WTF Fun Fact 13610 – Creating Plant Biosensors

by

Scientists at the University of California – Riverside have engineered plant biosensors that change color in the presence of specific chemicals.

Someday, the greenery decorating our homes and gardens might soon be ornamental and an environmental watchdog. (Of course, plants are already good indicators of their surroundings since they tend to wilt or die when things get toxic.)

Innovative Plant Biosensors

It all started with a question: What if a simple house plant could alert you about contaminants in your water? Delving deep into this concept, the UC Riverside team made it a reality. In the presence of a banned, toxic pesticide known as azinphos-ethyl, the engineered plant astonishingly turns a shade of beet red. This development offers a visually compelling way to indicate the presence of harmful substances around us.

Ian Wheeldon, an associate professor of chemical and environmental engineering at UCR, emphasized the groundbreaking nature of this achievement. “In our approach, we ensured the plant’s natural metabolism remains unaffected,” he explained. “Unlike earlier attempts where the biosensor component would hinder the plant’s growth or water absorption during stress, our method doesn’t disrupt these essential processes.”

The team’s findings, elaborated in a paper published in Nature Chemical Biology, unveiled the secret behind this transformative process. At the heart of the operation lies a protein known as abscisic acid (ABA). Under stressful conditions like droughts, plants produce ABA, signaling them to conserve water and prevent wilting. The research team unlocked the potential of ABA receptors, training them to latch onto other chemicals besides ABA. When these receptors bind to specific contaminants, the plant undergoes a color change.

From Plant to Yeast: Expanding the Biosensor Spectrum

The UC Riverside team didn’t just stop at plants. They expanded their research horizon to include yeast, turning this organism into a chemical sensor. Remarkably, yeast exhibited the capability to respond to two distinct chemicals simultaneously, a feat yet to be achieved in plants.

Sean Cutler, UCR professor of plant cell biology, highlighted the team’s vision. “Imagine a plant that can detect up to 100 banned pesticides,” he said. “The potential applications, especially in environmental health and defense, are immense. However, there’s a long way to go before we can unlock such extensive sensing capabilities.”

The Path Forward for Plant Biosensors

While the initial results are promising, commercial growth of these engineered plants isn’t on the immediate horizon. Stringent regulatory approvals, which could span years, are a significant hurdle. Moreover, as a nascent technology, there are numerous challenges to overcome before it finds a place in real-world applications, like farming.

Yet, the future looks bright. “The potential extends beyond just pesticides,” Cutler added. “We aim to detect any environmental chemical, including common drugs that sometimes seep into our water supplies. The technology to sense these contaminants is now within reach.”

—WTF fun facts

Source:

WTF Fun Fact 13609 – Virtual Meetings and Mental State

by

In today’s digital age, the word “virtual meetings” frequently appears in our daily calendars. Yet, instead of feeling recharged after these virtual interactions, many of us experience an inexplicable sense of drowsiness.

New research from Aalto University reveals that the culprit behind this fatigue isn’t mental overload but rather mental underload and boredom.

Tackling Fatigue in Virtual Meetings: It’s Not Overload, It’s Underload!

Assistant Professor Niina Nurmi, who spearheaded the study, initially hypothesized that stress levels would surge during remote interactions. Surprisingly, the findings revealed quite the opposite. Nurmi noted, “especially those who were not engaged in their work quickly became drowsy during remote meetings.”

To uncover the heart of the matter, the research team meticulously tracked heart rate variability across virtual and in-person meetings. This analysis spanned nearly 400 meetings and involved 44 knowledge workers. Joining hands with the Finnish Institute of Occupational Health, experts at Aalto deployed heart rate monitors to delve deep into the realms of stress and recovery.

Nurmi and her team didn’t just stop at numbers. By integrating physiological methods with ethnographic research, they followed each subject for two workdays. This holistic approach ensured that they captured every event with precise timestamps, ultimately pinpointing the root causes of physiological responses.

The Role of Engagement in Virtual Fatigue

The insights gained from the research were indeed eye-opening. Nurmi stated, “The format of a meeting had little effect on people who were highly engaged and enthusiastic about their work.” These individuals managed to maintain their energy and active participation, even in a virtual setup. Contrastingly, those with lower work engagement and lesser enthusiasm found virtual meetings quite draining.

One major revelation from the study was the profound impact of cognitive cues and sensory input. Engaging in face-to-face interactions naturally keeps our focus sharp. However, virtual meetings often lack these vital stimuli. Nurmi elucidated, “Especially when cameras are off, the participant is left under-stimulated and may start to compensate by multitasking.”

The Pitfalls of Multitasking in Virtual Meetings

While a moderate level of stimulation benefits the brain, multitasking during virtual meetings emerges as a significant concern. The reason? Our brains aren’t wired to handle multiple cognitively demanding tasks at once. Activities like walking, which are automatic, can indeed enhance concentration during virtual meetings. However, attempting to juggle multiple tasks that require cognitive attention can be detrimental.

Nurmi elaborated on this conundrum, emphasizing that if you’re splitting your focus between two demanding tasks, you might miss out on essential discussions in the meeting. Additionally, the relentless need to toggle between tasks exhausts the brain.

Rethinking Virtual Interactions

The digital transformation of workplaces has made virtual meetings an integral part of our professional lives. While they offer numerous benefits, it’s essential to understand the underpinnings of virtual meeting fatigue. As this study from Aalto University highlights, engagement plays a pivotal role in our virtual experiences. By fostering a culture of active participation and minimizing distractions, we can optimize these interactions for better productivity and well-being.

—WTF fun facts

Source: “Virtual meetings tire people because we’re doing them wrong” — ScienceDaily

WTF Fun Fact 13608 – Harnessing Anger

by

In a surprising twist to conventional wisdom, a new study from the American Psychological Association reveals that anger, typically seen as a negative emotion, can significantly bolster our efforts in achieving challenging goals.

This intriguing finding shatters the myth that only positive emotions like happiness are conducive to success, painting getting mad in a rather motivational light.

The Power of Harnessing Anger in Goal Pursuit

The study, led by Heather Lench, PhD, a professor at Texas A&M University, delves into the functionalist theory of emotion. This theory posits that all emotions serve a purpose, guiding our responses to environmental cues. While sadness might signal a need for support, anger often indicates that it’s time to overcome an obstacle.

Researchers embarked on a journey through a series of experiments with over 1,000 participants. They induced various emotional states, from rage to amusement, and then set participants on tasks requiring them to achieve challenging goals. The tasks ranged from solving word puzzles to playing complex skiing video games. The results were eye-opening: those fueled by anger consistently outperformed those in a neutral state.

Real-World Implications

To ground their findings in real-world scenarios, the team turned their attention to the 2016 and 2020 U.S. presidential elections. They found that individuals who anticipated anger if their preferred candidate lost were more likely to cast their vote. This direct link between anger and proactive behavior further cements the notion that anger can indeed be a driving force for action.

The Dark Side of Harnessing Anger: A Cautionary Note

However, it’s not all rosy. The study also unearthed a darker aspect of the emotion: in certain situations, it led to unethical behavior, such as cheating to win. This serves as a reminder that while anger can be a potent motivator, it must be channeled appropriately to avoid negative outcomes.

The research spearheaded by Lench and her team adds a compelling layer to our understanding of emotions. It suggests that a blend of both positive and negative emotions is essential for well-being. Negative emotions, when wielded wisely, can be powerful tools in our quest for success.

In conclusion, this groundbreaking study not only challenges our perception of anger but also encourages us to embrace the full spectrum of our emotions. By doing so, we unlock a more nuanced approach to goal achievement, one where even anger can be an ally, propelling us forward in the face of challenges.

—WTF fun facts

Source: “Want to achieve your goals? Get angry” — ScienceDaily

WTF Fun Fact 13607 – Arizona Desert Fish

by

The discovery of Arizona desert fish is making researchers rethink the history of the world!

In a surprising revelation, researchers at the University of Minnesota uncovered an unexpected treasure trove of longevity within the freshwater fishes of the Arizona desert. Their study, recently published in Scientific Reports, highlights three species within the Ictiobus genus, also known as buffalofishes, with lifespans exceeding 100 years.

This groundbreaking discovery not only shifts our understanding of vertebrate aging but also positions these desert dwellers as potentially key players in aging studies across disciplines.

Longevity of Arizona Desert Fish Known as Buffalofishes

The central figures of this study are the bigmouth buffalo, smallmouth buffalo, and black buffalo. Native to Minnesota, these species often fall victim to misidentification, mistakenly grouped with invasive species like carp. Consequently, inadequate fishing regulations fail to protect these potential longevity lighthouses. The collaborative research effort, led by Alec Lackmann, Ph.D., from the University of Minnesota Duluth, delved into the lifespans of these species and unraveled their potential in aging research.

Dr. Lackmann’s approach to determining the age of the buffalofishes diverges from traditional scale examination. The team extracted otoliths, or earstones, from the cranium of the fishes. Like the rings on a tree, these otoliths develop a new layer annually. Through meticulous thin-sectioning and examination under a compound microscope, researchers could count these layers, unlocking the true age of the fish.

Remarkable Findings and Implications

The study’s results were nothing short of extraordinary:

  • Unprecedented longevity among freshwater fishes, with three species living over a century.
  • A population in Apache Lake, Arizona, primarily composed of individuals over 85 years old.
  • The likely survival of original buffalofishes from the 1918 Arizona stocking.
  • The development of a catch-and-release fishery, enhancing our understanding of fish longevity and identification.

Interestingly, these centenarian fishes were originally stocked into Roosevelt Lake, Arizona, in 1918. While their counterparts in Roosevelt Lake faced commercial fishing, the Apache Lake population thrived, undisturbed until recent angling activities.

Collaborative Efforts and Future Prospects

The study also highlights a robust collaboration between conservation anglers and scientists, with anglers contributing to scientific outreach and learning. When anglers observed unique markings on the buffalofishes, they reached out to Dr. Lackmann, initiating a partnership that would lead to this study’s pivotal findings.

Looking ahead, Dr. Lackmann envisions a bright future for studying these unique fish. Their exceptional longevity offers a window into their DNA, physiological processes, and disease resistance across a wide age range. The genus Ictiobus could become a cornerstone in gerontological research, with Apache Lake potentially emerging as a scientific hub for diverse research endeavors.

—WTF fun facts

Source: “Study uncovers hundred-year lifespans for three freshwater fish species in the Arizona desert” — ScienceDaily

WTF Fun Fact 13606 – Rooster Recognition

by

What’s rooster recognition? Well, it turns out that roosters might recognize themselves in mirrors. This finding from the University of Bonn not only sheds light on chicken behavior but also hints at broader implications for animal cognition.

Breaking Down the Experiment of Rooster Recognition

The traditional way of testing self-recognition in animals is through the “Mark Test.” An animal is marked in a spot they can’t see without a mirror. If the animal then inspects the mark in the mirror, it’s taken as evidence of self-recognition. However, this test can be problematic, as not all animals respond to it, potentially due to the artificial nature of the experiment.

Researchers at the University of Bonn, alongside the Ruhr University in Bochum, took a different approach. They focused on a behavior integral to chickens: the alarm call. Roosters often alert their peers to danger, like an approaching predator, through specific calls. Interestingly, when alone, they remain silent to avoid drawing attention to themselves. This natural behavior became the cornerstone of the experiment.

Roosters Responding to Reflection

In a controlled environment, the researchers projected an image of a predator and observed the roosters’ reactions. When in the presence of another rooster, separated by a grid, the birds frequently issued alarm calls. In solitude, these calls are drastically reduced. This showed that roosters typically alert their peers to danger.

The intriguing part came when researchers replaced the grid with a mirror. Facing their reflection and the simulated predator, the roosters rarely sounded the alarm. This suggested they didn’t perceive their reflection as another bird. While some may argue they saw a mimicking stranger in the mirror, the lack of alarm calls pointed to a potential self-recognition.

Understanding Animal Cognition

This study goes beyond just understanding animal cognition; it could influence how we conduct future research in the field. By integrating behavior that’s ecologically relevant to the species in question, researchers may obtain more accurate results. The classic Mark test might not always be the best indicator of self-recognition, as demonstrated by the roosters’ behavior.

The implications of this research extend beyond the barnyard. Understanding animal self-recognition and awareness is crucial for discussions surrounding animal rights and welfare. If animals like roosters possess a level of self-awareness previously unrecognized, it could call for a reevaluation of how we treat them.

—WTF fun facts

Source: “Roosters might recognize themselves in the mirror” — ScienceDaily

WTF Fun Fact 13605 – Grammar Stress

by

Researchers have found that grammatical errors can cause physical stress responses – yes, the grammar stress is real. This finding uncovers a unique aspect of the relationship between language cognition and our physiological reactions.

The study, led by Dagmar Divjak, focused on the autonomic nervous system (ANS), which controls vital functions like heart rate. Scientists utilized heart rate variability (HRV) as a stress indicator while participants listened to grammatically incorrect speech samples. HRV measures the time intervals between heartbeats, offering insights into stress levels.

Grammar Stress

Involving 41 British English-speaking adults, the study revealed a significant decrease in HRV when subjects encountered grammatical errors. This decrease suggests increased stress, as heartbeats became more regular with each grammatical mistake.

Implications of the Findings

The study’s results highlight the deep connection between cognition and physiology. It suggests that the ANS doesn’t just respond to physical demands but cognitive ones as well, challenging previous beliefs. Moreover, the findings propose a new method to assess linguistic knowledge implicitly, which could be valuable for evaluating brain health and language skills, especially in those unable to communicate verbally due to various reasons.

A New Perspective on Language and Stress

This groundbreaking research offers a novel perspective on how our bodies react to language, emphasizing the importance of linguistic precision not just for communication but for our physiological well-being too. The study, published in the Journal of Neurolinguistics, paves the way for further exploration into the intriguing connections between language and the human body.

The implications of this study extend beyond mere grammatical pedantry. They touch upon the potential role of physiological feedback in language learning and cognitive therapy. Understanding the stress responses to grammatical errors could inform new strategies for language teaching, making it more attuned to the learner’s physiological state. It could also lead to innovative therapies for individuals with language impairments or cognitive challenges, where heart rate variability could serve as a real-time indicator of linguistic comprehension and stress.

—WTF fun facts

Source: “Pedants, The Feeling Is Real. Hearing Bad Grammar Can Physically Stress You Out” — IFL Science

WTF Fun Fact 13604 – Reusable Bags

by

When you stroll through a supermarket aisle you might ask, “How often should I reuse my reusable bags to truly make an environmental difference?” To address this, recent studies have looked into the impact of various bag materials and their sustainability.

Understanding the Bag Life Cycle

Life cycle assessments, a cornerstone in evaluating the environmental footprint of a product, break down each stage: raw material acquisition, manufacturing, transportation, and disposal. Through this, one can gauge greenhouse gas emissions, water and energy consumption, waste disposal, and other environmental impacts.

Factors that further complexify the assessment include:

  • The bag’s material: Is it from virgin resin or recycled plastic?
  • Its origin: Where was it made, and how much transportation did it require?
  • Decorations on the bag, which can magnify its environmental cost.
  • The bag’s end-of-life: Is it recycled, reused, or simply discarded?

Crunching the Numbers: How Often to Use Reusable Bags?

Drawing from a 2018 Danish study, we get some startling numbers regarding the reuse of various bag materials compared to the standard plastic bag:

  • Polypropylene bags (the common green reusable ones): 37 times.
  • Paper bags: 43 times.
  • Cotton bags: A whopping 7,100 times.

Meanwhile, a UK study focusing strictly on climate change implications found:

  • Paper bags should be reused three times.
  • Low-density polyethylene bags: Four times.
  • Non-woven polypropylene bags: 11 times.
  • Cotton bags: 131 times.

It’s essential to note that reusing plastic bags, even as bin liners, amplifies the number of times an alternative bag needs reuse.

Debunking the Organic Myth of Reusable Bags

Interestingly, the same Danish study pointed out that organic cotton bags possess a more significant environmental footprint than their non-organic counterparts, largely because of increased production costs. Sometimes, our well-intentioned assumptions about sustainability might not align with reality.

A 2014 US study discovered that bags like LDPE and polypropylene did exhibit a lower environmental toll than regular plastic bags, but only with adequate reuse. The snag? Approximately 40% of consumers forget their reusable bags, resorting to plastic ones, thereby escalating the environmental load of their shopping.

Furthermore, the quantity of bags and their volume plays a role. The Danish study ensured an even playing field by standardizing bag volumes, sometimes requiring two bags for their evaluations.

Key Takeaways for Conscious Consumers

  1. Maximize Bag Usage: Regardless of the bag’s material, using it numerous times is key.
  2. Opt for Recyclable Materials: Prioritize bags made from materials that can be recycled.
  3. Simplicity is Sustainable: Bags adorned with prints or decorations can inadvertently increase their environmental cost.
  4. Prevent Litter: Always find ways to recycle, reuse, or repurpose your bags.

In our journey towards a more sustainable future, understanding the true impact of our daily choices, like which shopping bag to use, is crucial. With informed decisions, we can each contribute to a greener planet.

—WTF fun facts

Source: “Here’s how many times you actually need to reuse your shopping bags” — The Conversation

WTF Fun Fact 13603 – The Fight Over Taco Tuesday

by

Taco Bell enthusiasts across the U.S. have a reason to cheer: “Taco Tuesday” is now free for everyone to use in all 50 states, thanks to the fast food chain’s relentless legal battle.

Taco Bell’s Battle for the Beloved Term ‘Taco Tuesday’

The ubiquitous phrase might seem like a universal term. Still, until recently, legal restrictions prevented its widespread use. Taco Bell, believing that the phrase was too ingrained in popular culture to be trademarked, took action earlier this year. They sought to challenge two trademark regulations that limited the term’s use. The chain’s legal initiative wasn’t just for their benefit but aimed at ensuring that taco lovers everywhere could use and celebrate the term without hesitation.

Taco John’s, another prominent fast-food chain, had the trademark rights for “Taco Tuesday” in 49 states. But they folded to Taco Bell’s legal pressure, letting go of their trademark. Yet, there was still one last holdout – New Jersey.

New Jersey’s Tuesday Turmoil

The credit for “Taco Tuesday” in the Garden State goes to Gregory’s Restaurant and Bar, situated in Somers Point. They held onto their 1982 trademark for the phrase until this very week. But as they say, all good things come to those who wait.

Taco Bell’s patience paid off when the New Jersey restaurant decided to relinquish its rights, sealing Taco Bell’s victory across the nation. Their triumph allows everyone, from businesses to residents, to embrace the joy of “Taco Tuesday” without legal constraints.

Sean Tresvant, Taco Bell’s Chief Global Brand and Strategy Officer (and soon-to-be CEO), expressed the brand’s enthusiasm in a news release. He emphasized the company’s commitment to making “Taco Tuesday” accessible for everyone, whether they’re making, selling, or simply enjoying tacos.

In light of their legal win, the chain anticipates ushering in a new age for eateries throughout the U.S. The freedom to promote and relish “Taco Tuesday” now extends to all, from big chains like Taco John’s and Taco Bell to local taco joints.

Gregory’s Graceful Concession

But what about the man behind the trademark in New Jersey? Gregory Gregory, co-owner of Gregory’s Restaurant and Bar, held exclusive rights to the phrase for over three decades. However, he recently chose to step back, acknowledging the widespread love for “Taco Tuesday” that extended beyond his establishment.

In his statement, he shared his pride and excitement about the phrase’s history at his restaurant. And while the trademark might be gone, Gregory ensures that the delicious spirit of Tuesdays will remain a forever feature at his eatery.

—WTF fun facts

Source: “The Phrase ‘Taco Tuesday’ Can Now Be Used in All 50 States” — Food Network

WTF Fun Fact 13602 – Man Posed as Mannequin

by

Warsaw witnessed a theft straight out of a heist movie when a 22-year-old man stood motionless in a shop window and convincingly posed as a mannequin. Polish police have now charged the suspect, ensuring this innovative criminal won’t be blending into the backdrop anytime soon.

Man Posed as Mannequin in Broad Daylight

The audacious individual positioned himself amongst other display dummies, a bag in hand, in a store in the central Warsaw district of Śródmieście. Both staff and shoppers alike were completely fooled by his act. He didn’t move an inch, hoping to be mistaken for one of the display mannequins. It’s an act many might find challenging, but this man had apparently mastered the art of staying perfectly still.

His scheme wasn’t just about standing around, however. Once he felt he’d established his cover, he ventured deeper into the store, targeting the jewelry department. There, under the guise of after-hours shadows and amid the lifeless mannequins, he helped himself to various pieces of jewelry.

A Series of Shopping Centre Stunts

But the Warsaw shop window incident wasn’t this suspect’s first venture into crime. Polish police have linked him to a series of other incidents at shopping centers. On one occasion, after closing hours, he purportedly indulged himself at a shopping center bar, relishing whatever food was left out.

His appetite wasn’t limited to just food. He also visited a designer clothes shop, not for a casual shopping spree, but rather a sly swap. The suspect allegedly exchanged his attire for fresh clothes right off the racks. This particular incident gave away a crucial clue – he was caught on CCTV slipping through a minuscule gap under the store’s shutters, revealing both his audacity and agility.

Yet another event tied to him involves a more direct approach to theft. He is believed to have stealthily waited for a store to shut down for the day, after which he took cash from several registers. Apart from cash, he reportedly tried to pilfer other items from the store.

—WTF fun facts

Source: “Man who pretended to be mannequin in Warsaw shop window charged with theft” — The Guardian