It was winter. It was raining. And Nathan Copeland was driving home.
Image via iStock.
Copeland, then 18, lived in Pennsylvania. He was coming home from Penn State Fayette at night and road conditions were poor. Copeland was only a few minutes away from his house when he wrecked his car.
"I ended up taking a turn too fast," he said in a video from the University of Pittsburgh Medical Center.
The accident broke Copeland's neck and damaged his spinal cord. Medics airlifted him to the hospital. But the crash paralyzed him. Everything from his chest down turned numb. Today, he can move his wrists and shoulders, but that's about it.
Our sense of touch is more important than you might think.
If I asked you to name our senses, touch would probably be one of the last ones. But it's actually very important for helping us move through the world.
Touch can warn us if something is sharp. It helps our brains keep track of where our limbs are and what they're doing. Ever had a limb go numb while sleeping, only to wake up and discover it in some weird position?
Touch also helps us hold on to things. You don't have to manually calculate the pounds-per-square-inch of a firm handshake, for example. You just know.
Losing all of that can be hard. Copeland needed help with all his daily activities. Further health problems meant he had to drop out of school, too.
But now, Copeland will be one of the first testers for robotic arms that will restore his sense of touch.
Photo via University of Pittsburgh Medical Center/Pitt Health Sciences.
After his accident, Copeland enrolled in a registry for clinical trials and moved on with his life. Then, about 10 years after the accident, a group of researchers from the University of Pittsburgh and the University of Pittsburgh Medical Center got in contact with him. They wanted to know if he would help test a new device they were creating.
It's a mind-controlled robotic arm. It connects to Copeland via tiny implants in his brain, which are carefully placed for arm control. He can move the arm with a thought.
All of this is neat, but it's not really that new. Other scientists have made mind-controlled arms before. But Copeland is the first human to get his sense of touch back as well, and that's the cool part.
"I can feel just about every finger — it's a really weird sensation," he said about a month after the device was hooked up. It's not painful, he said. "Sometimes it feels electrical and sometimes it's pressure, but for the most part, I can tell most of the fingers with definite precision. It feels like my fingers are getting touched or pushed."
Photo via University of Pittsburgh Medical Center/Pitt Health Sciences.
One of the most common problems with prosthetics is that they can't give "This is sharp. This is where your arm is. This is a good handshake"-type feedback that flesh-and-blood limbs can. It can make them awkward to use, which is why this new technology is so important.
Copeland's new arm could be a big step toward more natural prosthetics.
More work needs to be done, but this could be a big win for the 5.6 million people in the United States living with some form of paralysis.
"The ultimate goal is to create a system which moves and feels just like a natural arm would," said Pittsburgh University professor Robert Gaunt said in a press release. He led the team that treated Copeland.
More research needs to be done to refine the technique, of course. Copeland can feel pressure and intensity, for example, but he can't sense temperature.
"We have a long way to go to get there, but this is a great start," said Gaunt.



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An Irish woman went to the doctor for a routine eye exam. She left with bright neon green eyes.
It's not easy seeing green.
Did she get superpowers?
Going to the eye doctor can be a hassle and a pain. It's not just the routine issues and inconveniences that come along when making a doctor appointment, but sometimes the various devices being used to check your eyes' health feel invasive and uncomfortable. But at least at the end of the appointment, most of us don't look like we're turning into The Incredible Hulk. That wasn't the case for one Irish woman.
Photographer Margerita B. Wargola was just going in for a routine eye exam at the hospital but ended up leaving with her eyes a shocking, bright neon green.
At the doctor's office, the nurse practitioner was prepping Wargola for a test with a machine that Wargola had experienced before. Before the test started, Wargola presumed the nurse had dropped some saline into her eyes, as they were feeling dry. After she blinked, everything went yellow.
Wargola and the nurse initially panicked. Neither knew what was going on as Wargola suddenly had yellow vision and radioactive-looking green eyes. After the initial shock, both realized the issue: the nurse forgot to ask Wargola to remove her contact lenses before putting contrast drops in her eyes for the exam. Wargola and the nurse quickly removed the lenses from her eyes and washed them thoroughly with saline. Fortunately, Wargola's eyes were unharmed. Unfortunately, her contacts were permanently stained and she didn't bring a spare pair.
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Since she has poor vision, Wargola was forced to drive herself home after the eye exam wearing the neon-green contact lenses that make her look like a member of the Green Lantern Corps. She couldn't help but laugh at her predicament and recorded a video explaining it all on social media. Since then, her video has sparked a couple Reddit threads and collected a bunch of comments on Instagram:
“But the REAL question is: do you now have X-Ray vision?”
“You can just say you're a superhero.”
“I would make a few stops on the way home just to freak some people out!”
“I would have lived it up! Grab a coffee, do grocery shopping, walk around a shopping center.”
“This one would pair well with that girl who ate something with turmeric with her invisalign on and walked around Paris smiling at people with seemingly BRIGHT YELLOW TEETH.”
“I would save those for fancy special occasions! WOW!”
“Every time I'd stop I'd turn slowly and stare at the person in the car next to me.”
“Keep them. Tell people what to do. They’ll do your bidding.”
In a follow-up Instagram video, Wargola showed her followers that she was safe at home with normal eyes, showing that the damaged contact lenses were so stained that they turned the saline solution in her contacts case into a bright Gatorade yellow. She wasn't mad at the nurse and, in fact, plans on keeping the lenses to wear on St. Patrick's Day or some other special occasion.
While no harm was done and a good laugh was had, it's still best for doctors, nurses, and patients alike to double-check and ask or tell if contact lenses are being worn before each eye test. If not, there might be more than ultra-green eyes to worry about.