The bats that live in and protect Portugal's libraries

Bats are uniquely suited to act as reservoirs of viruses

Some of the deadliest diseases to jump from animals to humans originate in bat species. This rich visualization explores the diversity of bats and the factors that make them efficient vectors for harboring and transmitting disease, from their long lifespans to their migration patterns.

Some North American bats can glow in the dark

After examining 60 museum specimens from six different species, scientists found that all of them emitted light after being exposed to ultraviolet radiation. Researchers are perplexed by this natural phenomenon and are currently unable to deduce the reason behind it.

Scientists have struggled to pin down Ebola's natural reservoir species for decades, but the available evidence suggests that it's very likely fruit and insect-eating bats found in Africa.

Medieval bestiaries blended real animals with myth and moral lessons

Medieval bestiaries combined observed animals with fantastical creatures, using vivid imagery to convey symbolism and moral meaning. This lecture explores England’s Worksop Bestiary (c. 1185), showcasing over 100 illustrated beasts from the Morgan Library’s collection.

The world’s most beautiful cinemas

Oakland, Madrid, and Mexico City are home to some of the most beautiful movie theaters in the world according to this extensive list. This resource compiles photos and interesting tidbits from 50 stunning cinemas, located in historic buildings and glistening modern structures.

Get lost in these historical libraries

The internet has changed a lot about how we learn, explore new ideas, and conduct research, particularly when it comes to the spaces we learn in. While few of us would trade our smartphones for a walk in a historical library, a walk through some of the beautifully designed cathedrals of learning could remind us to put them down sometimes. Explore 10 of the world's magnificent libraries with this quick video survey.

Some animals possess sensitive hearing to help pinpoint prey and map the world

Bats and dolphins produce sound to reflect off surfaces and create a mental image of their surroundings. Owls' faces are dish-shaped to help funnel sounds to their ears, including that of mice moving along leaves or snow. Pinnipeds, such as seals and walruses, hear in both air and water.

Wildlife use Rome's sprawling archaeological sites as urban havens

The Italian capital features some of the world's most famous monuments as the inheritor of ancient Rome's grandeur. This photo essay explores the city's vibrant collection of wildlife, including long-concealed native crabs, peregrine falcons, and the beaver-like nutria.

Watch insects and animal pollinators in slow motion

Louie Schwartzberg's "Moving Art" series showcases slow-motion footage of oceans, forests, deserts, flowers, and more. In this excerpt, organisms such as bats, monarch butterflies, bees, and hummingbirds are shown interacting with one another and with flowering plants.

Peruse the works of spooky 19th-century writer Edgar Allen Poe

Edgar Allen Poe is one of the central figures of Gothic and Romantic literature of the 19th century, penning famous short stories like "The Tell-Tale Heart" and the long poem "The Raven." This digital library collects over 130 of his works in one...

Scientists used to speculate about life on the moon

In the 17th century, Galileo's observations suggested the moon could be inhabited, leading to fictional speculations about lunar life. In the 19th century, stories were published claiming the discovery of various creatures, including human bats. The Apollo missions in the 20th century explored the possibility of life there, but further exploration showed this idea to be less likely than before.

A prisoner at the haunted Corvin Castle in Romania helped inspire Dracula

The dungeon in Corvin Castle has hosted numerous ill-fated prisoners and many unsettling occurrences. One of its most famous former residents is the cruel ruler Vlad III, the inspiration for the character of Dracula. Listen to the eerie tales of the dungeon where psychological torture and extreme violence took place.

Portugal's 1775 earthquake is considered Europe's first modern natural disaster

An 8.5-magnitude earthquake off the Portuguese coast nearly destroyed Lisbon, killing thousands, creating 16-foot-wide fissures in the city, and triggering a massive tsunami. Historians credit it with jump-starting the Enlightenment in the region, with many thinkers seeking natural explanations.

Fungi have been used to restore island habitats in the central Pacific

After removing 1.5 million invasive coconut palm trees and eradicating the black rats that fed on them, as well as seabirds and crabs, conservationists working with the US Fish and Wildlife Service identified areas where fungi could be transplanted to provide nutrients to native trees. These trees serve as nesting sites for seabirds whose guano nourishes coral reefs.

See the world's first-known photo of a wild white Iberian lynx

Described by the photographer as the "white ghost of the Mediterranean forest," the lynx is a vulnerable species. Catching the genetic anomaly on camera is a testament to conservation efforts that began in 2011.

A look at Barcelona's contemporary art scene

Barcelona is no stranger to influential artists: Antoni Gaudi, Joan Miró, and Pablo Picasso, to name a few. It was the cradle of the Catalan Modernism and Art Nouveau movements in the 19th and 20th centuries. Art continues to be an important form of expression in Barcelona, but style is always evolving. This piece introduces readers to the obscure neighborhoods and budding galleries shaping Barcelona's contemporary art scene.

A librarian stole $8M worth of rare books from Pittsburgh's Carnegie Library over 25 years

Greg Priore, who managed the library's rare book collection, systematically removed maps and prints and sold them through a local bookseller. He was eventually caught during a routine audit and sentenced to three years of house arrest.

Portraits of a pest: a photo gallery of bedbugs

Bedbugs are reemerging as a major urban pest after half a century of relative dormancy. These wingless insects take blood meals at night, hiding during the day in dark crevices. Check out these sophisticated images of the common bedbug, Cimex...

BirdCast provides real-time data and forecasts of US nocturnal bird migration

The dashboard provides a live feed from March 1 to June 15 and August 1 to November 15 that includes radar-based data on the number of birds, directions, speeds, and altitudes, offering insights into migration patterns, species, and environmental impacts.

Cannes hotels hire hawks to scare off seagulls

Seagulls prey on celebrity tourists visiting for Cannes' festival season, a problem the city's hotels have (mostly) solved with an unlikely solution: more birds. Falconers strategically deploy hawks to scare off the seagulls and, in the process, protect the unsuspecting diners' meals.

Meet the bowerbird, the bird world's greatest architect

There are roughly 20 species of bowerbird in and around Australia. It is a remarkable species known for its sophisticated nests. From what experts can tell, the bird has one thing in mind when building its elaborate abode: attracting a mate. See the variety of structures each bird makes in this well-written blog accompanied with incredible photos of bowerbird constructions.

Hotels in Cannes, the glamorous city on the French Riviera, hire hawks to ward off seagulls during the city's famous film festival.

Brazil's festival has its own mascots

Blumenau, Brazil, has been home to generations of German immigrants who brought the annual Oktoberfest celebration from Europe. Thousands of revelers parade down what was once known as Wurstrasse, or Sausage Street. There, they’ll find the festival’s ubiquitous mascots, Vovó and Vovô Chopão, or Grandma and Grandpa Big Beer.

Salvador Dalí had pet anteaters he (supposedly) took on walks

Known for his adept and weird public relations stunts, Dalí kept exotic pets, such as an ocelot named Babou, as well as anteaters. The insectivorous mammal accompanied him on walks (though it may have just been for a photo op) and on talk show appearances.

Explore Santa Barbara County's biodiversity

As part of one of the world's most biodiverse hotspots, Santa Barbara County is home to thousands of unique species, the majority of which are not found anywhere else in the world. This database compiles facts, photos, and more for each species, sortable by plants, animals, and more.

Monks and peasants once used cobwebs as canvases for painting

The tradition goes back to the 16th century, when the delicate canvases were hung in churches and cloisters. The difficulty in painting on the cobwebs was intended to illustrate one's devotion to their faith.

A live bald eagle named Peter once lived at the original Philadelphia Mint

During the day, he flew around the city, but at night he slept soundly in the first-ever US Mint building. Although he died at some point in the early to mid-1800s, mint artists still study him today when designing new eagle imagery for coins. Luckily, that’s not too difficult, given that mint employees pitched in to stuff him at the time of his death.

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

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

Waves off the coast of Nazaré, Portugal, can reach over 100 feet and are caused by the area's deep underwater canyon geography

The Dracula character, now seen as the vampire archetype, was inspired by a seafood-induced nightmare its creator experienced.

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.

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.

Some Pokémon have been named after real and fictional organisms, while some real-world species have been named after Pokémon, such as Chilicola charizard and Binburrum zapdos.

Explore the history, structure, and species of Australia's Great Barrier Reef with this interactive journey narrated by Sir David Attenborough.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

When caught in the mouths of cardinal fish, seed shrimp release glowing, bioluminescent chemicals, which alert predators of the cardinal fish, prompting the shrimp's ejection.

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

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.

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

See photos of Meteora, a mountainous site in central Greece, home to 14th-century monasteries perched atop soaring outcroppings.

Quincy Jones' 'Big Band Bossa Nova' helped introduce bossa nova—a jazz-influenced Brazilian genre—to the US

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

The use of fungi to detoxify land and water—a process known as mycoremediation—has been used to clean up natural resources affected by the 2025 California wildfires.

Bone marrow (soft tissue found inside certain bones) generates roughly 500 billion new blood cells each day

The Brothers Grimm were lawyers before they were storytellers, and became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

Planeterrellas create artificial auroras that mimic the atmospheric displays of light by setting up an electric field between two metal balls in a jar filled with a small amount of air.

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.