Water

The formerly wobbly Millennium Bridge

What Makes Bridges Wobble? Your Awkward Walk

A new study asks: How many people does it takes to set a pedestrian bridge a-swaying?

Water-strapped cities with growing populations and energy needs could benefit the most. Greater Phoenix, for instance, is served by this reservoir and irrigation system fed by the Colorado River.

Five Questions You Should Have About Evaporation as a Renewable Energy Source

What’s the big deal with evaporation-driven engines?

Climb a 2,500-Rung Ladder Up New Zealand's Towering Twin Falls

Clip in and follow 3,200 feet of newly-laid cable up this stunning waterfall in Wanaka

Intrepid Swiss scientists sampling wastewater at a treatment plant in Zürich

Stinking Rich: Swiss Sewage Contains $1.8 Million in Gold

But don't start digging through the country's sewer sludge just yet

The late 19th and early 20th centuries were full of inventions such as this--the "Pinkert Navigating Tricycle," which was meant to be used on water.

People in the 1800s Dreamed of Bicycling on Water

Despite numerous patents, nothing really ever came of this fad

Beneath the surface of Lake Minnewanka, located in Alberta, Canada, rests the remains of a former resort town.

This Canadian Lake Hides an Underwater Ghost Town

Lake Minnewanka in Alberta was once home to a bustling resort, but today its eerie landscape can only be seen by scuba divers

The better we can track hydration in plants, the more we can avoid both over- and under-watering our crops.

This Snap-On Sensor Could Tell Farmers Exactly How Much To Water Their Crops

A team at Penn State University is developing a clip-on leaf sensor that measures water stress on individual plants

The Contemplative Court at the Smithsonian's National Museum of African American History and Culture

In This Quiet Space for Contemplation, a Fountain Rains Down Calming Waters

One year after the Nation’s first black president rang in the opening of the African American History Museum, visitors reflect on its impact

An illustration of what the surface of exoplanet TRAPPIST-1f could look like if it had liquid water

Could These Nearby Earth-Sized Exoplanets Harbor Liquid Water?

Analysis of the TRAPPIST-1 stellar system shows that several of its planets have the right conditions for liquid water

The Indus Valley, north of Besham, Pakistan

In Pakistan, Arsenic-Laced Groundwater Puts 60 Million People at Risk

Most live in the Indus River Valley

The Scientific Reason You Should Add a Splash of Water to Your Whiskey

A computer simulation shows that diluting whiskey brings flavor molecules to the surface, improving the aroma and taste of the tipple

A rendering of how a performance on the Floating Museum's moving exhibit "River Assembly"

Catch the Museum Floating Through the Chicago River

On a converted barge, the Floating Museum reflects on Chicago's industrial past and cultural present

An environmental sample processor is lowered into Lake Erie.

Underwater Robot Labs Monitor Toxins

The labs have been deployed in Lake Erie, where blooms of toxic algae have made water undrinkable in past years.

The algal scrubber in action.

Smithsonian Scientists Are Using Algae to Revitalize America’s Waterways

Walter Adey’s algal turf scrubber filters pollutants to clean water

This month, several news outlets misleadingly reported that women's birth control was causing "transgender" fish.

How One Bad Science Headline Can Echo Across the Internet

Recent articles claiming birth control causes “transgender" fish show how science communication can mislead—even when it relies on facts

Cenote Ik-Kil, Tinúm Municipality, Yucatán, Mexico

Dive Into Five of the World's Deepest Freshwater Swimming Holes

Take the plunge into some interesting geology

A drinking fountain next to St. Peter's square after the Vatican began shutting down its fountains due to Italy's drought.

Vatican Shuts Off Its Historic Fountains in Midst of Scorching Drought

It is the first time that authorities can remember being forced to take such a step

Webster's Waterfall is just one of more than 150 waterfalls located in Hamilton, Ontario, Canada.

Just 50 Miles From Niagara Falls Lies the True Waterfall Capital of the World

Niagara Falls has nothing on Hamilton, a Canadian city with more than 150 waterfalls

This structure in Tuscany holds clues to why Roman concrete is still so strong.

Why Ancient Roman Concrete Is So Strong

A rare chemical reaction strengthens it even today—and that could help threatened coastal communities

Coral reefs, like this one off the coast of South Africa, are rich both in hue and aquatic sounds.

Coral Reefs Sound Like Popcorn, and That’s a Good Thing

The oceans boast a vibrant soundscape, but we may be slowly silencing their symphonies

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