9-year-old boy finds ancient treasure buried in his grandmother’s backyard

[Sept. 25, 2023: Staff Writer, The Brighter Side of News]

In the serene backdrop of Winston, nestled near Tenmile, is a tale that taps into the magic of childlike curiosity and the ancient mysteries buried within the Earth's folds.

Jeremiah Longbrake, a sprightly 9-year-old boy, unearthed a piece of history that has since become the talk of the town.

As most kids do on sunny afternoons, Jeremiah ventured to the backyard of his grandmother’s house to expend his youthful energy. He took to the trampoline, swayed in rhythm with the swing, and ventured to the gurgling creek—a perennial companion in his playtime exploits. But this day was to be different.

Peering into the water, Jeremiah noticed an anomalous object. At a cursory glance, it appeared to be just another discarded plastic container. But as curiosity propelled him, he fished it out to discover a dark brown, fist-sized “rock”, etched with distinctive grooves.

“He brought it up to me, and honestly, I dismissed it as a piece of petrified wood at first,” recalls Megan Johnson, Jeremiah's mother, who possesses a distinct fondness for rocks. “But upon closer inspection, it just didn’t align with anything I’ve ever seen.”

Megan took to Facebook, a modern agora for information exchange. Posting a picture of the mysterious find, she awaited insights from her "rockhounding" comrades. The virtual sphere buzzed with activity, and by half a day, a consensus emerged. The prevalent opinion? "That looks like a tooth.”

Desire for confirmation led Megan to seek the counsel of various archeologists and anthropologists. Her persistent inquiries were finally rewarded at the Museum of Natural and Cultural history in Eugene. Pat O’Grady, a staff archeologist at the museum, conveyed the electrifying news: Jeremiah had stumbled upon a fragment of a mammoth's tooth.

Oregon bore witness to the last mammoths roughly 10,000 years ago. These majestic creatures, now relics of a bygone era, can be identified by their signature banded dental structures—a mesmerizing interplay of enamel and dentin.

Rhonda Johnson, Jeremiah’s grandmother and a 31-year resident of the property, expressed her amazement, “I was simply astounded. But, the underlying emotion? Pure elation.”

While the origins of the tooth fragment remain speculative, it likely detached from the banks of the upstream creek, eventually gracing Jeremiah’s playground. Megan fondly mentions Jeremiah’s knack for unique outdoor discoveries, “He's got that uncanny eye. If anyone was destined to uncover this, it was Jeremiah.”

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While Jeremiah's discovery has piqued interest, he remains contemplative about its fate. O’Grady from the museum has expressed desire for a dime-sized specimen for research. Jeremiah contemplates forwarding a portion for scientific insights. But beyond that? The allure of a keepsake tugs at his heart, yet so does the nobility of enriching a local museum's collection.

For Megan Johnson, this discovery unravels a tapestry of personal memories. Having grown up in the very house, the creek has been a constant—first, as her childhood escapade and now as her children's wonderland.

Reflecting on the discovery, Megan said, “This backyard creek is where my love for rocks was kindled. To witness my son unearthing a treasure infinitely more enchanting than the mundane rocks of my past? It’s simply surreal.”

In this quiet corner of Winston, through the gleam in Jeremiah’s eyes, history intertwines with the present. His find serves as a poignant reminder that sometimes, the most profound stories are nestled right in our backyards, waiting for the right moment and the right inquisitive soul to bring them to light.

Reflecting on the past, Hugo, now aged 10, recalls, "I initially mistook them for seeds and was intrigued, thinking, 'I didn't realize ants gathered seeds.' I was under the impression that ants primarily consumed food remnants in homes. My excitement grew when my father informed me they were actually galls, especially seeing his enthusiasm. I couldn't believe ants would gather galls; I wondered what purpose it served." Hugo's dad, Andrew Deans, is a distinguished professor of entomology at Penn State.

This revelation spurred Andrew Dean and his team to uncover a novel form of myrmecochory. This mechanism seamlessly merges the wasp-oak gall interaction with the edible appendage-ant relationship.

In traditional myrmecochory, certain plants produce edible appendages, called elaiosomes, on their seeds to attract ants, which then disperse the seeds by carrying them back to their nests. The phenomenon was first documented over 100 years ago and is commonly taught to biology students as an example of a plant-insect interaction.

However, the Penn State team's new research has revealed a much more complex type of myrmecochory that combines the wasp-oak gall interaction with the edible appendage-ant interaction.

The team's new findings have been published in the journal American Naturalist, where it details the researchers' field and laboratory experiments to better understand the interaction. The first experiment conducted by the team was to determine if the oak gall caps, which the researchers named kapéllos, were edible and attractive to ants, similar to eliaosomes.

They directly observed oak galls in ant colonies in the wild in Western New York and central Pennsylvania and set up video cameras to capture additional animal/gall interactions. In both locations, they saw ants transporting galls to their nests. Within the nests, all the edible caps were removed, while the galls themselves remained intact.

In a second set of experiments, the team investigated ant preference for oak galls vs. bloodroot seeds to determine if kapéllos functioned similarly to elaiosomes. They set up seed/gall bait stations and observed that ants removed the same number of seeds and galls, suggesting no difference in ant preference.

The scientists then conducted a laboratory experiment to document whether ants collected galls because of their nutritious kapéllos. They set up three petri-dish treatments, containing entire galls, gall bodies with kapéllos removed, kapéllos with gall bodies removed, along with a control dish containing a different type of gall that did not have an edible appendage.

They introduced ants to the petri dishes and found that ant interest did not differ between the control galls and the kapéllo-free treatment galls, both of which lacked edible components. By contrast, ant interest was greater for galls with intact kapéllos and for kapéllos alone than for control galls.

The researchers showed that galls with caps were far more attractive to ants than galls without caps and that the caps by themselves were also attractive to the ants. John Tooker, professor of entomology, said, “This suggested that the caps must have evolved as a way to entice ants.”

Finally, the team asked, "What’s in kapéllos that makes them so attractive to ants?" According to Tooker, the chemistry of elaiosomes is well studied and known to contain nutritious fatty acids. Therefore, the team compared the chemical compositions of kapéllos to elaiosomes and found that kapéllos, too, contained healthful fatty acids.

“The fatty acids that are abundant in gall caps and elaiosomes seem to be mimicking dead insects,” said Tooker. “Ants are scavengers that are out trying to find and grab anything that’s suitable to bring back to their colony, so it’s not an accident that the gall caps and the elaiosomes both have fatty acids typical of dead insects.”

The last, and according to the researchers, most intriguing, question was: which came first, the gall or the ant? Did the wasp begin manipulating oaks to create galls, and then eventually begin manipulating ants to collect them? Or did the ants first begin collecting the galls, and then the wasps learn to manipulate oaks to make them more attractive to the ants?

To answer this question, the researchers took a closer look at the evolution of gall wasps and their relationships with oak trees. They found that gall wasps have been inducing oak galls for millions of years, and that some modern-day gall wasps are known to manipulate ants to protect their larvae. Therefore, it seems likely that the wasps began manipulating ants after they had already been inducing galls in oaks for millions of years.

“This finding is really exciting because it suggests that we are only scratching the surface of what we know about plant-insect interactions,” said Deans. “We have been studying these relationships for over 100 years, but there is still so much we don’t know.”

The researchers believe that their findings have important implications for ecology and conservation. For example, they suggest that the manipulation of ants by gall wasps could be a more widespread phenomenon than previously thought. Additionally, they point out that the loss of oak trees, which are already threatened by habitat loss and other factors, could have significant impacts on the entire oak gall-ant-wasp ecosystem.

“This research really highlights the interconnectedness of different species in an ecosystem,” said Deans. “It also highlights the importance of protecting biodiversity and the many relationships that exist between different organisms.”

Looking to the future, the researchers hope to continue investigating the complex relationships between plants and insects. They suggest that there may be many more multi-layered interactions waiting to be discovered.

“We are only beginning to understand the complexity of plant-insect interactions,” said Deans. “There is still so much more to learn.”

When asked if he wants to be an entomologist like his dad when he grows up, given that he's already made his first scientific discovery, Hugo says "not really. I want to be different ... unique ... when I grow up."

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