The iconic Aztec 'crystal skulls' were 19th-century fakes

An Aztec skull whistle discovered in the 1990s was mistaken for a toy

In the late 1990s, archaeologists unearthed a sacrificed man clutching two skull-shaped clay whistles at a Mexico City temple to the wind god Ehecatl (eh-HEH-kahtl). Initially dismissed as toys, the instruments produce a scream-like sound that modern brain scans show triggers fear and urgency responses in listeners. This podcast explores the discovery.

The history of skull modification

The ancient Maya people sometimes modified their skulls to appear more conical. Body modification has been a human pastime for literal ages, from piercings to bindings and everything in between. Modifying one's skull shape may have been a way to symbolize status, beauty, belonging, or belief. The health impacts of such practices are still debated. This article explores the history and health impacts of skull modification, also known as artificial cranial deformation.

Can you guess which ancient human skull is which?

When scientists discover a new fossil skull, they compare it to skulls that have already been identified as particular early human species. In this activity, you get the chance to be the scientist! Choose a mystery skull to identify by clicking on it.

A funeral director lied and claimed he discovered a centuries-old Roman brooch

An amateur metal detectorist knowingly deceived thousands into believing he found an 1,800-year-old horse figurine. He received payment for the artifact to be featured in a museum, but he later admitted he bought the brooch online and planted it.

Aliens have invaded ancient history

Avid fans of archaeology can sometimes fall prey to unsubstantiated claims like "aliens built the pyramids," provocative, dubious theories which fall under the category of pseudo-archaeology. Many of these claims are premised on hidden biases toward non-Western cultural heritages. This professor explores the hidden contours of pseudo-archaeology in this 12-minute TED talk.

Maya jade earflares were believed to open pathways to the divine

Carved from rare, hard-to-work jadeite, Maya earflares symbolized vitality and timelessness. Seen as living objects, they were believed to act as portals between the human and supernatural worlds, making finely crafted examples especially prized.

Psychoactive drugs found in 1,000-year-old bag made of fox noses

Archaeologists in Bolivia have uncovered an ancient bag filled with "amazing goodies" that suggests the owner or owners were well-versed in the properties of psychoactive substances and sourced goods from well-established trade routes. This article details the findings, which shed light on how ancient peoples in the region consumed and obtained psychoactive substances.

Civilizations of the past mistook dinosaur fossils for dead mythological creatures

Without knowledge of evolution or extinction, people believed such fossils were the bones of massive animals no one had ever seen alive, including dragons and giants. It was not until the science of paleontology and studies of extinction that these ideas were overturned definitively.

When did people start making and using glass?

This article details the search for the ancient origins of glass, a now-common item through which archaeologists can spot histories of trade and innovation. Bronze Age glass was made from crushed quartz instead of sand, and artisans could color glass with materials such as cobalt. These trace metallic add-ons have given scientists a vital clue into the origins of glass, which is currently debated as either Egypt or the Near East.

The Rosicrucian Egyptian Museum: a virtual tour

The Rosicrucian Egyptian Museum houses the largest collection of Egyptian artifacts on exhibit in western North America. Located in San Jose, California, the museum is home to over 4,000 artifacts, including four mummified individuals. The institute was founded by the centuries-old mystical Rosicrucian brotherhood, a group which claims special awareness of ancient wisdom. Take a 3D tour, complete with descriptions of some its most famous pieces.

The Aztecs synced their solar calendar with a complex 260-day ritual cycle

Researchers have uncovered how the Aztecs aligned their agricultural solar calendar with a symbolic 260-day ritual calendar, utilizing celestial tracking and monuments. Evidence from ruins and writings explains why their new year corresponded to February 23 on the Gregorian calendar.

How 'the Iceman' got his tattoos remains a mystery

Ötzi the Iceman, discovered in 1991, is one of the oldest human mummies ever found—and his 61 tattoos remain a mystery. This explainer looks at how researchers believe the tattoos were made, what their placement suggests about ancient medicine and culture, and why we’re still piecing together their true purpose today.

Why did the Spanish steal the Inca's mummies?

From inside stone palaces and atop sacred mountaintops, the Inca dead continued to wield incredible power over the living. So much so that the Spanish confiscated them. Read more about the afterlife of these mummies here.

The Chumash manufactured shell beads for thousands of years, eventually as money

The practice was unique to the Chumash among North American Indians. Some researchers have made the case theirs was the first use of money on the continent.

Native American tribes still are waiting for museums to return the remains of their ancestors

The remains of more than 100,000 Native Americans are held by prestigious US institutions, despite a 1990 law meant to return them to tribal nations. Here’s how their ancestors were stolen—and how tribes are working to get them back.

12th-century English monks claimed discovery of King Arthur's bones

The medieval legend of King Arthur and his Queen, Guinevere, is one of the most popular to endure into the modern era. The legend regularly evolved during the Middle Ages, as is seen in this story where a historian from King Henry the Second's court claims the bones of Arthur were discovered at Glastonbury Abbey.

O’Keeffe collected animal skulls and bones for her art

O’Keeffe used bones as motifs in her work throughout her time in New Mexico. She famously stated, “The bones do not symbolize death to me. They are shapes that I enjoy … They're very lively.”

The story of Kryptos, the long unsolved cryptographic sculpture outside the CIA's headquarters

Made by American artist Jim Sanborn, the sculpture features four copper plates engraved with messages written with the 26 letters of the Latin alphabet and question marks. The last of these plates was solved in 2025, but the piece remains of interest to cryptoanalysts.

A particle accelerator allowed researchers to noninvasively examine a mummy

The mummy hailed from the Faiyum oasis, where Egyptian and Roman cultures intersected, and was analyzed using the Advanced Photon Source at Argonne National Laboratory. The device used high-energy X-rays to probe the material composition of numerous objects embedded deep inside the mummy without damaging its remains.

The centuries-old history of titanium white goes back to the Inca

Titanium white can be found in items ranging from paint to pills. Though it was created in New York in 1908, the pigment was first used hundreds of years earlier by the Inca, according to this article.

How a 19th-century aristocrat scammed the rich to buy fake Caribbean land

Nearly 200 years ago, Gregor MacGregor pulled off one of the most brazen real estate scams in history. A disgraced military leader, MacGregor sold plots of land in what is today Honduras, touting the country of Poyais as a new major region in South America. But no building was taking place, and instead of investing the proceeds of bond sales in construction, MacGregor was lining his pockets. Read the unbelievable story of MacGregor's exploits here.

Time crystals are systems of atoms organized into periodic patterns of motion

Unlike traditional crystals—whose atomic structures cause them to look identical no matter how you look at them in space—time crystals exhibit this behavior through time, where the motion of atoms will bring them to the same positions relative to one another regularly.

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

A 1912 congressional bill attempted to prohibit fake photos in the US

In the 1800s, photographs were held up as indisputable resources of truth. But the photography industry devised ways to alter photos, resulting in the rise of fraudulent photos—from shots with celebrities to the turn-of-the-century version of fake nudes—prompting government intervention.

Learn more about the history of fireworks, which dates back to an accidental invention during an alchemist's quest for information about immortality.

In the 1980s, excerpts from fake diaries of Adolf Hitler were published in a prominent German magazine

Excerpts from the diaries were published in other publications around the world, like The Sunday Times, despite uncertainty about their authenticity. After forensic analysis, the diaries were proven to be fake. The diaries were produced by Konrad Kujau, a petty criminal who frequently produced counterfeits.

Stonehenge was part of a continent-wide "henge" boom

While Stonehenge is the most famous, it was one of roughly 1,300 henges built across prehistoric Europe. This piece from the British Museum situates Stonehenge within the broader ceremonial tradition.

Against his wishes, Albert Einstein's brain was removed before his cremation, and the pathologist responsible stored it for decades in mason jars within a beer cooler.

The concept of phantom limbs, the perception that amputated limbs are still present, dates back to a French military surgeon in the 16th century.

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

Salvador Dalí believed he was his own dead brother, who had died nine months before he was born

In 1915, workers recovered a submarine-like vessel from the Chicago River, prompting fears of German espionage

Explore the archaeological treasures of Pompeii, the city buried under volcanic ash when Mount Vesuvius erupted in 79 CE.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

Frank Lloyd Wright's houses are historically hard to sell because they're old, subject to local landmark commissions, and often unfashionable

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

See these 16 pieces of art evoking phobias of snakes, flying, spiders, and more. 

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

Objects can be 3D printed with light by projecting 2D computerized tomography (CT) scans onto rotating cylinders of resin, which solidify upon exposure.

In 2019, a laptop loaded with six of the worst malware in history and described as 'an exhibit of historical weaponry' sold for $1.3M.

Crows are believed to have intelligence on par with a seven-year-old child and demonstrate complex behaviors, from problem-solving with tools to recognizing human faces.

'Saturday Night Fever,' the 1977 film that introduced disco to the mainstream, was based on a fabricated magazine story.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

Poison ivy was sent to Europe in the 1600s as an exotic, ornamental oddity, where it was purposefully grown in the English royal gardens at Kew, the Faculty of Medicine in Paris, and a few other locations.

One of the most famous portraits ever taken is 'Afghan Girl' (1984) by Steve McCurry, yet the subject Sharbat Gula went much of her life without being identified or benefitting from the image's success.

The term 'algorithm' originated from the Latinized name of al-Khwārizmī, a 9th-century mathematician whose works introduced Arabic numerals and the decimal-based numeral system to Europe and whose treatise 'Al-Jabr' gave algebra its name.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Visualize the path of every solar eclipse from 1900 to 2099 and see what each looks like when observed from different locations on Earth.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

Indefinite cloning of some endangered species may not sustain their longevity because cloning success rates decrease as genetic mutations accumulate.