AMNH // R. Mickens
AMNH // R. Mickens

What It’s Like to Write an Opera About Dinosaurs

AMNH // R. Mickens
AMNH // R. Mickens

There are many challenges that face those writing the lyrics to operas, but figuring out what can rhyme with dinosaur names isn’t often one of them. But wrangling multisyllabic, Latin- and Greek-derived names of prehistoric creatures into verse was an integral part of Eric Einhorn’s job as the librettist behind Rhoda and the Fossil Hunt, a new, family-friendly opera currently running at the American Museum of Natural History in New York City.

Created by On Site Opera, which puts on operas in unusual places (like Madame Tussauds Wax Museum) across New York City, in conjunction with the Lyric Opera of Chicago and the Pittsburgh Opera, Rhoda and the Fossil Hunt follows the true story of Rhoda Knight and her grandfather, the famous paleoartist Charles R. Knight.

Knight worked as a freelance artist for the American Museum of Natural History from 1896 until his death in 1953, creating images of extinct species that paved the way for how we imagine dinosaurs even now. He studied with taxidermists and paleontology experts and was one of the first to paint dinosaurs as flesh-and-blood creatures in natural habitats rather than fantastical monsters, studying their bones and creating sculptural models to make his renderings as accurate as contemporary science made possible.

In the 20-minute opera, singers move around the museum’s Hall of Saurischian Dinosaurs, performing among skeletons and even some paintings by Knight himself. Einhorn, who also serves as the director of On Site Opera and stage director for the opera, wrote the libretto based on stories about the real-life Rhoda—who now goes by Rhoda Knight Kalt—whom he met with frequently during the development process.

Soprano Jennifer Zetland (Rhoda) sings in front of a dinosaur skeleton at the American Museum of Natural History.
AMNH // R. Mickens

“I spent a lot of time with Rhoda just talking about her childhood,” he tells Mental Floss, gathering anecdotes that could be worked into the opera. “She tells this great story of being in the museum when they were unpacking the wooly mammoth,” he says. "And she was just there, because her grandfather was there. It's being at the foot of greatness and not even realizing it until later.”

But there was one aspect of Rhoda’s childhood that proved to be a challenge in terms of turning her story into a performance. “Unfortunately, she was a really well-behaved kid,” Einhorn says. “And that doesn't really make for a good opera.”

Knight Kalt, who attended the opera’s dress rehearsal, explains that she knew at the time that if she misbehaved, she wouldn’t be allowed back. “I knew that the only way I could be with my grandfather was if I was very quiet,” she says. “Sometimes he would stand for an hour and a half discussing a fossil bone and how he could bring that alive … if I had interrupted then I couldn't meet him [at the museum anymore].”

In the fictionalized version of Knight Kalt's childhood (which takes place when Rhoda is 8), Rhoda looks around the museum for the missing bones of the dinosaur Deinocheirus so that her grandfather can draw them. The Late Cretaceous dino, first discovered in 1965, almost didn't make it into the show, though. In the first draft of the libretto, the dinosaur Rhoda is searching for in the museum was a relatively new dinosaur species found in China and first unveiled in 2015—Zhenyuanlong suni—but the five-syllable name proved impossible to rhyme or sing.

Rhoda Knight Kalt stands next to the head of a dinosaur.
Rhoda Knight Kalt
Shaunacy Ferro

But Einhorn wanted to feature a real dinosaur discovery in the opera. A paleontologist at the museum, Carl Mehling, suggested Deinocheirus. “There are two arms hanging right over there,” Einhorn says, gesturing across the Hall of Saurischian Dinosaurs, “and until [recently] the arms were the only things that had ever been discovered about Deinocheirus.” Tying the opera back to an actual specimen in the museum—one only a few feet away from where the opera would be staged—opened up a whole new set of possibilities, both lyrically and otherwise. “Once we ironed that out, we knew we had good science and better rhyming words.”

As for Knight Kalt, she says the experience of watching her childhood unfold in operatic form was a little weird. “The whole story makes me laugh,” she says. But it was also a perfectly appropriate way to honor her grandfather. “He used to sing while he was painting,” she says. “He loved the opera.”

Rhoda and the Fossil Hunt will be performed at the American Museum of Natural History on Fridays, Saturdays, and Sundays until October 15. Performances are free with museum admission, but require a reservation. The opera will later travel to the Lyric Opera of Chicago and the Pittsburgh Opera.

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These Sparrows Have Been Singing the Same Songs for 1500 Years
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iStock

Swamp sparrows are creatures of habit—so much so that they’ve been chirping out the same few tunes for more than 1500 years, Science magazine reports.

These findings, published in the journal Nature Communications, resulted from an analysis of the songs of 615 adult male swamp sparrows found in six different areas of the northeastern U.S. Researchers learned that young swamp sparrows pick up these songs from the adults around them and are able to mimic the notes with astounding accuracy.

Here’s what one of their songs sounds like:

“We were able to show that swamp sparrows very rarely make mistakes when they learn their songs, and they don't just learn songs at random; they pick up commoner songs rather than rarer songs,” Robert Lachlan, a biologist at London’s Queen Mary University and the study’s lead author, tells National Geographic.

Put differently, the birds don’t mimic every song their elders crank out. Instead, they memorize the ones they hear most often, and scientists say this form of “conformist bias” was previously thought to be a uniquely human behavior.

Using acoustic analysis software, researchers broke down each individual note of the sparrows’ songs—160 different syllables in total—and discovered that only 2 percent of sparrows deviated from the norm. They then used a statistical method to determine how the songs would have evolved over time. With recordings from 2009 and the 1970s, they were able to estimate that the oldest swamp sparrow songs date back 1537 years on average.

The swamp sparrow’s dedication to accuracy sets the species apart from other songbirds, according to researchers. “Among songbirds, it is clear that some species of birds learn precisely, such as swamp sparrows, while others rarely learn all parts of a demonstrator’s song precisely,” they write.

According to the Audubon Guide to North American Birds, swamp sparrows are similar to other sparrows, like the Lincoln’s sparrow, song sparrow, and chipping sparrow. They’re frequently found in marshes throughout the Northeast and Midwest, as well as much of Canada. They’re known for their piercing call notes and may respond to birders who make loud squeaking sounds in their habitat.

[h/t Science magazine]

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10 Scientific Benefits of Being a Dog Owner
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The bickering between cat people and dog people is ongoing and vicious, but in the end, we're all better off for loving a pet. But if anyone tries to poo-poo your pooch, know that there are some scientific reasons that they're man's best friend.

1. YOU GET SICK LESS OFTEN.

Dog snuggling on a bed with its person.
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If cleaning commercials are to be believed, humanity is in the midst of a war against germs—and we shouldn't stop until every single one is dead. In reality, the amount of disinfecting we do is making us sicker; since our bodies are exposed to a less diverse mix of germs, our entire microbiome is messed up. Fortunately, dogs are covered in germs! Having a dog in the house means more diverse bacteria enters the home and gets inside the occupants (one study found "dog-related biodiversity" is especially high on pillowcases). In turn, people with dogs seem to get ill less frequently and less severely than people—especially children—with cats or no pets.

2. YOU'RE MORE RESISTANT TO ALLERGIES.

Child and mother playing with a dog on a bed.
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While dog dander can be a trigger for people with allergies, growing up in a house with a dog makes children less likely to develop allergies over the course of their lives. And the benefits can start during gestation; a 2017 study published in the journal Microbiome found that a bacterial exchange happened between women who lived with pets (largely dogs) during pregnancy and their children, regardless of type of birth or whether the child was breastfed, and even if the pet was not in the home after the birth of the child. Those children tested had two bacteria, Ruminococcus and Oscillospira, that reduce the risk of common allergies, asthma, and obesity, and they were less likely to develop eczema.

3. YOU'LL HAVE BETTER HEART HEALTH.

Woman doing yoga with her dog.
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Everything about owning a dog seems to lend itself to better heart health. Just the act of petting a dog lowers heart rate and blood pressure. A 2017 Chinese study found a link between dog ownership and reduced risk of coronary artery disease, while other studies show pet owners have slightly lower cholesterol and are more likely to survive a heart attack.

4. YOU GET MORE EXERCISE.

Person running in field with a dog.
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While other pets have positive effects on your health as well, dogs have the added benefit of needing to be walked and played with numerous times a day. This means that many dog owners are getting 30 minutes of exercise a day, lowering their risk of cardiovascular disease.

5. YOU'LL BE HAPPIER.

Woman cuddling her dog.
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Dog owners are less likely to suffer from depression than non-pet owners. Even for those people who are clinically depressed, having a pet to take care of can help them out of a depressive episode. Since taking care of a dog requires a routine and forces you to stay at least a little active, dog owners are more likely to interact with others and have an increased sense of well-being while tending to their pet. The interaction with and love received from a dog can also help people stay positive. Even the mere act of looking at your pet increases the amount of oxytocin, the "feel good" chemical, in the brain.

6. YOU HAVE A MORE ACTIVE SOCIAL LIFE.

Large bulldog licking a laughing man.
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Not only does dog ownership indirectly tell others that you're trustworthy, your trusty companion can help facilitate friendships and social networks. A 2015 study published in PLOS One found that dogs can be both the catalyst for sparking new relationships and also the means for keeping social networks thriving. One study even showed that those with dogs also had closer and more supportive relationships with the people in their lives.

7. YOUR DOG MIGHT BE A CANCER DETECTOR.

Man high-fiving his dog.
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Your dog could save your life one day: It seems that our canine friends have the ability to smell cancer in the human body. Stories abound of owners whose dogs kept sniffing or licking a mole or lump on their body so they got it checked out, discovering it was cancerous. The anecdotal evidence has been backed up by scientific studies, and some dogs are now trained to detect cancer.

8. YOU'LL BE LESS STRESSED AT WORK.

Woman working on a computer while petting a dog.
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The benefits of bringing a dog to work are so increasingly obvious that more companies are catching on. Studies show that people who interact with a pet while working have lower stress levels throughout the day, while people who do not bring a pet see their stress levels increase over time. Dogs in the office also lead to people taking more breaks, to play with or walk the dog, which makes them more energized when they return to work. This, in turn, has been shown to lead to much greater productivity and job satisfaction.

9. YOU CAN FIND OUT MORE ABOUT YOUR PERSONALITY.

Man running in surf with dog.
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The kind of dog you have says a lot about your personality. A study in England found a very clear correlation between people's personalities and what type of dogs they owned; for example, people who owned toy dogs tended to be more intelligent, while owners of utility dogs like Dalmatians and bulldogs were the most conscientious. Other studies have found that dog owners in general are more outgoing and friendly than cat owners.

10. YOUR KIDS WILL BE MORE EMPATHETIC.

A young boy having fun with his dog.
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Though one 2003 study found that there is no link between pet ownership and empathy in a group of children, a 2017 study of 1000 7-12 year olds found that pet attachment of any kind encouraged compassion and positive attitudes toward animals, which promoted better well-being for both the child and the pet. Children with dogs scored the highest for pet attachment, and the study notes that "dogs may help children to regulate their emotions because they can trigger and respond to a child's attachment related behavior." And, of course, only one pet will happily play fetch with a toddler.

A version of this story originally ran in 2015.

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