Discharge from the Gold King Mine colored Colorado's Animas River a distinct golden hue on August 6.

Anthropocene

Why Tens of Thousands of Toxic Mines Litter the U.S. West

The spill in Colorado’s Animas River highlights the problem of wastewater building up in abandoned mines

A combined shot shows two Perseids falling a minute apart over Bergen, Norway, on August 13.

See Spectacular Photos From This Year’s Perseid Meteor Shower

The annual event sent sparks flying over dark skies as Earth plowed through debris from a comet

This inscription in Dayu Cave dates to 1894. The writing on the wall says that a scholar and several local leaders brought more than 120 people to the cave to get water during a drought.

Anthropocene

Chinese Cave Graffiti Records Centuries of Drought

And chemical clues in a stalagmite inside the cave confirm the chronicles on the walls

The larger Pacific striped octopus uses unique prankster shoulder-tapping techniques to lure shrimp prey within arms' reach.

New Research

Tropical Octopus Definitely Mates Beak-to-Beak

Larger Pacific striped octopus couples engage in a host of behaviors unheard of among other octopuses

People walk past the damaged Durbar High School a few days after the major earthquake that struck Nepal in April.

Anthropocene

What Happened When a Disaster Preparedness Expert Was Caught in an Earthquake

In this Generation Anthropocene podcast, geologist Anne Sanquini gives her first-hand account of April’s disaster in Nepal

Debris still litters Durbar Square in Kathmandu, seen in June 2015.

New Research

Why the Nepal Earthquake Was Especially Bad for Cultural Sites

The major quake sparked a resonance in the basin that made taller buildings more likely to topple

Corythomantis greeningi frogs carry potent venom in their pouts.

Ask Smithsonian

What’s the Difference Between Poisonous and Venomous Animals?

The first known venomous frogs, discovered in Brazil, raise some basic questions about toxic biology

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Ask Smithsonian

Ask Smithsonian: Why Do We Get Prune Fingers?

Some researchers say that, like tire treads, our fingers and toes could get better traction in wet conditions

Climate change is raising the stakes for human conflict.

Anthropocene

A Hotter Climate May Boost Conflict, From Shootings to Wars

In this episode of Generation Anthropocene, scientists explore the link between rising temperatures and aggression

Whatever Happened to the Wild Camels of the American West?

Initially seen as the Army’s answer to how to settle the frontier, the camels eventually became a literal beast of burden, with no home on the range

A wasp larva perches on its hapless spider host.

New Research

Parasitic Wasps Turn Spiders Into Zombie Weavers

Arachnids injected with a potent neurotoxin are forced to create shiny new web cradles for wasp larvae

Workers prepare the Fat Man, the implosion bomb that was dropped on Nagasaki in August 1945.

How Physics Drove the Design of the Atomic Bombs Dropped on Japan

The gun-like design of the Little Boy bomb was effectively the last of its kind

Coming to grips with our moral code.

New Research

How Time, Space and Authority Figures Influence Your Moral Judgment

A study of how people respond to outrageous acts suggests that our sense of crime and punishment is surprisingly flexible

Curly or straight, hairstyles are "a personal expression of beauty."

New Research

Curly Hair Science Is Revealing How Different Locks React to Heat

A mechanical engineer tackles the understudied problem of how to style curls without frying hair

Visit the World’s Most Amazing Old-Growth Forests

Here are some of the best places to hug centuries-old trees

Broccoli is a common foe of finicky young eaters.

New Research

Young Picky Eaters May Be More Anxious and Depressed

Picky eating in kids is common but not always harmless—it may be a sign of longer-lasting psychological problems

An aurora glows near Australia in a photo taken from the International Space Station. Auroras are products of charged particles from the sun interacting with Earth's magnetic field.

Earth’s Magnetic Field Is at Least Four Billion Years Old

Tiny grains of Australian zircon hold evidence that our magnetic shielding was active very soon after the planet formed

A blue Egyptian water lily, a potential inspiration for flower petals painted on a casket found in Tut's tomb.

How Flowers Changed the World, From Ecosystems to Art Galleries

A new book by entomologist Stephen Buchmann explores the beautiful and sometimes bizarre history of flowering plants

An aerial view of part of the Idaho National Laboratory.

Tour the World’s First Nuclear Power Plant

The historic site in a remote desert is now a museum where visitors can see the instruments that made nuclear history

Skimming Oil in the Gulf of Mexico

Scientists Find a Natural Way to Clean Up Oil Spills, With a Plant-Based Molecule

Researchers at the City College of New York are testing a spray made of phytol, a molecule in chlorophyll, on oil in lab wave pools

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