
The Long Search for the Value of Pi
The mathematical odyssey, plus a guide to calculating pi for yourself

The Long Search for the Value of Pi
The mathematical odyssey, plus a guide to calculating pi for yourself

Students Reveal How They Broke the Lead Contamination Case in Flint, Mich.
Officials criticized them as bogus "magicians," but making data transparent caused residents to demand action

Mysterious Chimpanzee Behavior May Be Evidence of "Sacred" Rituals
Videos from Africa capture repeated activities unconnected to food or status

How Different Polling Locations Subconsciously Influence Voters
From churches to schools, the places where people cast their ballots can subliminally 'prime' the choices they make

Which Species Will Survive Climate Change?
To thrive, species must be quick breeders, unfussy eaters.

3-D Scanners Race to Monuments before Terrorists Blow Them Up
Digital virtualization is one way to preserve temples and statues from bombs, says anthropologist

How to Build an 80-Foot-Wide Telescope Mirror to See Deep Space
Two scientists working on the Giant Magellan Telescope explain the mammoth and intricate construction

The Conversation: What Makes a "Smart Gun" Smart?
The Obama administration called for greater urgency in developing firearms that can be used only by a device's authorized user

How 3-D Printing Threatens Our Patent System
Patents will have even more trouble with 3-D copies than copyright law had with digital music sales

How the Cat Got Its Coat (and Other Furry Tails)
Striking pattern formation has implications for serious embryonic disorders in humans

Elephant Daughters Step Up to Replace Murdered Mothers
After poachers kill matriarchs, daughters try to rebuild social bonds in their groups, but it is a survival struggle

Can Christmas Tree Lights Really Play Havoc with Your Wi-Fi?
While many different factors can dull your wireless signal, it would take a lot of holiday twinkling to thwart your router

A Tale of 2 Habitable Planets
New study explores how life on one exoplanet could spread to its neighbor

Ancient Aquatic Flora Was among the First Flowering Plants
Pyrenees fossils suggest the Montsechia lived up to 130 million years ago and is the earliest known example of a fully submerged aquatic flowering plant

Aged Technology on Pluto Flyby Probe Won't Cripple Mission
Even if the decade-old flyby spacecraft could have used higher frequency microwaves to return data, large improvements might not have followed

System Crashes Will Forestall the Robot Apocalypse
If you find yourself being chased by a crazed bipedal robot, simply enter a room and close the door behind you

Proton Smashing Resumes at the World's Largest Particle Accelerator
Former CERN scientist offers an inside look at the Large Hadron Collider as it awakens from a two-year slumber

Power Grid Cyber Attacks Keep the Pentagon Up at Night
A detailed look at why computers running the U.S. electrical infrastructure are so vulnerable to digital threats

How I Dissected a T. Rex [Video]
Hint: it took chain saws, feathers and lots of latex, says vertebrate palaeontologist and evolutionary biologist Stephen Brusatte

Hurricanes Can Inflict Major Damage Beyond Their Predicted Paths
Hurricane season has begun and, despite predictions for a relatively quiet year, forecasters urge caution over complacency

Can Your Brain Really Be "Full"?
Neuroimaging aids investigation into what happens in the brain when we try to remember information that’s very similar to what we already know

How We Made an Octopus-Inspired Surgical Robot Using Coffee
A new robotic tentacle has the potential to improve keyhole surgery

Eye-Tracking Technology Aims to Take Your Unconscious Pizza Order
Pizza Hut has started to test eye-tracking technology for ordering in some of its U.K. restaurants, but it may not get your order right

"Fastest Car on the Planet" Set for Testing in 2015 [Video]
After breaking the sound barrier of 1,223 kilometers per hour with Thrust SSC, a British team is building Bloodhound SSC to cross the 1,600-kph mark