Innovation

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The systems have been especially successful in Latin America, where massive cities and dramatic landscapes make building roads, rail lines and subway tunnels difficult. Mi Teléferico, shown here, connects more than two million people across the La Paz metro in Bolivia.

Seven Cities in the World Where You Can Ride an Aerial Cable Car

Urban planners from Mexico City to Toulouse are adopting the high-flying mode of transit. Will it catch on elsewhere?

The Consumer Electronics Show (CES) 2025 took place in Las Vegas, Nevada, this week.

The Eight Coolest Inventions From the 2025 Consumer Electronics Show

A needle-free injection system, a bug-watching garden camera, a wearable that helps with memory lapses and more were unveiled at the annual Las Vegas trade show

In 2024, engineers used a fluorescent protein found in some jellyfish to create a non-toxic spray that highlights fingerprints at a crime scene.

Seven Scientific Discoveries From 2024 That Could Lead to New Inventions

From indestructible tardigrades to body-merging comb jellies, animals can teach humans so much about medicine, robotics, aging and survival

The Original Vienna Snow Globe Factory produces roughly 300,000 snow globes per year.

How an Experiment to Amplify Light in Hospital Operating Rooms Led to the Accidental Invention of the Snow Globe

The origins of the decoration lie in Vienna’s 17th district, where the inventor’s descendants are still making them for collectors around the world

Daniel Bachman at home in Madison County, Virginia, with his trusty Martin D-18 guitar.

A Brilliant Folk Musician Turned the Natural Sounds of the Blue Ridge Mountains Into Powerful Songs

Daniel Bachman is on a mission to evoke Virginia’s past through strange medleys of sounds

Maritime archaeologist Tamara Thomsen discovered this 1,200-year-old dugout canoe in Lake Mendota, Wisconsin, in June 2021.

Archaeologists Are Finding Dugout Canoes in the American Midwest as Old as the Great Pyramids of Egypt

In the waterways connected to the Great Lakes, researchers uncover boats that tell the story of millennia of Indigenous history

Air Ring 48 attaches to the base of a construction helmet, providing crucial airflow to the sweatiest areas of the head and neck.

Could This New Wearable Device Reduce Heat Stress in Construction Workers?

Architecture students at the University of Hong Kong invented a cooling apparatus that attaches to a construction helmet

The plant-based egg substitutes available today are less than perfect. Food scientists are working hard to improve them — and, maybe, make them better tasting and more nutritious than the real thing.

Scientists Are Trying to Crack the Recipe for the Perfect Plant-Based Eggs

With new ingredients and processes, the next generation of substitutes will be not just more egg-like, but potentially more nutritious

The products range from programmable rovers to books that introduce the terminology of robotics and circuitry to childen.

Engineers Choose the Ten Best STEM Toys to Gift in 2024

Creative circuitry and rolling robots make up this year’s top toys for teaching kids to love science, technology, engineering and math

An example of the American Pedometer with the decimal face and original packaging

From Jealous Spouses to Paranoid Bosses, Pedometers Quantified Suspicion in the 19th Century

The devices were used to track movement and measure productivity—an insightful foreshadowing of our current preoccupation with personal data

Two ivory-billed woodpeckers in one of the historic photographs that Arthur Allen captured in the field in 1935.

The Hero Who Convinced His Fellow Ornithologists of the Obvious: Stop Shooting Rare Birds and Watch Them Instead

Too late to save the ivory-billed woodpecker, Arthur Allen changed science forever with his seemingly simple idea

A dried sample of the original Penicillium mold that Fleming discovered in 1928.

The ‘Penicillin Girls’ Made One of the World’s Most Life-Saving Discoveries Possible

The true, forgotten and sometimes-stinky history of the cohort who took Alexander Fleming's innovation and forever changed the face of modern medicine

On September 4, 1967, six identical silver disks appeared at equidistant locations along a plumb-straight line that bisected southern England.

How British College Students Convinced Authorities That Flying Saucers Were Invading the U.K.

To raise awareness for a charity event, aspiring engineers planted six UFOs across southern England on a single day in 1967

A nuclear-powered car lined with lead and other materials to protect its passengers from radiation would weigh at least 50 tons—more than 25 times as heavy as the average vehicle.

Visions of Nuclear-Powered Cars Captivated Cold War America, but the Technology Never Really Worked

From the Ford Nucleon to the Studebaker-Packard Astral, these vehicles failed to progress past the prototype stage in the 1950s and 1960s

A sperm whale swims away, leaving a cloud of feces.

Scientists Are Crafting Fake Whale Poop and Dumping It in the Ocean

The artificial waste could fertilize the ocean and sequester carbon

“Cité Mémoire” is a digital multimedia installation illustrating the moments that have shaped Montreal’s last 400 years.

Cities Are Projecting Their History Onto Streets and Buildings After Dark

Pedestrians in Montreal, Grand Rapids and other locations can time-travel thanks to installations that map historical scenes directly onto the cityscapes

Mark Muhn of Team Cleveland on his way to winning the Functional Electrical Stimulation bike race in the inaugural Cybathlon in 2016. Muhn’s legs are paralyzed; the muscles in them are activated by electric signals from a controller outside of his body.

Bionic 'Pilots' Compete for the Gold at the Cybathlon

In the international competition, people with physical disabilities put state-of-the-art devices to the test as they race to complete the tasks of everyday life

John Larson's original polygraph, a gift to the Smithsonian from the Berkeley Police Department, where Larson was the first rookie cop with a PhD.

Why the Creator of One of the First ‘Lie Detectors’ Lived to Regret His Invention

The early polygraph machine was considered the most scientific way to detect deception—but that was a myth

Clark Stanley’s snake oil was a marketing gimmick from the very start. 

How Snake Oil Became a Symbol of Fraud and Deception

The terms “snake oil” and “snake-oil salesperson” are part of the vernacular thanks to Clark Stanley, a quack doctor who marketed a product for joint pain in the late 19th century

Itty-bitty insects have an outsized impact on human culture.

From Silk Moths to Fruit Flies, These Five Insects Have Changed the World

It’s easy to write bugs off as pests, but consider the ways in which they have positively impacted our lives

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Photo of the day

Serene monk stands on a stone from the Prasat Preah Vihear, which has crumbled over time. This temple, perched on the border between Cambodia and Thailand, is a focal point of territorial dispute between the two nations. The moment of connection is palpable; as I approached and asked if I could take his photo, our eyes met in mutual understanding. His calm presence amidst the weathered ruins speaks of serenity and reverence for the sacred space. Buddhist Monk at Preah Vihear Temple