Articles

At 3.3 million years old, tools unearthed at the Lomekwi 3 excavation site in Kenya, like the one pictured above, represent the oldest known evidence of stone tools, researchers suggest.

The Oldest Stone Tools Yet Discovered Are Unearthed in Kenya

3.3 million-year-old artifacts predate the human genus

The sewer museum in Paris.

Urban Explorations

Urine for a Treat With a Tour of These Five Sewer Systems

Tunnels, drains and other wastewater structures to explore, from ancient Rome to present-day New York

Tech Watch

Has a Finnish Company Found a Cure for Jet Lag?

Valkee is releasing the Human Charger, a new gadget that beams light through a user's ears

The ancestor of all living snakes, depicted on the prowl in the South American forests it likely inhabited 110 million years ago, likely possessed a pair of tiny hind limbs and hunted at night.

The Mother of All Snakes Looked Surprisingly Modern

New research indicates why the slithery beast's body appears pretty much as it did 110 million years ago

Why Do Hyenas Laugh?

Are hyenas the most misunderstood animals in the wild? They're intelligent, have a sophisticated social order, and their famous laugh isn't even a laugh

Two Nudes in a Forest, from 1939, one of the paintings on display in the Bronx. Kahlo painted it for Dolores del Río, an actor who played the role of the "other" in Hollywood films and who often played Indian women in Mexican films despite that she was not herself of indigenous descent, as Joanna L. Groarke writes in the book that accompanies the exhibition.

Urban Explorations

Visit Frida Kahlo’s Recreated Garden to See the Plants That Influenced Her Art

The New York Botanical Garden is showing rare paintings and drawings alongside the types of flora Kahlo herself once cultivated

A Harvard Student's App Could Bring 911 Into the Future

With just one click, RapidSOS sends GPS and medical information to emergency dispatchers

Vampire Healing: Young Blood Can Mend Old Broken Bones

It's old blood, not old bones, that makes fracture healing difficult among the elderly

CellScope automatically detects and quantifies infection by parasitic worms in a drop of blood.

This Smartphone Microscope Uses Video to Spot Moving Parasites

A team of Berkeley bioengineers has created CellScope, a mobile phone attachment that can quickly test blood for tropical diseases

Still from Coca-Cola advertisement

American History Museum Scholar on the History of the "I'd Like to Buy the World a Coke" Advertisement

The commercial that closed out the series finale of "Mad Men," explained

A map of the Dupont Underground site.

Urban Explorations

A Long-Forgotten, Underground Tunnel in D.C. Is Finally Getting Some Fresh Air

The 75,000-square-foot space underneath the city's Dupont Circle will become an impressive new art space

Watch As a Real-Life Hoverboard Whirs to Life

At Smithsonian magazine's Future is Here festival, a few lucky attendees got to take a ride

Meet the Prize-Winning Spiders From the British Tarantula Society's Annual Competition

Now in its 30th year, the arachnid-equivalent of the Westminster Dog Show showcases the strange beauty of an eight-legged obsession

Mt. St. Helens, National Volcanic Monument State Park, Washington state.

Where You Can Still See Signs of the Mt. St. Helens Eruption

More than four decades after Mt. St. Helens blew its top, the landscape is full of stark reminders

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Best Space Photos of the Week

Dark Globs, a Salty Moon and More of This Week's Stellar Wonders

Mysterious star clusters and Europa in a can feature in our picks for this week's best space images

University of Vermont engineering student Joseph Maser gazes down at the prototype of the inflatable airlock for space stations and vehicles that he and three other students built.

Made by College Seniors, These Seven Products Give Us a Glimpse Into the Future

Engineering students at universities across the country took these projects from sketch to reality in one year

A skull at Bolivia's Fiesta de las Ñatitas.

New Photo Book Explores Places the Dead Don’t Rest

From mossy burial caves to bone-filled churches, photographer Paul Koudounaris spent a dozen years documenting sites where the living and dead interact

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Ask Smithsonian: How Many Rings Does Saturn Have?

The age, origin and purpose of Saturn's rings have mystified scientists since the days of Galileo

How Food Truck Parks Are Making America More Like Southeast Asia

Pushing for nutritious options, as public officials in Singapore are doing, could boost the health of cities and their residents

Data from satellites and sensors show the Pacific Ocean conditions in March 2015, including an increase in warm waters (shown in red). The warming has strengthened since then, prompting agencies to declare 2015 an El Niño year.

Anthropocene

El Niño Is Here, But It Can’t Help Parched California (For Now)

Three national agencies have confirmed that the natural phenomenon has arrived, but not in time to bring much-needed rains in the West

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