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Innovation

The letter “x” often symbolizes something unknown, with an air of mystery that can be appealing.

A Brief History of the Letter ‘X,’ From Algebra to X-Mas to Elon Musk

A math historian explores how “x” came to stand in for an unknown quantity

Abigail Previlon, 13, takes part in online learning at home on October 28, 2020 in Stamford, Connecticut. At the time, Stamford Public Schools was using a hybrid educational model due to the Covid-19 pandemic.

What the Covid-19 Pandemic Revealed About Remote School

The unplanned experiment provided clear lessons on the value—and limitations—of online learning. Are educators listening?

The pop-top is a patently American invention.

How Popping Open a Can Became the Sound of Summer

More than 60 years ago, an unfortunate picnic set Ohioan Ermal C. Fraze on a path to inventing the first pop-top tab opener for canned beverages

"Cellphone: Unseen Connections" at the Smithsonian's National Museum of Natural History walks through every aspect of the technology.

How Cellphones Connect Us All

A new Natural History Museum exhibition explores how the devices link us to Earth and to a network of people worldwide involved in their supply chain

Vertical farming can produce as much as traditional farming while using less water and less energy—if executed correctly.

Empty Office Buildings Are Being Turned Into Vertical Farms

With office usage hovering near 50 percent of pre-pandemic levels, cities are putting the underutilized space to new use growing food

The titular "Dial of Destiny" in the new Indiana Jones film is based on the Antikythera mechanism, an ancient device used to chart the cosmos.

Based on a True Story

The Real History Behind the Archimedes Dial in ‘Indiana Jones and the Dial of Destiny’

A device called the Antikythera mechanism is the true-life basis for the object at the center of the franchise’s latest installment

Unfinished pencils at the Musgrave plant in Shelbyville, Tennessee—“The Pencil City.”

See Inside One of America’s Last Pencil Factories

The family-owned facility in Tennessee produces more than 70 million pencils annually

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Can American Craft Sodas Save the Soft Drink Industry?

The sector is one of the few in the industry that are forecast to grow

Thomas Edison told journalists they would each receive a brief, private demonstration of the new light bulb’s capacities. They could marvel at what he had achieved before he swiftly ushered them away, ensuring they’d be out of the room long before the bulb burned out.

How Thomas Edison Tricked the Press Into Believing He’d Invented the Light Bulb

A year before he developed a working bulb, the “Wizard of Menlo Park” created the illusion that his prototype burned for more than a few minutes at a time

Robert W. Bowles of Long Island competes at the first Sunfish World Championship in the U.S. Virgin Islands, in 1970. Bowles placed ninth that year. 

How the Most Popular Sailboat Ever Was Invented

The Sunfish taught millions of Americans to seize the breeze

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Women Who Shaped History

How an 1800s Midwife Solved a Poisonous Mystery

For decades before Doctor Anna’s discovery, “milk sickness” terrorized the Midwest, killing thousands of Americans on the frontier

By recording activity of specific neurons in the brain, researchers aim to pick up signals of intended speech.

The Brain-Computer Interfaces That Could Give Locked-In Patients a Voice

Implanted devices record the brain waves associated with speech and then use computer algorithms to translate the intended messages

Range anxiety is still a major hurdle for prospective EV buyers.

What Will It Take to Charge Electric Vehicles Faster?

To get more EVs on the road, these scientists are working to charge a car in the same time that it takes to fuel up at a gas station

Silver carp throw themselves into the air at the sound of passing boats.

Seven Wild Ways Scientists Are Trying to Stop Invasive Carp

Researchers and local officials are using unusual methods to keep invasive carp from intruding into the Great Lakes and other waterways

The Luxury Picnic Company in London launched in April 2020 to a rush of orders over social media, and the enthusiasm for the luxury picnic continued to rise.

Picnics Are Back

Gen-Z is spurning restaurants to enjoy hot dates outdoors—echoing the picnic’s racy beginnings

Angie Fogarty tested at least 100 different versions of her sensor before finding the perfect formula.

This 18-Year-Old Developed a Test to Find Out If Your Drink Has Been Spiked

The simple and inexpensive sensor detects the antihistamine in “Benadryl cocktails”

Driver-optional e-tractors promise to increase efficiency while cutting emissions.

Planet Positive

Could Electric Tractors Revolutionize Farming?

The vehicles may change the agricultural landscape by scaling sustainability and increasing efficiency

Americans will have a few extra days to file their taxes this year.

Why Is Tax Day in April?

These are the reasons behind the timing of many Americans’ least favorite holiday

Ravens prey on juvenile desert tortoises.

For Young Threatened Desert Tortoises, These Technologies Have Arrived to Help

Biologists are deploying 3D-printed replicas of hatchlings, lasers and drones to curb predation

A revolutionary new tool, a collaboration between the Smithsonian Astrophysical Observatory and NASA, will monitor the chemistry and changing dynamics of major pollutants (above: an Arizona power generating station).

This Eye in the Sky Promises Major Insights Into the Air We Breathe

The satellite mission TEMPO will detect pollutants at a neighborhood scale across the nation

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