Before Radar: How Giant Acoustic Mirrors Detected Enemy Aircraft in WWI and WWII

Australian blood donor James Harrison has been one of our most impressive and valued donors, having donated for 60 years. Know his story, how he was a pioneer of our Anti-D program, and why this matters.

Irene Sendler was the Zegota resistance group's head of the children's department. She risked her life to smuggle children out of the Warsaw ghetto, place them with Polish families or orphanages, give each child a new identity, and keep records so that they could be returned to their families. In 1943, the Gestapo arrested and sentenced her to death, but she was rescued by Zegota.

Before alarm clocks were invented, there was a profession called a knocker-up, which involved going from client to client and tapping on their windows (or banging on their doors) with long sticks until they were awake. It lasted into the 1920s.

Icelandic women went on strike for equal rights on October 24, 1975. 90% of women walked out of their jobs and homes, effectively shutting down the entire country. The men were struggling to keep up. The following year, Parliament passed a law requiring equal pay. Iceland elected the world's first female President five years later. Iceland now has the highest gender equality rate in the world.

The humble word “pen” carries a rich history rooted in ancient times, derived from the Latin word penna, meaning “feather.” Long before modern pens revolutionized writing, feather quills—especially from geese—were the essential tools of scribes, scholars, and artists. This article journeys through the origins of the pen, its evolution, and fascinating trivia about the timeless connection between feathers and writing.

Volcanic eruptions can devastate cities, change the world's atmosphere, and devastate economic systems. They can create molten lava rivers, mudslides, suffocating ash, and poisonous gases that cause chaos around the world for years. A volcanic explosion's effects can be massive, from its size to its death toll to its economic cost. Here is ten world’s most destructive and dangerous volcanic eruptions in history.

On May 30, 1883, a rumor that the Brooklyn Bridge was going to collapse caused a stampede, which killed at least at twleve people. To prove the bridge was safe, P.T. Barnum led a parade of 21 elephants over it.

In 1891, Chicago challenged engineers to create a structure to surpass the Eiffel Tower for the World's Columbian Exposition. George Washington Gale Ferris jr. responded with the original Ferris Wheel, a giant rotating structure elevating visitors above the city. This invention became an iconic attraction at the fair.

The assassination of King Alexander of Yugoslavia marked a pivotal moment in the country's history. This article delves into the rise and reign of King Alexander, exploring his early life and ascension to the throne. It also examines the political and social climate in interwar Yugoslavia, setting the stage for the tensions and challenges that ultimately culminated in his tragic assassination. By understanding the context in which this event unfolded, we can better grasp the significance and impact it had on the nation and its future.

In China, Lotus shoes were used to bind women's feet to keep their feet small

Nathan "Nearest" Green was an African-American head stiller who is now more frequently referred to as a master distiller. He was renowned for imparting his distilling knowledge to Jack Daniel, the creator of Jack Daniel's Tennessee whiskey distiller, after Jack Daniel was freed from slavery following the American Civil War.

In the bustling vaudeville scene of early 20th century New York, a mysterious performer known as "Sober Sue" captured public imagination not for jokes or songs, but for her unshakable stoicism—she never smiled or laughed. A local theater even offered a tempting reward of $1,000 to anyone who could make her laugh, drawing crowds and famous comedians eager to claim the prize. Despite countless hilarious attempts, Sue remained expressionless, a mystery that baffled performers and audiences until it was revealed that she suffered from facial paralysis, explaining her unchanging demeanor.

The unbroken seal of Tutankhamun's tomb before it was opened in 1923, it was unbroken for over 3000 years.

At the 1912 Olympics, a marathon runner quit and went home to Japan without telling officials and was considered a missing person in Sweden for 50 years. In 1966, he was invited to complete the marathon. His time: 54 years, 8 months, 6 days, 5 hours, 32 minutes, and 20.379 seconds.

Between 1764 and 1767, a mysterious animal called the Beast of Gévaudan terrorized the French village called Gévaudan. It attacked and killed about 100 adults and children. While most believe it was a wolf, some say it may have been a wolf-dog hybrid, hyena or even a lion, but without any genetic evidence, the beast will remain a mystery forever.

This clay tablet, written in cuneiform, is the oldest known written customer complaint about the delivery of poor quality copper ingots. Originally from ancient Babylon, the tablet dates back to 1750 BCE, and it was written by a customer named Nanni to a merchant named Ea-Nasir. It is currently housed in the British Museum.

In 1944, George Stinney Jr. was 14 years old when he was executed in South Carolina. It took only ten minutes to convict him — and 70 years to exonerate him.

Poto and Cabengo, as the two girls called each other, communicated in their own language. The twins were ignored by their parents and secluded from the outside world because their father felt they were developmentally retarded, and their unique language evolved as a result of that neglect.

Discover the astonishing true story of Israeli pilot Zivi Nedivi, who safely landed an F-15 after a mid-air collision tore off its entire right wing. Learn how skill, quick thinking, and the F-15’s unique design turned a disaster into a legendary feat in aviation history

Lina Medina, a five-year-old Peruvian girl, became the youngest mother in history in 1939 when she gave birth to a boy.

Vince Coleman, a railway dispatcher, sacrificed his life in order to warn an incoming train of an imminent explosion. His telegraph said “Hold up the train. Ammunition ship afire in harbor making for Pier 6 and will explode. Guess this will be my last message. Good-bye, boys.” He saved 300 lives.

Albert Einstein's brain was taken by the opportunistic pathologist who performed his autopsy hours after he died and kept in two jars for 30 years. The stolen brain of Albert Einstein was preserved in a cookie jar for 30 years until being discovered by a journalist.

Ching Ling Foo and Chung Ling Soo were two magicians from the early 20th century who were bitter rivals. While Ching Ling Foo was genuinely Chinese, Chung Ling Soo was actually a New Yorker named William Robinson.

A man named Nicholas Winton saved 669 kids during WWII and lived almost all his life without letting people know.

In 1987 a man hijacked a television station during an episode of Dr. Who and wore a Max Headroom mask and uttered nonsense, and he still hasn’t been caught