Understand what everyone learns today and what resonates widely with people on r/todayilearned.
Posts with more than 1k upvotes
The discovery of the only known naturally occurring nuclear fission reactor in Oklo, Gabon, which was active 1.7 billion years ago, has sparked significant interest. This reactor, identified in 1972, operated due to a high concentration of uranium-235 and groundwater acting as a neutron moderator, allowing for self-regulating fission reactions. The reactor produced approximately 15,000 megawatt-years of energy over hundreds of thousands of years. This finding has implications for understanding nuclear waste storage and the natural processes that can sustain fission reactions over geological timescales.
A Reddit post reveals that Keanu Reeves speaks only 380 words throughout the 169-minute runtime of 'John Wick: Chapter 4.' This surprising statistic has sparked a lively discussion among users, with many humorously comparing the number of words spoken to the number of bullets fired in the film. Comments highlight the film's action-packed nature, with one user noting that Wick kills approximately 140 people, suggesting a high bullets-to-words ratio. The conversation also touches on theories about Wick's character development and the impact of trauma on his dialogue, showcasing the community's engagement with the film's unique storytelling approach.
A fascinating TIL post reveals that Ernest Hemingway survived two plane crashes just one day apart while on safari. The second crash resulted in a fire, forcing him to smash open the door with his head, leading to severe burns and skeletal injuries. Presumed dead, he astonishingly emerged from the jungle 'in high spirits,' carrying bananas and a bottle of gin. This incredible tale sparked discussions about Hemingway's adventurous life, his resilience, and the embellishments often found in his storytelling, as well as reflections on his complex personality and struggles.
The Great Siege of Gibraltar, often overlooked in American Revolutionary history, was the largest battle of the conflict, involving Spain's attempt to reclaim Gibraltar from Britain. This siege, which lasted from 1779 to 1783, was marked by significant military expenditures from both Spain and France, ultimately proving futile due to British naval superiority. Commenters on a popular Reddit post discussed the implications of the siege, noting that it diverted resources away from the Americas, inadvertently aiding American expansion. The discussion also highlighted the complexities of historical narratives and the interconnectedness of global conflicts during this period.
After losing his presidential reelection bid, John Quincy Adams contemplated retirement but instead embarked on a remarkable political journey, winning nine Congressional elections. His most notable achievement was successfully arguing before the U.S. Supreme Court for the freedom of the Amistad slaves, showcasing his commitment to human rights. This post, which gained significant traction on Reddit, sparked discussions about Adams' legacy, his integrity, and comparisons to other presidents, highlighting the complexities of political careers and the impact of personal convictions on public service.
Polish javelin star Maria Magdalena Andrejczyk auctioned her Olympic silver medal to raise funds for an 8-month-old boy needing life-saving heart surgery. The medal was purchased by a Polish convenience store chain, Zabka, for $125,000, but they allowed her to keep it, showcasing a remarkable act of generosity. This story, which received over 3,100 upvotes, highlights the power of altruism in sports. However, it took a tragic turn when it was revealed that the child passed away six months later, underscoring the complexities of healthcare and the impact of noble intentions.
A Reddit post reveals that one of the most iconic Bugs Bunny cartoons originated from a peculiar directive by the head of Warner Bros. Cartoons, who prohibited the animators from creating any cartoons about bullfighting. This unexpected restriction sparked creativity among the animators, leading to the development of a celebrated cartoon. The post generated significant discussion, with commenters reflecting on how such constraints can often inspire innovative ideas, likening it to reverse psychology in creative processes. This phenomenon highlights the unpredictable nature of creativity in the face of limitations.
A Reddit post reveals the Fregoli Delusion, a rare psychological condition where individuals believe that different people they encounter are actually the same person in disguise. This intriguing topic garnered over 1,130 upvotes and sparked a lively discussion in the comments, with users humorously referencing the delusion and joking about their own experiences. Comments ranged from playful accusations of identity manipulation to light-hearted banter about social media interactions, showcasing the community's engagement with the concept and its implications on perception and reality.
A fascinating fMRI study revealed that nipple self-stimulation activates the same genital sensory cortex as clitoral, vaginal, and cervical stimulation. This finding challenges traditional views on female sexuality and highlights the complexity of sexual arousal. The post, which received over 9,300 upvotes, sparked a lively discussion on Reddit, with users sharing personal anecdotes and debating the implications of the study. Some commenters praised the participants' bravery, while others questioned the necessity of such research, emphasizing the diverse experiences of women regarding sexual pleasure.
The post highlights Patum Peperium, a unique Gentleman’s Relish produced in Britain since 1828, which boasts a secret recipe known only to one employee. This intriguing aspect has sparked discussions among Reddit users, with some speculating that the secrecy is a marketing strategy. Comments reveal a mix of humor and skepticism, with users debating the ingredients, including anchovies and a blend of herbs and spices, and questioning the vegetarian label. The conversation reflects a broader curiosity about food secrets and the lengths companies go to maintain them.
A widely upvoted Reddit post reveals that Augustus Pugin, the designer of Big Ben, experienced a tragic fate after completing his work. Shortly after submitting his designs, he went insane and was not credited for his contributions, which sparked discussions about the lack of recognition for architects and designers. Commenters highlighted the anti-Catholic discrimination Pugin faced, which contributed to his marginalization. The post also ignited debates about the proper naming of Big Ben, clarifying that while the tower is officially called the Elizabeth Tower, it is commonly referred to as Big Ben, which is actually the name of the Great Bell.
Bob Moore, the founder of Bob’s Red Mill, made headlines for his principled decision to refuse selling his $100 million company to corporations, instead opting to share ownership with his 700 employees through an Employee Stock Ownership Plan (ESOP). He cited the biblical principle of treating others as one would like to be treated. This decision not only empowered his employees but also allowed the company to thrive, selling products in over 70 countries. The post has sparked discussions about corporate ethics and employee ownership, with many praising Moore's commitment to his values and the well-being of his workforce.
A popular Reddit post reveals that 'flotsam' refers to goods, such as shipping containers, floating on water due to a wreck. The law allows finders to claim flotsam unless ownership is established. The discussion also introduces related terms: 'jetsam' (cargo intentionally thrown overboard), 'lagan' (goods on the ocean floor but reclaimable), and 'derelict' (lost cargo). This post, which received over 6,500 upvotes, sparked conversations about maritime law, the implications of salvage rights, and even cultural references like the eels in 'The Little Mermaid'.
The Apollo 11 astronauts faced a unique challenge before their historic mission: they couldn't secure life insurance. To address this, they ingeniously signed hundreds of autographs, which they referred to as 'insurance autographs.' These autographs were intended for their families to sell in the event of a tragedy during the mission. This clever workaround not only highlights the risks the astronauts faced but also sparked discussions among Reddit users about the government's insurance policies and the significance of these autographs in the context of space exploration.
A Reddit post highlights the rare condition known as fibrodysplasia ossificans progressiva (FOP), where soft tissues gradually turn into bone, leading to severe mobility issues and chronic pain. The discussion reveals personal experiences from users, including stories of friends suffering from similar conditions like ankylosing spondylitis. Commenters express empathy and share insights on treatment options, such as immunosuppressive injections, while also discussing the emotional and physical toll of living with such debilitating diseases. The post has sparked significant engagement, reflecting a deep interest in understanding rare medical conditions.
A fascinating post reveals the dramatic social structure of dinosaur ants, where ambitious females who challenge the queen face severe consequences. When a high-ranking ant attempts to usurp the queen, she is immobilized for up to four days by loyal workers, losing all hope of reproduction and relegated to the working class. This behavior, observed by researchers, highlights the complex dynamics of power and punishment in ant societies, drawing parallels to human political struggles. The ruling queen uses a potent pheromone to enforce her dominance, showcasing the intricate social hierarchies in these insects.
A fascinating Reddit post reveals that a small percentage of honeybees, specifically 1-2%, take on the specialized role of undertakers within their colonies. These undertaker bees play a crucial role in maintaining hive health by removing deceased bees, thereby preventing the spread of disease. The post, which received over 1,197 upvotes, sparked a lively discussion among users, with comments ranging from humorous observations about the bees to playful references to pop culture. This insight into bee behavior highlights the complex social structure and responsibilities within a bee colony.
A Reddit post reveals the poignant last words of Apache leader Geronimo: "I should have never surrendered. I should have fought until I was the last man alive." This statement reflects his deep regret over surrendering to U.S. forces, which led to his later exhibition at fairs, highlighting the exploitation of Native American figures. The post sparked discussions about Geronimo's life, including his autobiography and the historical context of his actions, as well as the broader implications of his legacy in American history.
Research indicates that reading the Harry Potter series can reduce prejudice against minority groups, fostering empathy among readers. This finding has sparked discussions on the broader impact of fiction on empathy, with many commenters sharing personal insights about how reading enhances understanding of diverse perspectives. Some argue that the current empathy crisis in society may be linked to declining reading habits, while others question whether reading leads to empathy or if empathetic individuals are simply more inclined to read. The conversation also touches on the complexities of the author's views and the portrayal of various characters in the series.
A highly upvoted Reddit post reveals that actor Zero Mostel faced the House Un-American Activities Committee (HUAC) early in his career due to alleged communist ties. During his testimony, Mostel cleverly deflected questions, using humor to challenge the committee's claims and refusing to name others. This incident sparked a lively discussion among commenters, who shared anecdotes and opinions about Mostel's legacy, the absurdity of the HUAC's actions, and the broader implications of political repression in America. The conversation also touched on the notorious figure Roy Cohn, highlighting the ongoing relevance of these historical events.
In South Korea, a unique law established in 1912 allows only blind individuals to obtain a masseur's license, aimed at providing employment opportunities for the visually impaired. This law was reaffirmed by the Constitutional Court in 2008. Despite this regulation, many sighted massage therapists operate, particularly in tourist areas, often without licenses. The discussion surrounding this law highlights the challenges faced by blind individuals in the workforce and raises questions about the balance between legal frameworks and practical realities in the massage industry.
A widely upvoted Reddit post reveals that graphene is the thinnest two-dimensional material known, boasting a strength 200 times greater than steel and exceptional electrical and thermal conductivity. Despite its remarkable properties, the material faces challenges in mass production, leading to skepticism about its practical applications. Commenters express frustration over the slow progress in utilizing graphene outside laboratory settings, with some suggesting that its potential remains largely unfulfilled. The discussion highlights both the scientific excitement surrounding graphene and the ongoing hurdles in making it commercially viable.
While filming the iconic movie 'Metropolis' in 1927, the production team often found themselves with more children on set by evening than they had in the morning. Many of these children, hailing from impoverished areas of Berlin, would sneak onto the set to enjoy the warmth, games, and food provided. The children became enthusiastic participants, even in challenging scenes, showcasing their willingness to engage with the film's demands. This heartwarming anecdote highlights the intersection of cinema and social conditions during a tumultuous period in history.
A Reddit post reveals that Apollo 12 was ready to launch just two months after Apollo 11 in case of a failure to land on the Moon. However, following Apollo 11's successful mission, the launch interval was extended to four months, with Apollo 12 eventually landing on November 19, 1969. The post, which received over 2,000 upvotes, sparked discussions about the lesser-known Apollo 12 crew members, Charles Conrad and Alan Bean, and their contributions, as well as humorous comments about the famous quotes associated with the missions.
In 2001, Warner Bros faced a significant issue when they had to recall all copies of 'The Powerpuff Girls' DVD due to a computer virus, FunLove, embedded in its software. This virus posed a risk of spreading to any PC that installed the DVD-ROM programs. The incident sparked discussions among Reddit users about similar recalls in the gaming industry, including Bungie's near-collapse due to a faulty uninstaller for 'Myth II: Soulblighter' and CCP's problematic update for 'EVE Online' that deleted critical system files. These examples highlight the importance of rigorous quality assurance in software releases.
The founder of Bose, an audio electronics manufacturer, made a significant philanthropic gesture by donating most of his shares to the Massachusetts Institute of Technology (MIT), making the institution the majority shareholder. This act has sparked discussions among Reddit users, with some noting that only non-voting shares were donated, meaning MIT does not control the company. The conversation also highlighted the importance of such donations for educational institutions, with users emphasizing MIT's substantial endowment and its role in supporting students through scholarships. Overall, this post illustrates the intersection of corporate philanthropy and higher education funding.
The Tenerife air disaster, the deadliest accident in aviation history, occurred in 1977 when multiple planes were diverted to a small airport due to a bomb threat at their original destination. The overcrowded airport, combined with thick fog and poor communication, led to a catastrophic collision between two aircraft. Notably, none of the victims had tickets to Tenerife, highlighting the chaotic circumstances. The incident prompted significant changes in aviation safety protocols, emphasizing the importance of clear communication and crew resource management to prevent similar tragedies in the future.
A fascinating Reddit post reveals that certain ant species have domesticated butterflies, specifically those with a unique 'honey gland' that produces a sugary substance to attract ants. This relationship allows ants to benefit from the butterflies while providing protection in return. The post, which received over 1,400 upvotes, sparked lively discussions among users, with many sharing humorous takes and additional insights about ant behavior, including their farming of aphids for honeydew. This highlights the complex interspecies relationships in nature and the intriguing behaviors of ants.
The Night of the Big Wind, a catastrophic storm that struck Ireland on January 6, 1839, is highlighted in a popular Reddit post. This storm was the most severe in centuries, causing over 20% of houses in Dublin to be damaged or destroyed. The intensity of the storm led many to believe that the world was ending. Comments on the post reflect a mix of humor and historical curiosity, with users sharing anecdotes and discussing the storm's impact on early pension systems, where applicants' memories of the event were used as a basis for eligibility.
The first ATM, developed by Luther George Simjian, was installed in 1939 in New York City but was removed after six months due to poor customer acceptance. This early machine, known as a 'mechanical cash dispenser,' paved the way for future ATMs, which emerged in the 1960s. The discussion highlights the initial skepticism towards automated banking, with many users sharing insights about the evolution of ATMs and their impact on banking practices. The conversation also touches on the social dynamics of ATM usage, revealing that early users were often those seeking discretion.
A Reddit post reveals that Anne Spielberg, sister of renowned director Steven Spielberg, co-wrote the iconic film 'Big.' This revelation, which garnered over 1,164 upvotes, sparked a lively discussion among users, with many sharing humorous and creative ideas for a potential sequel. Commenters proposed various storylines, including a dark twist involving the mother of the child who mysteriously transformed into an adult. The post highlights the interconnectedness of the Spielberg family in the entertainment industry and showcases the community's engagement with nostalgic films.
A notable Reddit post reveals that Tupac Shakur had a deep appreciation for Don McLean's song "Vincent," which was played for him shortly before his death in 1996. The song's themes of isolation and artistic struggle resonated with Tupac, reflecting his own life experiences. Commenters highlighted the emotional depth of the song and its connection to Van Gogh's pain, while also discussing Tupac's eclectic musical taste and artistic background, including his early involvement in theater. This revelation adds a poignant layer to Tupac's legacy as an artist who understood the complexities of human emotion.
During the Obon festival in Japan, families honor their ancestors by creating a cucumber horse and an eggplant cow, which are believed to serve as vessels for the spirits to return home. This annual holiday emphasizes family reunions and the connection to deceased relatives, with altars adorned with offerings like flowers and straw figures. The post, which received significant attention, sparked discussions comparing Obon to other cultural practices like Dia de los Muertos, highlighting the universal themes of remembrance and familial bonds across different cultures.
A 71-year-old man, Curtis Reeves, was acquitted of murder after claiming self-defense in a shooting incident at a movie theater, where he shot Chad Oulson following an argument over texting during previews. The case drew significant attention, with many commenters expressing outrage over the acquittal, citing Florida's broad stand-your-ground laws and the influence of Reeves' background as a retired police captain. The incident sparked discussions about the dangers of escalating conflicts and the perceived leniency towards individuals with law enforcement backgrounds in the judicial system.
A Reddit post reveals that George Jetson, a character from the animated series, became a father at 24 when Jane was only 16 or 17. This revelation sparked a lively discussion among users, with many commenting on the implications of their age difference and the societal norms of the time. Some users pointed out that the age of consent in the 1960s was lower than today, while others debated the character dynamics within the show. The conversation also touched on the portrayal of family relationships in media, highlighting how perceptions of such relationships have evolved over time.
A highly upvoted Reddit post reveals that Max Planck, often regarded as the father of quantum theory, initially viewed his quantum hypothesis merely as a mathematical tool rather than a groundbreaking discovery. It wasn't until Albert Einstein interpreted Planck's ideas in a more realistic context that their significance in explaining physical phenomena became clear. The post sparked discussions on the implications of quantum mechanics, including the debates surrounding the Copenhagen interpretation and the EPR paradox, highlighting the ongoing complexities and philosophical questions in understanding quantum reality.
Tommy Cooper, a beloved Welsh magician and comedian, tragically died on stage during a live broadcast in 1984, leaving 12 million viewers initially believing it was part of his act. His unique style involved intentionally botching tricks, which made his sudden collapse all the more shocking. The audience erupted in laughter, unaware they were witnessing his final moments. This incident sparked discussions about the nature of comedy and the fine line between performance and reality, with many reflecting on the bittersweet beauty of his last performance.
The 1987 film Million Dollar Mystery featured a unique promotional contest where $1 million was hidden in a location that viewers had to identify. 14-year-old Alesia Lenae Jones won the contest by correctly deducing that the money was hidden in the bridge of the nose of the Statue of Liberty. Despite the film's poor box office performance, grossing only $989,033 against a $10 million budget, the contest attracted 356,306 entries, leading to a lottery for the prize. This unusual marketing strategy sparked discussions about its effectiveness and the film's legacy.
A widely upvoted post reveals that until the 1980s, U.S. television stations would sign off at night, often showcasing patriotic montages of American landmarks and military imagery set to the Star-Spangled Banner. This practice was common before the rise of infomercials, which allowed stations to remain on air overnight. The post sparked discussions about the evolution of broadcasting technology, with commenters noting that modern digital systems no longer require stations to go off-air for maintenance, as signals can be switched seamlessly between sources.
The pilot episode of Star Trek: Voyager stands out as one of the most expensive television episodes ever, costing $23 million. This high budget was attributed to various factors, including the recasting of the lead actress shortly after filming began, which necessitated reshoots. Fans praised Kate Mulgrew's performance as Captain Janeway, noting that her portrayal significantly improved the series. The discussion also highlighted the financial implications of producing a new show for a launching network, with comparisons drawn to other series like Lost, which had a lower budget despite featuring a plane crash. Overall, the post sparked a lively debate about production costs and creative decisions in television.
A Reddit post reveals that Adolf Hitler narrowly escaped death from a malfunctioning V-1 bomb that struck his headquarters during World War II, where he was strategizing against the Normandy landings. This incident, which garnered significant attention with over 8,700 upvotes, sparked a lively discussion among users about the numerous times Hitler evaded death. Commenters speculated on the implications of his survival, with some suggesting that his death could have altered the course of the war, while others humorously theorized about time travelers intervening to prevent his demise.
During the filming of 'Spider-Man: Homecoming,' a humorous rapport developed between Tom Holland and Michael Keaton, where Keaton would jokingly whisper 'I’m Batman' in Holland's ear during fight scenes. This playful banter added a light-hearted element to the set, with Holland recalling a cut scene where Keaton's character, the Vulture, questions why Spider-Man saves him, leading to a comedic exchange. The post, which gained significant traction, highlights the camaraderie and fun behind the scenes of a major film production, showcasing the actors' chemistry and humor.
In 1855, a Portuguese writer, who did not speak English, authored a book in English filled with unintentional errors, which later gained fame, including a version prefaced by Mark Twain. This intriguing story highlights the humorous side of language barriers and miscommunication, as evidenced by comments referencing Monty Python's sketches and absurd phrases like 'to craunch the marmoset' for waiting. The post, which received over 1,800 upvotes, sparked a lively discussion about language mishaps and the quirks of translation, showcasing the community's appreciation for linguistic humor.
A Reddit post reveals that the 2022 Cyprus earthquake resulted in no human casualties, but tragically led to the death of 1,600 chickens due to a stampede caused by their panic. This unusual outcome sparked a lively discussion among users, with many sharing anecdotes about chickens' instinctual flight responses to perceived threats. Commenters noted that chickens often react blindly to startling situations, leading to self-harm. The post highlights the unexpected consequences of natural disasters on animals and the humorous yet tragic nature of the incident.
A widely upvoted post reveals that orcas typically spend their entire lives with their mothers, with the notable exception of Luna, a young orca who became separated from his pod. Luna was known for his playful interactions with locals in Nootka Sound, where he sought socialization. Tragically, Luna was killed by a tugboat while attempting to engage with it, highlighting the dangers of human interaction with wildlife. The post sparked discussions about the emotional impact of Luna's death and the complexities of wildlife conservation, including the failed attempts to reunite him with his pod.
A humorous Reddit post reveals a bear in Washington's Baker Lake Resort that indulged in a beer binge, consuming around 36 cans of Rainier after initially trying a can of Busch. Wildlife agents found the bear 'passed out' and attempted to chase it away, but it climbed a tree to sleep off its intoxication. Eventually, they captured the bear using a humane trap baited with donuts, honey, and open cans of Rainier. The story sparked a flurry of jokes and memes, showcasing the community's creativity and humor surrounding the bear's antics.
A Reddit post reveals that the only renewable energy source in Hong Kong is the Lamma Winds Wind Farm, which features a single 800 kW wind turbine. This turbine generates enough power for approximately 250 households under ideal conditions, highlighting the limited renewable energy capacity in the region. The discussion in the comments delves into Hong Kong's reliance on fossil fuels for domestic energy generation, with about 75% of its power coming from fossil fuel plants and 25% imported, primarily from a nuclear facility in mainland China. This situation underscores the challenges Hong Kong faces in transitioning to sustainable energy sources.
The Baljuna Covenant, a pivotal alliance formed by Genghis Khan, exemplifies a remarkable diplomatic achievement that united diverse tribes, including former enemies. This alliance emerged during a low point in Khan's career, following a defeat, where he swore loyalty to other tribes in exchange for their support. The discussions surrounding this event reveal insights into Khan's leadership style, characterized by his ability to inspire loyalty and tolerance among various cultures, despite his notorious reputation for brutality. Commenters on the post reflect on the complexities of his character and the historical context of his actions.
Jordan Rice, a 13-year-old Australian boy, became a symbol of bravery when he sacrificed his life during devastating floods to save his younger brother, despite his own fear of water. His selfless act has inspired many and continues to resonate as a poignant story of heroism. The tragedy was compounded by allegations of emergency services mishandling the family's distress call, raising questions about accountability and the human cost of bureaucratic failures. This narrative has sparked discussions on social media about the nature of heroism and the systemic issues surrounding emergency response.
A highly upvoted Reddit post highlights the story of James Clyman, an American mountain man who documented the harrowing tale of Hugh Glass' bear mauling, famously depicted in 'The Revenant.' Clyman also advised the ill-fated Donner-Reed Party against taking a dangerous shortcut on their journey to California. Ignoring his warning, the party became trapped in the Sierra Nevada during a harsh winter, leading to cannibalism as they struggled to survive. This historical account has sparked discussions about the consequences of poor decision-making and the tragic fate of the Donner Party.