“I’d rather gnaw a bean than be gnawed by continual fear.”

Scientists Investigate Whether the City Mouse Is Smarter Than the Country Mouse

Contrary to biologists’ expectations, critters living in cities don’t always have an adaptive edge over their rural counterparts

Five Unusual Ways Scientists Are Studying Climate Change

Fossilized urine, old naval logbooks and the recent speeds of satellites are among the unexpected records that track changing climate

What is it that makes honey such a special food?

The Science Behind Honey’s Eternal Shelf Life

A slew of factors—its acidity, its lack of water and the presence of hydrogen peroxide—work in perfect harmony, allowing the sticky treat to last forever

Optical art

These Patterns Move, But It’s All an Illusion

What happens when your eyes and brain don’t agree?

Food residue encrusted on 6,000-year-old pottery fragments from Northern Europe, such as the one above, show traces of mustard seed, which was likely used as a seasoning for fish and meat.

Ancient Pottery Fragments Show That Prehistoric Humans Used Spices Too

Shards of 6,000-year-old cooking pots from northern Europe show traces of mustard seed, likely used as a seasoning for fish and meat

Sprites over Red Willow County, Nebraska, on August 12, 2013

Scientists Capture Rare Photographs of Red Lightning

Graduate student Jason Ahrns and colleagues hunt the skies for sprites—fleeting streaks and bursts of color that can appear above thunderstorms

McShea (in Posey Hollow): “Nobody has tried anything nearly as comprehensive.”

A Scientific Laboratory 170 Feet High in the Sky

Grand-scale ecology brings a Virginia forest under unprecedented scrutiny by Smithsonian researchers

About the only use modern humans have for their urine is in health screenings. But preindustrial workers built entire industries based on the scientific properties of pee.

From Gunpowder to Teeth Whitener: The Science Behind Historic Uses of Urine

Preindustrial workers built huge industries based on the liquid’s cleaning power and corrosiveness—and the staler the pee, the better

By analyzing a piece of fish’s DNA, researchers have found that roughly a third of U.S. seafood is mislabeled.

How DNA Testing Can Tell You What Type of Fish You’re Really Eating

By analyzing a the DNA of fish sold across the country, researchers have found that roughly a third of U.S. seafood is mislabeled

Technology has pushed education in good and bad directions.

10 Things We’ve Learned About Learning

For starters, laptops in classrooms are a big distraction, singing phrases can help you learn a language and multitasking isn’t good for your grades

The world’s reefs are fading fast.

Can Swarming Robots and Cloud Umbrellas Help Save Coral Reefs?

As reefs continue dying off, scientists have started to think more boldly about how to protect them

In new research, Japanese scientists determined that warmer temperatures have gradually made the Fuji apples mealier and less flavorful.

Climate Change Is Altering the Taste and Texture of Fuji Apples

Japanese scientists determined that warmer temperatures have gradually made the fruits mealier and less flavorful

The olinguito, a small mammal native to South America, was announced as the first new carnivorous mammal species discovered in the Western Hemisphere in 35 years today.

For the First Time in 35 Years, A New Carnivorous Mammal Species is Discovered in the Americas

The Olinguito, a small South American animal, has evaded the scientific community for all of modern history

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Waters Around Antarctica May Preserve Wooden Shipwrecks for Centuries

Some capsized ships may linger on the ocean floor indefinitely

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Why Are So Many Dolphins Washing Up Dead on the East Coast?

A Smithsonian marine biologist investigates the sudden die-off of bottlenose dolphins along the Atlantic—and suspects that human activity may play a role

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One Physicist Thinks the Universe Is Not Expanding—And He Might Not Be Crazy

Christof Wetterich can also explain the “red shift” that supports the idea of the Big Bang

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Cosmic Portraits Created From Hubble Space Telescope Images

Sergio Albiac generates images of people by collecting their head shots and replacing pixels with snippets from pictures of stars and galaxies

New research with rats indicates that mental activity can continue for 30 seconds after the heart stops beating—perhaps explaining out-of-body experiences.

A Last-Second Surge of Brain Activity Could Explain Near-Death Experiences

Near-death sightings of light at the end of a tunnel may be related to the 30 seconds of activity in rats’ brains after their hearts stop

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What Can Old Menus From Hawaii Tell Us About Changing Ocean Health?

A study of vintage menus reveals the drastic decline of the state’s local fish populations between 1900 and 1950

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Men and Women Think on Family Matters Equally, But Women Get More Stressed

A study suggests that stereotypical gender roles transform thoughts of home into burdens for women, while men react differently

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