Lessons

What is Facebook?
Facebook is the most popular social media in the world. It is also the most popular social media in Bangladesh. From the history of Facebook, it is known that it is an American organization. Anyone can open an account or ID on Facebook for free.
By Arfan Raihen2 years ago in History
5 Advanced Ancient Inventions We Still Can't Figure Out
When we think of our ancestors most of us probably picture them living in societies where technological advancements were limited and people lived fairly simple life. Well, some people consider a life without Wi-Fi and smartphones simple so they lived really simple lives and a lot of people would probably think that anything they invented back then we can not only easily replicate but we can improve upon it. Here are some ancient inventions that we are still struggling to understand today.
By Kevin's Home Alone2 years ago in History
K2-18b’s Life Hints Spark Cosmic Clash
Imagine a planet 120 light-years away covered in vapor where data hints of alien life flicker—a celestial inkblot testing humanity's need to believe. Last week, K2-18b, a “Hycean” world with oceans and a hydrogen-rich sky, became the universe’s newest Rorschach test. Scientists claimed its atmosphere bore fingerprints of dimethyl sulfide (DMS), a gas tied to Earthly plankton. Have we found E.T.? roared the headlines. However, at this point, skeptics are slamming the brakes and claiming that scientists are seeing shapes in cosmic static. Enter the James Webb Space Telescope—humanity’s ultimate truth-teller—now caught in a crossfire of interpretation. While one team insists they’ve spotted life’s graffiti in the starlight, others argue the signals vanish under scrutiny, dissolving like smoke in a black hole’s grip. Is this the dawn of astrobiology’s holy grail, or just another cosmic mirage? The search for alien life has just become more chaotic, louder, and infinitely more contentious, so buckle up.
By Tahir2 years ago in History
Hubble’s Stellar Saga
On John Grunsfeld’s bookshelf, a miniature Hubble Space Telescope stands beside a NASA shuttle—a quiet tribute to one of humanity’s greatest cosmic partnerships. These models mean more to Grunsfeld, a veteran astronaut who has fixed Hubble three times, than just engineering marvels. They stand for perseverance, rebirth, and a telescope that never gave up.
By Tahir2 years ago in History
Biography of Aubert Einstein the greatest scientist ever
Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who is best known for developing the theory of relativity. Einstein also made important contributions to quantum mechanics. His mass–energy equivalence formula E = mc2, which arises from special relativity, has been called "the world's most famous equation". He received the 1921 Nobel Prize in Physics for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect.
By Favour Nyimbili2 years ago in History
"Kingdom of Broken Crowns". AI-Generated.
The Crown of Veylor had once gleamed brighter than any star, its gold untouched by time, its gems stolen from the heavens themselves. For three hundred years, it sat atop the heads of kings and queens who ruled not just with power, but with pride, their banners stretching across the known world. But pride, like crowns, could be broken. It began with whispers. They slithered through the great stone halls of the royal palace, curling into the ears of lords and ladies. Whispers of famine in the east, of rebellion brewing among the miners in the mountains, of armies gathering beyond the misty borders. King Maeron dismissed them all. A lion does not fear the growl of a cub, he had once said. But he had forgotten that even lions can bleed. On the eve of the Winter Solstice, as snow fell like ash from a dying sky, the first crown broke. It was not Maeron's, but his brother's — Prince Calren, slain by an assassin’s blade during a feast meant to celebrate the unity of the realm. His death cracked the first line of defense, and like water through a broken dam, chaos rushed in. The capital burned before the first thaw of spring. Lady Vira, the last daughter of the once-mighty House Elowen, watched from the cliffs beyond the river as the smoke of her home choked the stars. She clutched the hilt of her sword — the only inheritance left to her now. It was said her ancestors had sworn fealty to the first crowned king of Veylor, their loyalty as unbreakable as their steel. Now, there was nothing left to be loyal to. The rebellion that had started in the mines became a roaring storm. Warlords crowned themselves in the mountains, pirates declared new kingdoms along the shattered coast, and cities that once sang the anthem of Veylor raised foreign flags. King Maeron, desperate to hold what little he had left, called upon ancient magics long buried — and cursed his lands in the process. The skies turned black for days. Rivers ran red with rust and blood. Crops withered in the fields. Children were born with weeping eyes and mouths that spoke secrets they should not know. The kingdom, already fractured, shattered completely. When Maeron finally fell, slain by his own councilors in the great hall where the first crown was given, the people thought the horror would end. They were wrong. The kingdom did not heal with the death of its king; it bled deeper, poisoned from within. In the ruins, Vira found her purpose. Not to reclaim a broken crown. No — she would become something different. Something stronger. The old kingdom had failed because it had relied on thrones and crowns — on symbols that meant nothing without the hearts of the people. Vira gathered the lost, the broken, the ones left to die in the ashes of fallen cities. She taught them not to serve a crown, but to serve each other. Not to bend the knee, but to stand tall. They called themselves the Ashen Order, and they wore no crowns. Their only symbol was a simple clasp of iron shaped like a flame, pinned over their hearts. But rebuilding is slower than destruction. For every village Vira reclaimed, another fell to the warlords. For every peace she brokered, blood was spilled in ten others. One night, as she camped under the hollowed bones of a fallen cathedral, an old seer came to her, her eyes clouded by smoke and wisdom. "The crowns have fallen," the seer rasped, sitting across the fire. "But the kings and queens of old still whisper in the dark. They will not let go so easily." Vira leaned forward, the firelight catching the hard planes of her face. "Then we must silence them." The seer laughed — a dry, broken sound. "You cannot silence the past. You must bury it. Deep enough that no greedy hand can ever unearth it again." And so, Vira set out on her final quest. Not to reclaim the Crown of Veylor. Not to rebuild the kingdom as it was. But to find every symbol of the old power — every crown, every sword of kingship, every relic of thrones — and destroy them. One by one. Her name became legend and curse alike. To those who clung to the old ways, she was the "Crownbreaker." To those who dreamt of freedom, she was "Vira of the Flame." Years later, when Vira herself fell in battle — not to an enemy, but to time, to the slow wearing away of all things — her followers lit a great pyre atop the cliffs where she had once watched her home burn. They cast the last crown into the flames. As it melted into molten gold, they sang a new anthem — one without kings, without crowns, without masters. And thus, the new world was born, not from the forging of a crown, but from its destruction. Because when crowns fall, kingdoms die — —but from the ashes, a people can rise.
By Abid khan2 years ago in History
900 Year Old Crusader Sword Discovered Off Israel’s Coast A Glimpse Into the Medieval Past
900 Year Old Crusader Sword Discovered Off Israel’s Coast A Glimpse Into the Medieval Past In October 2021 an extraordinary archaeological discovery was made off the northern coast of Israel a 900 year old Crusader sword lying on the seabed encrusted with marine life and remarkably well preserved after centuries underwater. This iron sword measuring just under four feet in length is believed to have belonged to a Crusader knight who was journeying to the Holy Land around 1100 AD during the early years of the Crusades. The find has captivated historians and the public alike offering a tangible link to a pivotal era in medieval history. The sword was found by Shlomi Katzin a recreational diver from the town of Atlit. While exploring a popular diving site near Haifa he came across ancient stone and metal anchors pottery fragments, and finally a sword covered in marine organisms. Understanding the significance of the object and the risk of it being buried again by sand or taken by looters Katzin retrieved the artifact and immediately contacted Israel's Antiquities Authority (IAA). Upon examination the IAA confirmed the sword to be approximately 900 years old. It was discovered in a natural anchorage used by ships since ancient times. The site had been monitored by the IAA due to its archaeological richness but the sword had only recently become visible due to shifting sands.
By Adnan Rasheed2 years ago in History
George Santos Sentenced to Over 7 Years in Prison for Fraud and Campaign Finance Crimes Introduction
Introduction In a stunning fall from grace, former U.S. Representative George Santos has been sentenced to more than seven years in federal prison for a litany of financial crimes, including fraud, money laundering, and identity theft. A dramatic political saga that saw Santos rise to prominence as a Republican congressman from New York before his extensive lies and criminal behavior were exposed comes to an end with the sentence. The 35-year-old disgraced politician, who once boasted an embellished résumé filled with falsehoods about his education, career, and even his heritage, now faces the consequences of his actions. U.S. District Judge Joanna Seybert handed down the 84-month sentence, calling Santos’ conduct “brazen” and “unprecedented in its scope.”
By Md. Saiful Islam2 years ago in History
"I can't begin my day without peanuts now that they nearly killed me"
A few years ago, I might have ended up in the ER or worse after eating just one peanut. These days, I eat peanut butter toast almost every morning without any fear. You're not the only one who wonders how that's even possible. Thanks to a ground-breaking treatment and a great deal of perseverance, my journey from a life-threatening allergy to a peanut lover has been nothing short of miraculous.
By Md Biplob Hossain2 years ago in History
India is a land of rich history, diverse cultures, and remarkable achievements. Here are some intriguing and lesser-known facts about this incredible country:
🧠 Ancient Innovations & Cultural Contributions Birthplace of Chess and Shampoo: India gave the world chess, originally called Chaturanga, and the concept of shampooing, derived from the Sanskrit word Champu, meaning to massage.
By Abjol Hussain Laskar2 years ago in History
A Story of True Faith
In the old days, a story of true faith in a small Arabian village lived a fair and respectable man named Salev. He was a poor farmer and worked hard on a small land to support his wife Fatima and her two children. His income was limited, but his heart was full of faith. His greatest wealth was his deep and unwavering trust in Allah.
By Tonoy Chandra Das 2 years ago in History
US allies express alarm at Trump’s plan to let Russia keep most of the land it seized from Ukraine
By Md.Imrul Khalid Date: 5:55AM Washington, D.C. — U.S. allies in Europe and NATO are growing increasingly concerned over reports that former President Donald Trump, if re-elected, may push Ukraine to cede occupied territories to Russia as part of a negotiated peace deal. Such a move, experts warn, could reward Moscow’s aggression, undermine international law, and destabilize European security.
By Md.Imrul Khalid 2 years ago in History