Engineering

Why do chickens have wings if they can’t use them to fly?

Why Are Chickens So Bad at Flying? And More Questions From Our Readers

You’ve got questions. We’ve got experts

The white spots on the edges of a monarch butterfly's wings might give it an advantage while migrating, according to new research.

Monarch Butterflies’ Signature White Spots May Help Them Fly

These long-distance migrants could get a boost from their striking coloration, which may reduce drag by heating and cooling air unevenly

Turkish world-record-holding free-diver Sahika Ercumen swims amid plastic waste on June 27, 2020, to raise awareness about plastic pollution.

Scientists Discover Microbes That Could Revolutionize Plastic Recycling

These bacteria and fungi can break down certain plastics at cool temperatures, saving money and energy compared to some current methods

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

The concrete and mortar used to build this 387-square-foot, single-story house contains 8 percent diaper shreds.

See the House Engineers Built From Dirty Diapers

Using concrete and mortar made with shredded diapers could address issues like plastic waste and sand shortages, per a new study

Infinitely many copies of a 13-sided shape can be arranged with no overlaps or gaps in a pattern that never repeats.

At Long Last, Mathematicians Have Found a Shape With a Pattern That Never Repeats

Experts have searched for decades for a polygon that only makes non-repeating patterns. But no one knew it was possible until now

A $25 million plan to uncover 1,100 feet of Jordan Creek and build three bridges is moving forward in Springfield, Missouri.

How 'Daylighting' Buried Waterways Is Revitalizing Cities Across America

Urban centers are exhuming creeks and streams once covered up to control floodwater—and bringing life back in the process

Sharpshooters use an appendage called an anal stylus to catapult droplets of pee.

These Tiny Bugs Urinate by Flinging Droplets of Pee

Sharpshooters are the first example of “superpropulsion” in a living organism, according to new research

Large-scale production of green hydrogen is seen as an alternative to the use of fossil fuels in the coming decades. Latin America is well-positioned to play a large part in this new industry and already has several projects in the works.

Can Green Hydrogen Help Power Latin America?

In anticipation of future demand, several projects are underway in the region to produce this clean energy source

Living Carbon's modified trees on the left next to unmodified trees on the right.

Genetically Modified Trees Are Taking Root to Capture Carbon

A start-up created the plants to help combat the climate crisis, but they have so far only been tested in a lab setting

Neal V. Loving in Kingston, Jamaica, in 1954

In 1946, a Black Pilot Returned to the Cockpit After a Double Amputation

Neal V. Loving, whose memoir will soon be released by Smithsonian Books, built his own planes, ran a flight school and conducted research for the Air Force

On January 9, 2023, Spanish aeronautic engineer Juan de la Cierva became the first person to fly an autogiro.

How Quixote’s Windmills Inspired a Spanish Inventor to Envision Vertical Flight

The autogiro finds new fans a century after its first liftoff

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 vaunted unobtanium from Avatar.

The Etymology of Unobtanium

The much-mocked wonder-rock from the 2009 blockbuster 'Avatar' doesn’t have an atomic number, but engineers have used the actual word for decades

When flushed, commercial toilets can spew airborne particles at speeds of up to 6.6 feet per second.

Here's What Really Happens When You Flush a Toilet

Using lasers and cameras, scientists visualized the plume of tiny, aerosolized particles ejected from commercial toilets during flushing

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

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

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

A mannequin named after Arturo Campos is headed into space on NASA's now-postponed Artemis 1 mission.

How Artemis 1 Honors an Apollo 13 Hero—and a Champion for Diversity in Space

A mannequin that will orbit the moon is named for Arturo Campos, a Mexican-American electrical engineer who worked on several NASA missions

In a small clinical trial involving 20 patients, bioengineered corneas helped improve or restore eyesight.

Cornea Implants Made From Pig Skin Restored Eyesight in a Small Clinical Trial

Fourteen patients who were blind could see again after the surgery, and three of them attained perfect vision

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