until you can stop. If the tire’s sidewall blows out, the car will probably move in the opposite direction of the break. A blown front right tire will cause the vehicle to drift left, for example. “Drive with two hands on the wheel, put your emergency flashers on, check your mirrors, and get over to the right shoulder of the road if at all possible,” Solomon says. “If you’re in a skid, you may have to keep your foot on the accelerator a little bit to force the wheel to move forward.”

Check your tire pressure at least once a week, especially in winter, when the pressure can drop. But if it suddenly turns warmer, make sure to let the air escape. An overinflated tire can cause the side tread to leave the surface, leaving only the center tread in contact with the road. Your owner's manual or a label inside of the driver's side door will tell you the correct tire pressure for the vehicle.

6. BRAKE FAILURE

A foot presses on a brake pedal
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The ability to stop a vehicle is probably the most important function of all, and when it fails, it’s easy for panic to set in. If you’re pushing the brake pedal and nothing is happening, you need to take immediate action.

What to Do: First, don’t assume your brake lights are still working. “Hit your emergency flashers and pump the brake quickly three or four times,” Solomon says. If that doesn’t work, you need to take a lightning-fast look at the floor mat. It’s not uncommon for the mat to get bunched up behind the brake pedal, making it hard to move. Dislodging it while the vehicle is in motion is dangerous, so prevention is key: Make sure your mat is the right fit for your vehicle, is snapped in place if that option is available, and that you haven't stacked mats on top of each other.

If that looks clear, then go into neutral. “You want to deprive the car of forward motion,” Solomon says. Once you’re in neutral, take your emergency brake—typically a lever with a button on the side console—and begin pumping it up and down. (Some cars have an electronic brake that only requires a button push. Read your owner’s manual.) The brake should lock up the rear wheels and allow the car to come to a stop.

7. SOMEONE IS TAILGATING YOU

A car is seen in a rearview mirror
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Having a vehicle riding too close to your rear bumper can be a nerve-wracking experience. If you need to brake suddenly, the car is likely to collide with yours. If you honk, flash your lights, or make an insulting hand gesture, you run the risk of antagonizing someone who is already behaving irrationally.

What to Do: “What I want to do is encourage them to pass me,” Solomon says. “If I can, I’ll signal, move to the right-hand lane, and that will generally take care of it.” If you can’t, wait for an intersection so you can make a right turn or drive into a service station. Just don’t engage them: “There’s nothing you’re going to do to stop them from tailgating you. Tricks like tapping your brakes—well, no, you’re dealing with an aggressive person and you’re only going to make them more angry.”

8. GETTING STUCK BEHIND A COMMERCIAL TRUCK

Commercial trucks take up both lanes of a road
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Feeling the rush of wind that accompanies a passing 18-wheeler can give you a healthy respect for these road behemoths. If you’re behind one, they can make it difficult to see what’s ahead. If you’re behind two, or in the middle of them, you might start to feel trapped.

What to Do: It’s important to determine whether the truck driver is aware of your existence before you attempt to pass. “If I can’t see the driver’s rear-view mirror, he can’t see me,” Solomon says. “If I can see their reflection, then they can probably see me.”

A good rule of thumb is to add an extra second of following distance to the recommended three seconds for most drivers. (Following distance is the amount of time it would take for your car to pass a landmark, like a roadside sign, after the driver in front of you has passed it.) In bad weather, Solomon says to increase it to seven or even 12 seconds to avoid debris and snow hitting your windshield.

If you’re stuck between trucks on a three-lane highway, decrease your speed by about five miles and let both trucks overtake you. Eventually, one will go faster than the other, and you’ll be able to choose your lane. The same holds true for buses.

9. DRIVING IN FOG

A road is covered in fog
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It makes for fine gothic horror movies and ‘80s music videos, but fog is otherwise a hazard. Driving through it can reduce visibility in a manner similar to a bad snowfall.

What to Do: Your instinct might be to put on your high beams to better illuminate the road ahead. Don’t. “You’ll wind up seeing less,” Solomon says. “The beam shines further into the fog and reflects off the water particulates, shining the light right back into your eyes.” Instead, keep your lights dim and slow down.

10. DEER CROSSINGS

A deer crossing sign is posted next to a road
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Back roads can often be nestled directly in the path of deer, animals that have no understanding of passing traffic and can appear out of nowhere. Even if you manage to avoid hitting one, a yearling could be nearby, ready to do serious damage in a collision. In this case, responsibility falls strictly on you to avoid an accident. “Deer don’t look both ways before crossing,” Solomon says.

What to Do: If you’re in deer country and it’s dark, you can try flashing your headlights to get a deer’s attention. They might take it as a sign to hang back. If you see a deer up ahead, take your foot off the gas to slow your speed, then flash your lights. This may make it run off the road. If not, it’s time to brake: Swerving off the road at highway speeds is risky and can cause serious injury to the driver and passengers. Always read the road ahead. You don’t want an animal that large smashing through your windshield. And as bad as it may sound, it will be even worse if they survive the impact. “If it’s not dead, it will be kicking, with sharp hooves and antlers,” Solomon says.

Get to the side of the road immediately and exit the car. If traffic is high or the road is narrow, go through the passenger’s side door. Above all, take the deer crossing signs seriously and go slow. “When you see those signs, it wasn’t because the state or county had some extra money and thought they’d go put them up,” Solomon says. “It means there have been problems with deer crossing the road.”

5 Holiday Foods That Are Dangerous to Pets

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iStock/svetikd

One of the best parts of the holiday season is the menu of indulgent food and drinks that comes along with it. But while you enjoy that cup of spiked hot cocoa, you’ve got to be careful your dog or cat doesn’t nab a lick. Here are five holiday treats that are dangerous for your pets, according to Vetstreet.

1. COFFEE

Any coffee lover will agree that there’s nothing quite like an after-dinner cup of joe on a cold night. But pups, kitties, and other pets will have to sit this tradition out. Caffeine can prompt seizures and abnormal heart rhythms in pets, and can sometimes be fatal. Other caffeinated drinks, such as soda or tea, should also be kept away from your four-legged family members.

2. BREAD DOUGH

We know the threat that bread dough poses to the appearance of our thighs, but it’s much more dangerous to our furry little friends. Holiday bakers have to be careful of unbaked bread dough as it can expand in animal stomachs if ingested. In some dogs, the stomach can twist and cut off the blood supply, in which case the pup would need emergency surgery.

3. CHOCOLATE

Cat and dog in Santa hats chowing down on plates of food
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A little chocolate never hurt anybody, right? Wrong. The sweet treat can cause seizures and even be fatal to our pets. Darker chocolate, such as the baker’s chocolate we love to put in our holiday cookies, is more toxic to our pets than milk or white chocolate. The toxic ingredients include caffeine and theobromine, a chemical found in the cacao plant.

4. MACADAMIA NUTS

Macadamia nuts, which are a common ingredient in holiday cookies and often put out to munch on as an appetizer, can be toxic to dogs. While poisoning might not always be easy to detect in a pet, clinical warning signs include depression, weakness, vomiting, tremors, joint stiffness, and lack of coordination.

5. ALCOHOL

Think back to when you first started drinking and how much less alcohol it took to get you tipsy, because you likely weighed less than you do now. Well, your pet probably weighs a lot less than you did, even back then, meaning it takes much less alcohol to make them dangerously sick. Keep those wine glasses far out of reach of your pets in order to avoid any issues. Well, maybe not any issue: We can’t promise that this will stop you from getting embarrassingly drunk at a holiday party this year.

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