As the new millennium dawned, a mysterious invention from a charismatic millionaire became a viral sensation—then went down in flames

What Life Was Really Like for a Private Detective in the 1970s

The Persisting Mysteries of Tears

Earth’s Inner Core Is Growing Lopsided

Video: Getting Clean to Be a Good Dad [43:01]

The Photographers Who Captured the Great Depression

A So-Called Game-Changing Weight Loss Drug Is Here—So What Happens Next?

Video: The Plane That Will Change Travel Forever [27:40]

Why did the atomic bomb dropped on Hiroshima leave shadows of people etched on sidewalks?

‘Totally new’ idea suggests longer days on early Earth set stage for complex life

Mexico’s three-billion-year-old underwater lifeforms

Hospitals Still Use Pneumatic Tubes—and They Can Be Hacked

Fruit baskets from fourth century BC found in ruins of Thonis-Heracleion

The tangled physics of knots, one of our simplest and oldest technologies

The enigma of Europe’s largest active volcano

The Solar Wind Across Our Solar System [Infographic]

The oldest tree in eastern US survived millennia – but rising seas could kill it

Archaeologists find ancient Egyptian warship sunk near Alexandria

Bad genes, not rock’n’roll excess, killed Elvis Presley, claims biographer

The International Space Station Had a Rough Day

This Miniature Particle Accelerator Powers a Tiny Laser With Huge Promise

Say Hello To The Tokyo Olympic Robots

Unraveling a Mystery: Bird Brains Left Other Dinosaurs Behind

On this day in 1973 Uri Geller appeared on the Tonight Show, and failed to impress Johnny

Why animals recognise numbers but only humans can do maths

260 years ago today a French ship crashed on a lost and hostile island. The survivors were remarkably resourceful.

What Leisure Means for People Who Are Homeless

Exploring the Moon: Revisiting Apollo 15’s Lunar Landing, 50 Years Later

Video: How to Clean Dirty Money [7:46]

During the English Civil War, Women Fought, Spied, and Defended Castles

Astronomers investigate the layered atmosphere of a brown dwarf

Collisions of Light Produce Matter/Antimatter from Pure Energy (a direct demonstration of E=mc^2)

Neuroscientists discover how taking breaks while learning improves memory

Remains of High-Born Woman and Twin Fetuses Found in 4,000-Year-Old Urn

The secrets of the Alps’ strange red snow

A Plant That ‘Cannot Die’ Reveals Its Genetic Secrets

Less invasive neuron-activating device shines light through the skull

This week: 🐈 Spying on cats, 🦜 trash can cockatoos, 💳 rewards program shenanigans, and more!

What is the world’s deepest cave?

First ‘Time Crystal’ Built Using Google’s Quantum Computer

This Newly Discovered World Is The Closest Directly Imaged Exoplanet Ever

The British shipwreck that changed the world

Legendary competitive eater Joey Chestnut reveals what happened to his body after he ate 76 hot dogs and buns in 10 minutes

Image: A representative screenshot from the FBI’s response to our FOIA request regarding “The Pond”

Video: Why the US Army tried to exterminate the bison [8:14]

Experience: ‘I survived a plane crash that killed 151 people’

Video: The Simplest Math Problem No One Can Solve [22:08]

Physicists at CERN Just Discovered a Brand New Particle

‘Climate change has become real’: extreme weather sinks prime US tourism site

How Did Hitler Succeed? And Why Wasn’t He Stopped?

How to give a Neanderthal a blood transfusion

Russia rocket mishap briefly nudges International Space Station out of position

This Cyclic Model of the Universe Has Cosmologists Rethinking the Big Bang

Scientists Are Working to Decipher the Puzzle of ‘Broken Heart Syndrome’

The Incredible Fig

Video: The Island of the Last Surviving Mammoths [8:45]

Hyenas Left a Massive Pile of Bones in a Saudi Arabian Lava Tube

The Search for Alien Artifacts Begins

How NBC Packed an Entire 1950s TV Studio Into a Cadillac

Facebook’s Broken Vows