Articles

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Cops Could Soon Use Breathalyzers to Test for Illegal Drugs

Swedish researchers are developing a system that tests for 12 different drugs on your breath, including cocaine, marijuana and amphetamines

Native Australians, 1939

Ancient Australia’s First Settlers Probably Came There On Purpose

Rather some chance encounter with the continent down under, researchers think that the original migrants set out to deliberately colonize Australia

A tunnel excavation in Guatemala

Ancient Maya Were Cultural Sponges

Rather than the Maya influencing the Olmec or vice versus, similarities between their cultures represent a general shift in ancient Mesoamerica

Celebrate Arbor Day by planting a tree at the Anacostia Community Museum on Friday.

Events April 26-28: Arbor Day, Expert Collectors and Classical Music

This weekend, plant a tree, learn about the art of craft collecting and listen to one of Haydn's masterpieces

Emperor penguins swimming

14 Fun Facts About Penguins

Which penguin swims the fastest? Do penguins have teeth? Why do penguins sneeze? How is penguin poop useful?

An investing strategy based on the frequency of certain words Google searches, it turns out, might provide sizable profits.

Google Search Terms Can Predict the Stock Market

An investing strategy based on the frequency of certain words Google searches, it turns out, might yield sizable profits

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Why Women Like Deep Voices and Men Prefer High Ones

We find different pitches attractive because of the body size they signal—and a touch of breathiness is crucial to take the edge off deep voices in men

A computer-generated image of how the woman would have appeared when she was first laid to rest.

Almost All That Remains of This Woman, Perhaps the First Queen of Windsor, Is Her Jewelry

Though her clothes long since decomposed and her bones are almost completely decayed, her lavish jewelry remains behind, giving hints to her identity

These dogs have hiked off-leash to the top of Handies Peak in Colorado. Sharing the great outdoors with our pets is a favorite pastime—but as a result of conflicts between dogs and wildlife, leash laws and dog bans have become commonplace.

Hiking with Your Dog This Summer May Be Harder Than You Think

If you've entertained ideas of boundless romping in the woods with your pet, you may be in for a serious letdown

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The Story of Elizabeth Keckley, Former-Slave-Turned-Mrs. Lincoln’s Dressmaker

A talented seamstress and savvy businesswoman, she catered to Washington's socialites

Flamingos depend on plant-derived chemical compounds to color their feathers, legs and beaks.

For Some Species, You Really Are What You Eat

Flamingos, shrimp and many other animals use chemical compounds found in their diets to color their exteriors

Music works deep into our brains.

Eight New Things We’ve Learned About Music

It's right up there with food, sex and drugs when its comes to stirring up pleasure responses in our brains

Children of the 1980s Build Their Cities of Tomorrow

Kids tend to be pretty optimistic, but each generation betrays its own fears about the future

Hikers ascend through the smog of Los Angeles, one of six cities where researchers studied the effects of air pollution on the heart.

Heart Attacks May Be Linked to Air Pollution

Research in six U.S. cities shows a connection between prolonged exposure to fine particulate matter in the air and a faster hardening of the arteries

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As Tigers Dwindle, Poachers Turn to Lions for ‘Medicinal’ Bones

Because wildlife managers are overwhelmed by the rhino horn poaching epidemic, investigations into missing lions will likely take second place

“Classic Harmonica Blues,” out on May 21, features 20 tracks by the blues’ greatest harmonica players.

Inhaling the Blues: How Southern Black Musicians Transformed the Harmonica

A conversation with the producer of "Classic Harmonica Blues," an album that captures a harmonica revolution

In the Amazon, María Gloria Domínguez-Bello and her team collected about 1,500 DNA samples to identify any microbe species that modern medicine may have wiped out.

Microbe Hunters

Deep in the Amazon Rainforest, scientists search for the micro-organisms that lived inside ancient humans

Animal Rights Activists Make Off With One Hundred Mutant Mice

Animal rights activists ruined years of important research on diseases such as autism and schizophrenia

Brain scans show that the neurological patterns linked with pangs of empathy for humans also occur when we see a robot like WALL-E treated harshly.

Neuroscience Explores Why Humans Feel Empathy for Robots

Brain scans show that the neurological patterns linked with pangs of empathy for humans also occur when we see a robot treated harshly

Artificial Brains May Be the Best Way to Control Electricity

Researchers attempted to put the brain - or at least its cells - to the task of intelligently managing the country's future power supply

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