Articles

Marijuana buds are often two to three times as potent as they were 30 years ago.

New Research

Modern Marijuana Is Often Laced With Heavy Metals and Fungus

Medical and recreational marijuana use is increasingly legal—but do consumers know what they're smoking?

This Week in Crowdfunding

A Moon Landing in Virtual Reality, Bookniture and Other Wild Ideas That Just Got Funded

Could a new material that uses static charge to stick to any surface spell doom for Post-it notes?

Best Space Photos of the Week

A Rainbow Eclipse and X-Ray Fireworks Are Among These Cosmic Treats

A solar eclipse painted the cloudy U.K. skies and an explosion rocked a stellar corpse in our picks for this week's best space images

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Meet Doris Raymond, the Fairy Godmother of Vintage Clothing

A Smithsonian Channel series features the team behind Hollywood's beloved vintage boutique

The Civil War

The Underappreciated and Forgotten Sites of the Civil War

To commemorate the end of the war 150 years ago, here are fascinating locales that remind us of the conflict's sprawling impact

An App Helps the Blind to Type Quickly and Efficiently on an iPad

The iBrailler Notes app provides the blind and visually impaired with a Braille writer at an affordable price

Diners eat lunch outdoors at the Osteria Margutta.

Rome's Very Short Street With a Long, Magnificent History

Taste the food life on the Via Margutta, once home to Fellini and since 1953, the scene of Americans' sweetest Roman Holiday

Who Determined That the Sun Was a Star and More Questions From Our Readers

You asked, we answered

A large colony of Mexican free-tailed bats can consume an estimated 250 tons of insects in a single night.

These Bats Use Sonar to Jam the Signals of Their Rivals

How hungry Mexican free-tails sabotage the competition

The natural habitats of many bumblebees are nearly gone and restoring floral diversity is vital to promote their survival.

Can Returning Farmland to the Wild Help Bumblebees in Crisis?

Even if only a small percentage of current farmland became wild meadows, it could bring populations back to previous levels

Houston's futuristic Astrodome is home of the first skybox and an animated scoreboard,150 yards wide.

Remembering the Astrodome, the Eighth Wonder of the World

Fifty years after its grand opening, the spectre of the Houston stadium still looms large

Art Meets Science

The Terrible Beauty of Glaciers Melting and Oceans Rising

Daniel Beltra's aerial photographs reveal the human impact on nature

Ganden Sumtseling Monastery in Shangri-La was built in 1679 at the direction of the Fifth Dalai Lama.

Retracing the Footsteps of China's Patron Saint of Tourism

Travelers are discovering the Ming dynasty's own Indiana Jones, an adventurer who dedicated his life to exploring his country's Shangri-Las

This particularly charming street in Colmar, France looks straight out of a fairy tale.

The 11 Most Endearing Small Streets Worth Visiting

These tiny corridors around the world invite you in with their charm and surprising level of bustle

The details of the replica (under construction last year), its area nearly the size of a football field, are based on 700 hours of laser scanning in the actual cave.

Finally, the Beauty of France's Chauvet Cave Makes its Grand Public Debut

A high-tech recreation of the immortal artworks shines a new light on the dawn of human imagination

The Hermione, 17 years in the making, replicates the original wartime frigate that ferried the Marquis de Lafayette to America in 1780.

The Marquis de Lafayette Sails Again

Now that the ship that the Frenchman took on his 1780 trip to America has been rebuilt, its time to revisit his role in history

Members of the Xhosa tribe, like the young initiates seen here in Khayelitsha, are among the South African groups that practice ritual circumcision. The affiliation of the young man who received a transplant is not known.

Trending Today

The Trickiest Part of a Penis Transplant? Finding a Donor

The doctors who announced the first successful procedure last week had a particularly difficult time finding willing organ donors

The iTBra by Cyrcadia Health aims to screen for breast cancer in a new way, but still requires much testing.

Could a Bra Actually Detect Breast Cancer?

Using thermodynamic sensors, the iTBra could one day screen for breast cancer, but experts are wary

Electric vehicles, such as the ones sold by Tesla, could help to reduce city temperatures.

Anthropocene

Electric Cars Can Make Cities Cooler

It's not just the flash and style, either—electric engines emit less heat than gas ones and could combat the urban heat island effect

A barn owl by the light of the moon.

American South

Best Places to See Nature After Dark

The sun may power most of our world—but some things come alive only at night

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