Engineering

The capsule has a gelatinous coating that dissolves in stomach acid.

Engineers Design a Vibrating Pill for Weight Loss That Could Create a Feeling of Fullness

The capsule is the size of a multivitamin, and in an experiment with pigs, it appeared to reduce the animals' appetites

Monarch butterflies' signature white spots could help them fly—and inspire better drones.

Seven Scientific Discoveries From 2023 That Could Lead to New Inventions

Biologists learned lots about animals and plants this year, and their findings could inspire better robots, medicine and environmental technologies

A pneumatic mail tube at the main Post Office Department branch in New York City, circa 1914 or 1915

When a Labyrinth of Pneumatic Tubes Shuttled Mail Beneath the Streets of New York City

Powered by compressed air, the system transported millions of letters between 1897 and 1953

See-through wood has a number of interesting properties that researchers hope to exploit.

The Surprising Possibilities of See-Through Wood

Stronger than plastic and tougher than glass, the resin-filled material is being exploited for smartphone screens, insulated windows and more

Boat docks sit on dry, cracked earth at the Great Salt Lake's Antelope Island Marina on August 1, 2021.

Could a 550-Mile Pipeline From the Ocean Save the Great Salt Lake? Scientists Say Probably Not

New research suggests the electricity costs would exceed $300 million per year and carbon dioxide emissions could approach one million metric tons annually

The products range from measuring games to coding activities—and even include a robot that introduces children to artificial intelligence.

Ten Engineer-Selected STEM Toys to Give as Gifts in 2023

From coding to building to circuitry, these educational activities support basic skills to serve children in science, engineering and beyond

Hummingbirds' unusual flying abilities have long fascinated scientists.

Watch How Hummingbirds Fly Through Narrow Spaces

Slow-motion video revealed the birds take two different approaches: flying sideways or pinning their wings back and darting like a bullet

Atlantic salmon spend most of their lives in the cool waters of the ocean. When they venture upstream in freshwater rivers to spawn, however, they encounter challenging warmer waters.

Engineers Create 'Air Conditioning' for Salmon With Chilled Patches of River Water

Wild Atlantic salmon can struggle with heat as they swim upstream to spawn—but artificial "thermal refuges" may help them cool off

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The Never-Ending Race to Build the World’s Tallest Structure

From ancient Egypt to present-day Dubai, a close look at some of the buildings that held the height record

A new generation of blood pressure measuring devices that don’t require an inflatable cuff around the arm may make it easier to manage hypertension.

New Devices Could Change the Way We Measure Blood Pressure

Embedded in a cellphone or in accessories such as rings, bracelets or watches, the novel tools aim to make it easier to manage hypertension

Marc Abrahams, creator of the Ig Nobel Prizes, speaks at the 2003 ceremony. The first ceremony was held in 1991.

Smart Toilets and Licking Rocks: Ig Nobel Prizes Celebrate Strange Scientific Achievements

Winning research projects reanimated dead spiders and examined how anchovy sexual activity influences ocean mixing

Across the United States, around 70 percent of coal travels by rail.

Using A.I. to Track Air Pollution From Open-Top Coal Trains

Scientists in California are working with communities—and a suite of tools—to better monitor air quality

Firefighters, still dressed in their smoke- and soot-stained bunker gear, take a breather after a harrowing day of battling a particularly stubborn brush fire.

15 Scenes of Americans at Work

These highlights from the Smithsonian Magazine Photo Contest commemorate Labor Day

Artist Oscar Nilsson based the facial reconstruction on DNA and skeletal analyses.

See the Face of a Woman Who Died in a Shipwreck in 1628

A new facial reconstruction vividly resurrects Gertrude, one of 30 people killed during the sinking of the Swedish warship "Vasa"

The research team stands alongside the SARS-CoV-2 wet cyclone aerosol sampler they developed.

New Device Can Detect Covid in the Air Within Five Minutes

Researchers report the technology is 77 to 83 percent accurate in finding any of the coronavirus variants in a room

A Fuller-style geodesic dome known as Weatherbreak is gradually rising 25 feet in the air in the Flag Hall of the Smithsonian’s National Museum of American History on the National Mall.

The Architectural Genius of the Geodesic Dome and the Challenge of Putting It All Back Together

A new exhibit at the Smithsonian's National Museum of American History puts the engineering innovation back on display after decades in storage

An animated rendering of one of Leonardo's designs for a flying machine

Explore Animated Models, Digitized Sketches and More in Leonardo da Vinci's Largest-Ever Online Retrospective

The new Google Arts & Culture hub features high-resolution scans, 3D renderings and artificial intelligence experiments

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

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