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Magazine Sneak Peek: Sharkskin Catheters and How We're Going to Save Children

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5days.gifIt's bad enough that humans have spent centuries using animals to feed and clothe us. But now, we're stealing their ideas, too? In the latest issue of mental_floss, we explore the amazing world of biomimetics to show how whales are solving the energy crisis, sharks are making our hospitals safer, and so much more. Here are just 2 of our favorites:

Sharkskin—The Latest Craze in Catheters

Hospitals are constantly worried about germs. No matter how often doctors and nurses wash their hands, they inadvertently spread bacteria and viruses from one patient to the next. In fact, as many as 100,000 Americans die each year from infections they pick up in hospitals. Sharks, however, have managed to stay squeaky clean for more than 100 million years. And now, thanks to them, infections may go the way of the dinosaur.   

Unlike other large marine creatures, sharks don't collect slime, algae, or barnacles on their bodies. That phenomenon intrigued engineer Tony Brennan, who was trying to design a better barnacle-preventative coating for Navy ships when he learned about it in 2003. Investigating the skin further, he discovered that a shark's entire body is covered in miniature, bumpy scales, like a carpet of tiny teeth. Algae and barnacles can't grasp hold, and for that matter, neither can troublesome bacteria such as E. coli and Staphylococcus aureus.

Brennan's research inspired a company called Sharklet, which began exploring how to use the sharkshin concept to make a coating that repels germs. Today, the firm produces a sharkskin-inspired plastic wrap that's currently being tested on hospital surfaces that get touched the most (light switches, monitors, handles). So far, it seems to be successfully fending off germs. The company already has even bigger plans; Sharklet's next project is to create a plastic wrap that covers another common source of infections—the catheter.

Playing Dead, Saving Lives

When the going gets tough, the tough play dead. That's the motto of two of nature's most durable creatures—the resurrection plant and the water bear. Together, their amazing biochemical tricks may show scientists how to save millions of lives in the developing world.

Resurrection plants refer to a group of desert mosses that shrivel up during dry spells and appear dead for years, or even decades. But once it rains, the plants become lush and green again, as if nothing happened. The water bear has a similar trick for playing dead. The microscopic animal can essentially shut down and, during that time, endure some of the most brutal environments known to man. It can survive temperatures near absolute zero and above 300ËšF, go a decade without water, withstand 1,000 times more radiation than any other animal on Earth, and even stay alive in the vacuum of space. Under normal circumstances, the water bear looks like a sleeping bag with chubby legs, but when it encounters extreme conditions, the bag shrivels up. If conditions go back to normal, the little fellow only needs a little water to become itself again.

The secret to the survival of both organisms is intense hibernation. They replace all of the water in their bodies with a sugar that hardens into glass. The result is a state of suspended animation. And while the process won't work to preserve people (replacing the water in our blood with sugar would kill us), it does work to preserve vaccines.

The World Health Organization estimates that 2 million children die each year from vaccine-preventable diseases such as diphtheria, tetanus, and whooping cough. Because vaccines hold living materials that die quickly in tropical heat, transporting them safely to those in need can be difficult. That's why a British company has taken a page from water bears and resurrection plants. They've created a sugar preservative that hardens the living material inside vaccines into microscopic glass beads, allowing the vaccines to last for more than a week in sweltering climates.
Curious what the other 8 technologies stolen from the animal kingdom that we featured? Then pick up the new issue of mental_floss magazine here. Or take advantage of our best offer and get a t-shirt with your subscription for just a couple of dollars more. 

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Pop Culture
The Sweet Surprise Reunion Mr. Rogers Never Saw Coming
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For more than 30 years, legendary children’s show host Fred Rogers used his PBS series Mister Rogers’ Neighborhood to educate his young viewers on concepts like empathy, sharing, and grief. As a result, he won just about every television award he was eligible for, some of them many times over.

Rogers was gracious in accepting each, but according to those who were close to the host, one honor in particular stood out. It was March 11, 1999, and Rogers was being inducted into the Television Academy Hall of Fame, an offshoot of the Emmy Awards. Just before being called to the stage, out came a surprise.

The man responsible for the elation on Rogers’s face was Jeff Erlanger, a 29-year-old from Madison, Wisconsin who became a quadriplegic at a young age after undergoing spinal surgery to remove a tumor. Rogers was surprised because Erlanger had appeared on his show nearly 20 years prior in 1980 to help kids understand how people with physical challenges adapt to life’s challenges. Here's his first encounter with the host:

Reunited on stage after two decades, Erlanger referred to the song, “It’s You I Like,” which the two sang during their initial meeting. “On behalf of millions of children and grown-ups,” Erlanger said, “it’s you I like.” The audience, including a visibly moved Candice Bergen, rose to their feet to give both men a standing ovation.

Following Erlanger’s death in 2007, Hedda Sharapan, an employee with Rogers’s production company, called their poignant scene “authentic” and “unscripted,” and that Rogers often pointed to it as his favorite moment from the series.

Near the end of the original segment in 1980, as Erlanger drives his wheelchair off-camera, Rogers waves goodbye and offers a departing message: “I hope you’ll come back to visit again.”

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20 Things You Might Not Have Known About Firefly
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© 2002 Twentieth Century Fox

As any diehard fan will be quick to tell you, Firefly's run was far, far too short. Despite its truncated run, the show still offers a wealth of fun facts and hidden Easter eggs. On the 15th anniversary of the series' premiere, we're looking back at the sci-fi series that kickstarted a Browncoat revolution.

1. A CIVIL WAR NOVEL INSPIRED THE FIREFLY UNIVERSE.

The Pulitzer Prize-winning novel The Killer Angels from author Michael Shaara was Joss Whedon’s inspiration for creating Firefly. It follows Union and Confederate soldiers during four days at the Battle of Gettysburg during the American Civil War. Whedon modeled the series and world on the Reconstruction Era, but set in the future.

2. ORIGINALLY, THE SERENITY CREW INCLUDED JUST FIVE MEMBERS.

When Whedon first developed Firefly, he wanted Serenity to only have five crew members. However, throughout development and casting, Whedon increased the cast from five to nine.

3. REBECCA GAYHEART WAS ORIGINALLY CAST TO PLAY INARA.

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Before Morena Baccarin was cast as Inara Serra, Rebecca Gayheart landed the role—but she was fired after one day of shooting because she lacked chemistry with the rest of the cast. Baccarin was cast two days later and started shooting that day.

4. NEIL PATRICK HARRIS WAS ALMOST DR. SIMON TAM.

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Before it went to Sean Maher, Neil Patrick Harris auditioned for the role of Dr. Simon Tam.

5. JOSS WHEDON WROTE THE THEME SONG.

Whedon wrote the lyrics and music for Firefly’s opening theme song, “The Ballad of Serenity.”

6. STAR WARS SPACECRAFT APPEAR IN FIREFLY.

Star Wars was a big influence on Whedon. Captain Malcolm Reynolds somewhat resembles Han Solo, while Whedon used the Millennium Falcon as inspiration to create Serenity. In fact, you can spot a few spacecraft from George Lucas's magnum opus on the show.

When Inara’s shuttle docks with Serenity in the pilot episode, an Imperial Shuttle can be found flying in the background. In the episode “Shindig,” you can see a Starlight Intruder as the crew lands on the planet Persephone.

7. HAN SOLO FROZEN IN CARBONITE POPS UP THROUGHOUT FIREFLY.

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Nathan Fillion is a big Han Solo fan, so the Firefly prop department made a 12-inch replica of Han Solo encased in Carbonite for the Canadian-born actor. You can see the prop in the background in a number of scenes.

8. ALIEN'S WEYLAND-YUTANI CORPORATION MADE AN APPEARANCE.

In Firefly’s pilot episode, the opening scene features the legendary Battle of Serenity Valley between the Browncoats and The Union of Allied Planets. Captain Malcolm Reynolds takes control of a cannon with a Weyland-Yutani logo inside of its display. Weyland-Yutani is the large conglomerate corporation in the Alien film franchise. (Whedon wrote Alien: Resurrection in 1997.)

9. ZAC EFRON'S ACTING DEBUT WAS ON FIREFLY.

A 13-year-old Zac Efron made his acting debut in the episode “Safe” in 2002. He played Young Simon in a flashback.

10. CAPTAIN MALCOLM REYNOLDS'S HORSE IS A WESTERN TROPE.

At its core, Firefly is a sci-fi western—and Malcolm Reynolds rides the same horse on every planet (it's named Fred).

11. FOX AIRED FIREFLY'S EPISODES OUT OF ORDER.

Fox didn’t feel Firefly’s two-hour pilot episode was strong enough to air as its first episode. Instead, “The Train Job” was broadcast first because it featured more action and excitement. The network continued to cherry-pick episodes based on broad appeal rather than story consistency, and eventually aired the pilot as the show’s final episode.

12. THE ALLIANCE'S ORIGINS ARE AMERICAN AND CHINESE.

The full name of The Alliance is The Anglo-Sino Alliance. Whedon envisioned The Alliance as a merger of American and Chinese government and corporate superpowers. The Union of Allied Planets’ flag is a blending of the American and Chinese national flags.

13. THE SERENITY LOUNGE SERVED AS AN ACTUAL LOUNGE.

Between set-ups and shots, the cast would hang out in the lounge on the Serenity set rather than trailers or green rooms.

14. INARA SERRA'S NAME IS MESOPOTAMIAN.

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Inara Serra is named after the Mesopotamian Hittite goddess, the protector of all wild animals.

15. THE CHARACTERS SWORE (JUST NOT IN ENGLISH).

The Firefly universe is a mixture of American and Chinese culture, which made it easy for writers to get around censors by having characters swear in Chinese.

16. THE UNIFORMS ARE RECYCLED FROM STARSHIP TROOPERS.

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The uniforms for Alliance officers and soldiers were the costumes from the 1997 science fiction film Starship Troopers. The same costumes were repurposed again for the Starship Troopers sequel.

17. "SUMMER!" MEANS SOMEONE MESSED UP.

Every time a cast member flubbed one of his or her lines, they would yell Summer Glau’s name. This was a running gag among the cast after Glau forgot her lines in the episode “Objects In Space.”

18. THE SERENITY SPACESHIP WAS BUILT TO SCALE.

The interior of Serenity was built entirely to scale; rooms and sections were completely contiguous. The ship’s interior was split into two stages, one for the upper deck and one for the lower. Whedon showed off the Firefly set in one long take to open the Serenity movie.

19. "THE MESSAGE" SHOULD HAVE BEEN THE SHOW'S FAREWELL.

Although “The Message” was the twelfth episode, it was the last episode filmed during Firefly’s short run. Composer Greg Edmonson wrote a piece of music for a funeral scene in the episode, which served as a final farewell to the show. Sadly, it was one of three episodes (the other two were “Trash” and “Heart of Gold”) that didn’t air during Firefly’s original broadcast run on Fox.

20. FIREFLY AND SERENITY WERE SENT TO THE INTERNATIONAL SPACE STATION.

American Astronaut Steven Ray Swanson is a big fan of Firefly, so when he was sent to the International Space Station for his first mission (STS-117) in 2007, he brought DVD copies of Firefly and its feature film Serenity aboard with him. The DVDs are now a permanent part of the space station’s library.

This post originally appeared in 2014.

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