scientific research

WTF Fun Fact 13611 – Turning Data Into Music

Scientists are turning data into music to see if it can help us understand large and intricate datasets in new and interesting ways.

Tampere University and Eastern Washington University’s groundbreaking “data-to-music” algorithm research transforms intricate digital data into captivating sounds. And the researchers have presented a novel and potentially revolutionary approach to data comprehension.

Sonic Data Interpretation

At TAUCHI (Tampere Unit for Computer-Human Interaction) in Finland and Eastern Washington University in the USA, a dynamic research group dedicated half a decade to exploring the merits of data conversion into musical sounds. Funded by Business Finland, their groundbreaking findings have been encapsulated in a recent research paper.

Jonathan Middleton, DMA, the main contributor to the study, serves as a professor of music theory and composition at Eastern Washington University. Simultaneously, he is recognized as a visiting researcher at Tampere University. Under his guidance, the research pivoted on enhancing user engagement with intricate data variables using “data-to-music” algorithms. To exemplify their approach, the team utilized data extracted from Finnish meteorological records.

Middleton emphasizes the transformative potential of their findings. “In today’s digital era, as data collection and deciphering become intertwined with our routine, introducing fresh avenues for data interpretation becomes crucial.” So, he champions the concept of a ‘fourth’ dimension in data interpretation, emphasizing the potential of musical characteristics.

Turning Data Into Music

Music is not just an art form; it captivates, entertains, and resonates with human emotions. It enhances the experience of films, video games, live performances, and more. Now, imagine the potential of harnessing music’s emotive power to make sense of complex data sets.

Picture a basic linear graph displaying heart rate data. Now, amplify that visualization with a three-dimensional representation enriched with numbers, hues, and patterns. But the true marvel unfolds when a fourth dimension is introduced, where one can audibly engage with this data. Middleton’s quest revolves around identifying which mode or dimension maximizes understanding and interpretation of the data.

For businesses and entities that anchor their strategies on data interpretation to tailor offerings, Middleton’s research presents profound implications. So he believes that their findings lay the groundwork for data analysts worldwide to tap into this fourth, audial dimension, enhancing understanding and decision-making.

A Symphony of Data Possibilities

As data continues to drive decision-making processes across industries, the quest for innovative interpretation techniques remains relentless. Tampere University and Eastern Washington University’s “data-to-music” research illuminates a path forward. With the potential to hear and emotionally connect with data, industries can achieve a deeper understanding, making data analysis not just a technical task but also an engaging sensory experience.

— WTF fun facts

Source: “Complex data becomes easier to interpret when transformed into music” — ScienceDaily

WTF Fun Fact 13564 – Parasites Make Zombie Ants

Just what we need – zombie ants. Although, to be fair, this whole brain-controlling parasite thing sounds MUCH worse for the ants.

Nature’s Puppet Show

In Denmark’s Bidstrup Forests, ants unknowingly perform a choreographed dance. It’s orchestrated by a tiny parasite – the lancet liver fluke. This flatworm manipulates ants, driving them to the tip of grass blades and priming them for consumption by grazing animals.

It’s a strategy that ensures the parasite’s survival and researchers from the University of Copenhagen have delved deeper into the nuances of this relationship.

Creating Zombie Ants

One would imagine the parasite drives the ant to the grass top and leaves it there. But nature, as usual, is more complex.

A research team from the University of Copenhagen’s Department of Plant and Environmental Sciences discovered that the fluke intelligently navigates the ant’s actions based on temperature.

In the cool embrace of dawn and dusk, when cattle and deer graze, the infected ants climb to the grass’s pinnacle. But as the sun rises and temperatures soar, the fluke directs its ant host back down the blade, protecting it from the sun’s potentially lethal heat.

In other words, not only do the flukes turn the ants into “zombies,” the process is affected by temperature. The temperature-driven “zombie switch” fascinated the researchers. There was clear evidence that lower temperatures correlated with ants attaching to grass tips.

A Parasitic Mystery

Inside an infected ant, a multitude of liver flukes resides. Yet, only one needs to sacrifice itself to venture to the brain to assume control, altering the ant’s behavior.

This pioneering fluke, after ensuring the ant’s consumption by a grazer, also meets its end in the hostile environment of the grazer’s stomach.

However, the others, safely encased within the ant’s abdomen, are shielded in protective capsules, ensuring their survival and journey into the grazing animal’s liver.

By modifying their host’s behavior, these parasites significantly influence the food chain dynamics, affecting who eats whom in the natural world.

While understanding temperature-dependent control is a significant leap, the precise mechanics remain elusive. What chemical concoction does the liver fluke deploy to zombify the ants? That’s the next puzzle the team aims to solve.

While the concept of “mind control” might seem like science fiction, for the ants in the clutches of the liver fluke, it’s a daily reality.

— WTF fun facts

Source: “Brain-altering parasite turns ants into zombies at dawn and dusk” — ScienceDaily

WTF Fun Fact 13563 – Boosting Math Learning

A study from the Universities of Surrey and Oxford, Loughborough University, and Radboud University in The Netherlands suggests that electrical noise stimulation might be a tool to enhance math learning, especially for those who typically struggle with the subject.

What’s Neurostimulation?

Neurostimulation, a non-invasive technique that involves exciting specific brain regions, has the potential to enhance learning. However, we’ve long been limited in our understanding of the physiological transformations it induces in the brain – and the extent of subsequent learning outcomes.

The researchers aimed to fill this knowledge gap by investigating how electrical noise stimulation, when applied to the frontal part of the brain, might affect mathematical learning.

We’re not sure if that sounds better or worse than just studying harder. (Though this method typically involves applying a small electrical current to the scalp to influence the brain’s neuronal activity, and it doesn’t hurt.)

The Study

The study enlisted 102 participants. Their mathematical prowess was evaluated using a set of multiplication problems. Subsequently, the researchers divided them into four groups:

  1. A learning group exposed to high-frequency random electrical noise stimulation.
  2. An overlearning group that practiced multiplication problems, even beyond mastery, with the same high-frequency stimulation.
  3. Two placebo groups: both a learning and an overlearning group, where participants experienced similar conditions to real stimulation but without significant electrical currents.

Electroencephalogram (EEG) recordings were essential in this study as they provided a window into the brain’s activity both before and after the stimulation.

Stimulating the Brain for Math Learning

The study discovered a fascinating link between brain excitation levels and the impact of electrical noise stimulation.

Specifically, individuals who exhibited lower brain excitation when initially assessed on mathematical problems seemed to benefit from the stimulation by demonstrating improved mathematical abilities.

On the contrary, those with naturally higher brain excitability and those in placebo groups did not show notable improvements after the experiment.

Not everyone’s brain responds in the same way to external stimuli. The research indicated that individuals whose brains were less excited by mathematics before the stimulation showed improvement in mathematical abilities after the electrical noise stimulation. Those with already high levels of excitation did not show the same benefits.

This differential response suggests that the stimulation may have a sort of “ceiling effect” where it’s only effective up to a certain level of natural brain excitability.

The Implications of the Experiment

It may be the case that those with inherently lower brain excitability might be prime candidates for such stimulation, potentially experiencing a jump in learning outcomes. However, individuals with high brain excitability might not find the same benefit.

Professor Roi Cohen Kadosh reflected on the broader significance of the findings. He highlighted the profound nature of learning in human life, from mundane daily tasks like driving to intricate skills like coding. This research, according to him, gives a deeper understanding of the mechanisms and conditions under which neurostimulation could be effective.

The Future of Learning Math

The findings from this study hold the promise of reshaping approaches to learning. By understanding when and how to apply neurostimulation, tailored learning strategies could be developed.

Of course, everyone will form their own opinion about whether tinkering with the brain is worth the outcome.

While this study offers exciting insights, it’s part of an ongoing scientific conversation to see if the results are repeatable.

— WTF fun facts

Source: “Electrical noise stimulation applied to the brain could be key to boosting math learning” — ScienceDaily

WTF Fun Fact 13538 – The Power of Smelling Coffee

Do you perk up in the morning after smelling coffee? Maybe you start to feel it working even before you’ve had a sip. Or perhaps you do some of your best work at the coffee shop when you can smell those invigorating beans all day.

Well, that makes sense!

Coffee’s Olfactory Power

Many of us start our day with the intoxicating aroma of coffee. But there’s more to this scent than just an olfactory delight. In 2008, a group of researchers led by scientist Han-Seok Seo looked into the science behind this phenomenon. Their findings reveal that coffee’s aroma doesn’t just wake up the senses but might also rejuvenate the brain.

Smelling Coffee vs. Sleep Deprivation and Stress

Lack of sleep stresses the body and mind. Sleep-deprived individuals often grapple with cognitive and physical health challenges.

Given these effects, Seo’s team wondered if coffee’s aroma could counteract the negative impacts of sleep deprivation. Their subject of choice for this exploration? Laboratory rats.

The team exposed both well-rested and sleep-deprived rats to the scent of coffee. They then examined gene and protein expressions in the brains of these rats. The results were astonishing.

Rats exposed to the coffee aroma showed varied activity in 17 genes. Out of these, 13 exhibited different mRNA expressions when comparing the sleep-deprived group to the group that inhaled coffee while sleep-deprived.

Translating Science: What it Means for Us

In simple terms, inhaling coffee aroma seemed to recalibrate the brain’s workings. It potentially offsets the harmful impacts of sleep deprivation.

Among the impacted genes, some are linked to proteins with antioxidant properties. These antioxidants help protect nerve cells from stress-induced damage.

So, the smell of coffee might do more than just perk us up; it could protect our brain cells from stress-related harm.

The Power of Smelling Coffee Goes Beyond Coffee

Seo’s groundbreaking findings pave the way for more questions. If the aroma of coffee yields such benefits, what about other scents? Could the whiff of freshly baked bread or the scent of rain bring their own set of health benefits?

Next time the weight of sleeplessness bears down on you, remember the power of scent. As you pass a café or brew your morning cup, take a moment to inhale deeply. Behind that sense of alertness and the smile that follows lies a fascinating dance of molecules and biology.

— WTF fun facts

Source: “Coffee’s Aroma Kick-starts Genes In The Brain” — Science Daily

WTF Fun Fact 13536 – Digitizing Smell

In order to smell, our brains and noses have to work together, so the idea of digitizing smell seems pretty “out there.”

However, if you think about it, our noses are sensing molecules. Those molecules can be identified by a computer, and the smells the humans associated with them can be cataloged. It’s not quite teaching a computer to smell on its own, but maybe it’s best we don’t give them too many human abilities.

The Enigma of Olfaction

While we’ve successfully translated light into sight and sound into hearing, decoding the intricate world of smell remains a challenge.

Olfaction, compared to our other senses, is mysterious, diverse, and deeply rooted in both emotion and memory. Knowing this, can we teach machines to interpret this elusive sense?

Digitizing Smell

A collaboration between the Monell Chemical Senses Center and the startup Osmo aimed to bridge the gap between airborne chemicals and our brain’s odor perception. Their objective was not just to understand the science of smell better but to make a machine proficient enough to describe, in human terms, what various chemicals smell like.

Osmo, with roots in Google’s advanced research division, embarked on creating a machine-learning model. The foundation of this model was an industry dataset, which detailed the molecular structures and scent profiles of 5,000 known odorants.

The idea? Feed the model a molecule’s shape and get a descriptive prediction of its smell.

That might sound simple, but the team had to make sure they could ensure the model’s accuracy.

The Litmus Test: Man vs. Machine

To validate the machine’s “sense of smell,” a unique test was devised.

A group of 15 panelists, trained rigorously using specialized odor kits, was tasked with describing 400 unique odors. The model then predicted descriptions for the same set.

Astonishingly, the machine’s predictions often matched or even outperformed individual human assessments, showcasing its unprecedented accuracy.

Machines That Can ‘Smell’ vs. Digitizing Smell

Beyond its core training, the model displayed unexpected capabilities. It accurately predicted odor strength, a feature it wasn’t explicitly trained for, and identified distinct molecules with surprisingly similar scents. This accomplishment suggests we’re inching closer to a world where machines can reliably “smell.”

But for now, that’s overstating it. The team has made a major leap towards digitizing smell. But machines don’t have senses. They can only replicate the kind of information our brains produce when we smell things. Of course, they don’t have any sense of enjoyment (or repulsion) at certain smells.

In any case, the Monell and Osmo collaboration has significantly advanced our journey in understanding and replicating the sense of smell. As we move forward, this research could revolutionize industries from perfumery to food and beyond.

— WTF fun facts

Source: “A step closer to digitizing the sense of smell: Model describes odors better than human panelists” — Science Daily

WTF Fun Fact 13524 – Lobsters Don’t Age

Lobsters don’t age.

This sea-dwelling crustacean defies the conventional understanding of aging by not showing signs of age-related decline. Here’s why lobsters have intrigued scientists and could potentially reshape our understanding of aging.

Biochemical Wizardry and Lobster Age

The secret behind a lobster’s seemingly eternal youthfulness lies in its biochemistry. Lobsters produce a substance called telomerase. This enzyme plays a role in maintaining the length of telomeres, which are protective caps at the ends of DNA strands.

In most organisms, including humans, telomeres shorten as they age, leading to cellular degeneration and eventually death. Lobsters, however, keep pumping out telomerase throughout their lives, maintaining their telomere length and, consequently, their cellular integrity.

Lobsters Don’t Age – Or Become Less Fertile

Another fascinating feature is that lobsters don’t experience a decline in fertility with age. In many species, reproductive capabilities wane over time. Not so for the lobster. Older females produce even more eggs than their younger counterparts. This aspect has led some researchers to speculate that lobsters may follow a different, if not unique, aging trajectory compared to other animals.

Lobsters continue to grow throughout their lives by molting. This involves shedding their exoskeleton and growing a new one. You might think that this process would become less efficient as the lobster ages, but that’s not the case. Each molt can result in a 14% increase in body size, irrespective of the lobster’s age.

The Age-Energy Paradox

You would assume that continuously growing and molting would require a tremendous amount of energy, and that this might become a constraint as lobsters age. Interestingly, lobsters do not face such limitations. They maintain robust metabolic rates and energy reserves, challenging the notion that energy capacity diminishes with age.

Another marvel lies in the lobster’s immune system. It doesn’t show signs of weakening with age, unlike in humans and other animals. Their robust immune systems add another layer of mystery to their already intriguing biology.

While lobsters don’t weaken with age, they aren’t immortal. Their demise usually comes from external factors like predation or disease. In their natural habitats, they have plenty of predators, including larger lobsters, fish, and even humans. As they grow bigger and older, they also become more susceptible to capture because they make for a more enticing meal.

Lobsters Don’t Age But They Don’t Live Forever

Though their bodies may not betray them, environmental conditions can still impact a lobster’s lifespan. Changes in water temperature, increased pollution, and loss of habitat can affect their longevity. Still, these factors do not trigger the internal mechanisms of decline that aging does in most other organisms.

The study of lobsters has far-reaching implications for understanding aging in other organisms, including humans. Researchers are keen on exploring whether the principles of the lobster’s longevity and resistance to aging can somehow be applied to human medicine. There’s ongoing research into telomerase, and it’s considered a hot topic in anti-aging studies.

— WTF fun facts

Source: “Are lobsters immortal?” — Natural History Museum

WTF Fun Fact 13400 – Brain Processing Speed and Intelligence

Scientists have discovered something interesting about brain processing speed and intelligence. It turns out our decision-making abilities are not necessarily linked to intelligence.

A study by researchers from BIH and Charité – Universitätsmedizin Berlin found that individuals who performed better on intelligence tests were faster at solving simple problems but required more time for difficult tasks compared to those with lower scores.

How is brain processing speed related to intelligence?

In the popular imagination, thinking fast is usually associated with intelligence. There are studies that support this idea, but they might not have been considering a wide enough range of measures.

Personalized brain simulations revealed that brains with reduced synchronization between different regions tended to make hasty decisions. Meanwhile, higher-scoring participants took longer to solve complex tasks and made fewer mistakes. The findings, published in the journal Nature Communications, shed light on the intricate workings of the human brain.

How did they perform the research?

Led by Professor Dr. Petra Ritter, director of the brain simulation section at the Berlin Institute of Health and Charité – Universitätsmedizin Berlin, the researchers employed computer simulations to understand decision-making processes and their variations among individuals. They used digital data from brain examinations, such as magnetic resonance imaging, and mathematical models based on theoretical knowledge of biological processes, to develop “personalized brain models” that mirrored individual participants’ brain activity.

For the study, the researchers collaborated with the Human Connectome Project, which collects data on nerve connections in the human brain. The project provided data from 650 participants who had undergone cognitive tests and obtained IQ scores.

The results of brain processing speed research

The scientists discovered that the brains in both the simulations and real individuals exhibited different behaviors based on their levels of synchronization. Slower brains exhibited higher functional connectivity. This allowed neural circuits in the frontal lobe to delay decisions longer than in less coordinated brains. As a result of the temporal coordination, brains were able to gather more information before reaching a conclusion.

The study also revealed that reduced functional connectivity caused some brains to jump to hasty decisions instead of waiting for upstream brain regions to complete the necessary processing steps. The synchronization of brain regions, forming functional networks, influenced working memory and the ability to hold off on decisions for a longer time. Complex problems required holding information in working memory while searching for alternative solutions, leading to better results.

The research provides valuable insights into the balance between excitation and inhibition in the brain’s decision-making processes and its impact on working memory.

The implications

These findings have implications beyond understanding human intelligence. The improved simulation technology used in the study can potentially aid in personalized treatment planning for patients with neurodegenerative diseases like dementia or Parkinson’s. Computer simulations could help doctors estimate the most suitable interventions, medications, or brain stimulation techniques for individual patients, taking into account the likely efficacy and side effects of each approach.

By uncovering the complexities of brain function and decision-making, this research contributes to our knowledge of the human mind and may open new avenues for personalized medicine and treatment strategies in the future.

— WTF fun facts

Source: “Intelligent brains take longer to solve difficult problems” — Berlin Institute of Health

WTF Fun Fact 12986 – Healing A Broken Heart

All you need is love. Well, all you need is oxytocin, really. That’s the brain’s “love hormone.” When it’s released into our bloodstream by our hypothalamus, it helps us bond with others and feel happy. And it turns out it could also be the key to healing a broken heart.

And we mean the real kind of broken heart – this hormone may be able to help cardiac health after a heart attack, at least according to a study using zebrafish and human cells.

Studying how to heal a broken heart

 Frontiers in Cell and Developmental Biology published the study, which found that oxytocin also has the ability to “promote the regeneration of the heart after an attack.”

According to IFL Science (cited below): “During a heart attack, cardiomyocytes – highly specialized cells responsible for heart contractions – die off. This can be a problem as they cannot replenish themselves.”

However, it appears that a subset of cells in the outer layer of the heart can undergo reprogramming and become something calls Epicardium-derived Progenitor Cells (EpiPCs). The cool thing about EpiPCs is that they can eventually become different types of heart cells, including the ones that are killed off during a heart attack.

Unfortunately, these EpiPCs need some help since they can’t regenerate fully under normal conditions. That’s why researchers looked at zebrafish.

Zebrafish are able to regrow parts of their heart. Naturally, scientists wanted to see just how they managed to do it so efficiently in the hopes that they could spur this regeneration in humans.

The role of oxytocin

The experiments involved injuring the hearts of zebrafish (through freezing them). Researchers found that the genetic material that leads to oxytocin production showed a 20-fold increase in the brain. This triggered a biological process that ended in some cells turning into EpiPCs and migrating to the heart to develop into cardiomyocytes.

“Here we show that oxytocin, a neuropeptide also known as the love hormone, is capable of activating heart repair mechanisms in injured hearts in zebrafish and human cell cultures, opening the door to potential new therapies for heart regeneration in humans,” lead author Dr. Aitor Aguirre said in a news release.

Now, the question is whether we can make something similar happen in humans.

It turns out it may be possible. But we’ll have to find a way to activate the production of oxytocin in order to produce EpiPCs.  

“Oxytocin is widely used in the clinic for other reasons, so repurposing for patients after heart damage is not a long stretch of the imagination. Even if heart regeneration is only partial, the benefits for patients could be enormous,” Aguirre added.

Next steps towards healing a broken heart

Now, the team will need to look at oxytocin production in humans who have experienced cardiac injuries as well as drugs that can stimulate oxytocin production. But before working on humans, it’ll have to go through a pre-clinical trial stage.

“Next, we need to look at oxytocin in humans after cardiac injury. Oxytocin itself is short-lived in the circulation, so its effects in humans might be hindered by that. Drugs specifically designed with a longer half-life or more potency might be useful in this setting. Overall, pre-clinical trials in animals and clinical trials in humans are necessary to move forward,” Aguirre concluded. — WTF fun facts

Source: “Love Hormone” Oxytocin Could Help Mend A Broken Heart” — IFL Science