Technology

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

Engineer Martin Cooper made the world's first cellphone call on April 3, 1973, using a Motorola DynaTAC.

From 'the Brick' to the iPhone, the Cellphone Celebrates 50 Years

As the technology turns 50, science fiction might hint at the cellphone's next chapter

The strategy an animal uses to track a scent depends upon a number of factors, including the animal’s body shape and the amount of turbulence in the odor plume.

Scientists Are Trying to Figure Out How Animals Follow a Scent to Its Source

Uncovering the varied strategies that animals employ could help engineers develop robots that accomplish similar tasks

Debra Babalola and Shefali Bohra invented Dotplot, a device that can help users monitor their breast health.

A New Tool Could Help Detect Breast Cancer Earlier

Dotplot gives users real-time feedback and builds a personalized map of their chests

Examples of computing hardware architecture supporting an AR and IR environment inside a car of the near future are displayed at the Valeo booth at CES 2023 in Las Vegas.

Eight Cool New Technologies From This Year's Consumer Electronics Show

Flying cars, live-translation eyeglasses, self-driving strollers and more were unveiled at the annual trade show in Las Vegas

Steve Galchutt shows off the custom-made low-wattage transmitter he uses on his treks.

Looking to Ditch Twitter? Morse Code Is Back

Reviving a 200-year-old system, enthusiasts are putting the digit back in digital communication

Innovators may want to create soft robots that more accurately replicate the dynamics of an elephant’s trunk.

Seven Scientific Discoveries From 2022 That May Lead to New Inventions

Nature is a breeding ground for innovative solutions to everything from aging to plastic pollution

The government in Queensland, Australia, is testing whether drones can be used to detect sharks near beaches.

Drones Spot Sharks That Wander Too Close to Busy Beaches

Ongoing tests show that the technology is an effective way to track the animals and monitor for threats

Twelve-year-old Madison Checketts was named one of the 30 finalists in the 2022 Broadcom Masters Competition, the country’s premier science, technology, engineering and math competition for middle school students.

This 12-Year-Old Designed a Water Bottle You Can Eat

After seeing plastic polluting her favorite beaches year after year, Madison Checketts decided it was time to do something about it

Algoa Bay, South Africa, is home to nearly half of the world’s remaining African penguins, whose numbers have fallen as much as 98 percent since 1900.

These Artificial Nests Are Helping African Penguins Beat the Heat

Ceramic nests deployed on penguin colonies in South Africa could shield the endangered seabirds from rising temperatures

The top ten toys rated by Purdue University engineers help children build spatial reasoning, problem solving, coding and design thinking skills, among others.

Engineers Pick the Ten Best STEM Toys to Give as Gifts in 2022

Children can build strategy, critical thinking and resilience during expert-approved play

With one vast root system, Pando weighs more than 6,600 tons and contains approximately 47,000 genetically identical stems (or branches).

The World's Largest Tree Is Ready for Its Close-Up

Friends of Pando, a nonprofit, is in the process of creating the largest image ever recorded of this single aspen clone in Utah

Shark skin is made of tiny, stiff segments of overlapping, textured dentin and enamel. Shark skin’s distinctive texture gives sharks greater efficiency moving through the water.

Shark Skin-Inspired Materials Have a Long Way to Go Before They Work Like the Real Thing

The predator's distinctive texture is the envy of engineers trying to maximize hydrodynamics

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Can This New A.I. Tool Help Detect Blood Poisoning?

The algorithm scans electronic records and may reduce sepsis deaths, but widespread adoption could be a challenge

The Maka Niu, a low-cost, customizable deep-sea observing tool is currently undergoing testing around the world, including at the New England Aquarium in Boston, Massachusetts.

This Low-Cost Device Could Make the Deep Sea Accessible to Everyone

The inexpensive Maka Niu collects video and data at depths more than five times greater than trained scuba divers can go

A bus being treated with ultraviolet light in Shanghai, China. Although types of UV light are already in use to decontaminate vehicles and indoor spaces, the wavelengths used are dangerous to people. Researchers hope that wavelengths of far-UVC light can be used harmlessly when people are present.

Covid-19

Could UV Light Reduce the Spread of Covid-19 in Indoor Spaces?

Some wavelengths of light in a range called far-UVC kill microbes in experiments and appear to be harmless to people

The Quadcopter Mines Detector uses a metal detector to find land mines as it flies above them.

A Ukrainian Teenager Invents a Drone That Can Detect Land Mines

Seventeen-year-old Igor Klymenko worked on his invention while sheltering in a basement from Russian attacks

Market research firm Fact.MR estimated that global nonalcoholic wine sales reached $1.6 billion in 2021 and will double in the next decade.

The Science Behind Nonalcoholic Wine

Drinking habits are changing, and vintners are exceeding tasters' expectations with new options stripped of their alcohol

The da Vinci surgical robot, shown here on a US Navy hospital ship, is one of the most widely used devices to assist doctors in laparoscopic surgery. The procedure — in which tools are inserted through tiny holes in the abdomen instead of cutting a long incision — allows patients to recover more quickly.

The Past, Present and Future of Robotic Surgery

After decades of merely assisting doctors, are sophisticated machines ready to take charge?

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