sahar khan

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Who's Buried in Largest Tomb in Northern Greece? New Finds Raise Intrigue

A relative of Alexander the Great may lie in the 2,300-year-old burial site.<p>Fans of ancient history are laying bets on who was buried in the dark heart of a massive marble-walled tomb that is slowly coming to light in northern Greece.<p>Dating to the tumultuous years surrounding the death of Alexander …

Hidden Monuments Under Stonehenge Revealed by High-Tech Mapping

Underground images show a large complex of monuments and buildings used in rituals dating back thousands of years.<p><b>An astonishing complex of ancient monuments, buildings, and barrows has lain hidden and unsuspected beneath the Stonehenge area for thousands of years. Scientists discovered the site</b> …

Big Bang Mystery Extends Into Nearby Galaxy, Puzzling Cosmologists

Theory suggests stars should contain three times as much lithium as they do.<p>A star cluster some 80,000 light-years from Earth looks mysteriously deficient in the element lithium, just like nearby stars, astronomers reported on Wednesday.<p>That curious deficiency suggests that astrophysicists either …

Study: Artificial Sweeteners May Trigger Blood Sugar Risks

Bacteria in your gut might determine whether saccharin triggers glucose intolerance.<p>There's no such thing as a free lunch, or at least a free artificially sweetened one, a new study suggests. Saccharin and other artificial sweeteners may raise blood sugar levels—a condition the sugar substitutes …

Milky Way Mysteries Mapped

Changing Planet<p>The Hubble Space Telescope snapped this finely detailed image of the beautiful spiral galaxy NGC 6384, an island of stars thought to resemble our own Milky Way galaxy. Credit: ESA/NASA<p><b>Ever look up and wonder how many stars are out there in the night sky, and where did all these stars</b> …

Self-Driving Cars: A Marketer's Dream?

The automated car of the future could become a haven for an advertising nightmare.<p>Picture this: You're on a cross-country road trip with your kids, passing through some dusty corner of Nevada in your self-driving 2030 Chevrolet Lumina. Your car then sends an invisible message across the desert:</i> …

Driverless Cars

"Fantasy" of Fuel From Corn Waste Gets Big U.S. Test

Project Liberty is the first of three commercial-scale cellulosic ethanol plants opening this year.<p>EMMETSBURG, Iowa—Despite its grand scale, the event that marked the opening of the Project Liberty ethanol plant in northern Iowa last week at times felt a bit like a homey church function.<p>At a …

What is the Heisenberg Uncertainty Principle? - Chad Orzel

Electric Car Breaks 200 MPH, Sets New World Land Speed Record

Look at that car go!<p>An electric car built by students at Brigham Young University has set a new land speed record for cars in its class. "Electric Blue" averaged a mind-blowing 204.9 mph over two runs at the Bonneville Salt Flats this month, beating its own previous record from 2011 by nearly 50 …

China Shows Off Less Deadly Rocket Launcher

Hopefully, with fewer unintended casualties<p>It’s not often that a military advertises a weapon on what it doesn’t do, but at the Africa Aerospace and Defence exposition in Pretoria, South Africa, that’s exactly what Chinese arms manufacturer Poly Technologies did. The “Shoulder-Launched Rocket with …

Military

Can Genetic Engineering Save the Florida Orange?

Genetically modified oranges might save Florida's blighted groves—if Americans will drink the juice.<p>Citrus greening, the plague that could wipe out Florida's $9 billion orange industry, begins with the touch of a jumpy brown bug on a sun-kissed leaf.<p>From there, the bacterial disease incubates in …

Comedy vs. anti-science: 10 amazing videos that show how humor can make a difference

From Colbert and Oliver to Sarah Silverman and Louis CK, comedians are torching anti-science activists with aplomb<p>In the latest version of America's long-running culture wars, conservatives (and even some liberals) have zeroed in what once might have seemed like an unlikely target. While all the …

The coming era of unlimited — and free — clean energy

In the 1980s, leading consultants were skeptical about cellular phones. McKinsey & Co. noted that the handsets were heavy, batteries didn’t last long, coverage was patchy, and the cost per minute was exorbitant. It predicted that in 20 years the total market size would be about 900,000 units and …

Architizer

Amazing Time Slice Collages Represent Hours of Passing Time

Los Angeles-based photographer Dan Marker-Moore captures long periods of time through creative <i>Time Slice</i> photography. Across the course of minutes and hours, Marker-Moore uses a tripod and a lot of patience to document beautiful cityscapes, the gorgeous colors of a setting sun, or the rising …

Photography

3 Steps to Getting The Perfect Cara Delevingne Eyebrows

From the editors of ELLE.com, how to fill in your eyebrows while growing them out.<p>Bold, bushy eyebrows à la Cara Delevingne are having more than a moment. They've almost become a beauty precedent, and with good reason: Fuller brows create a more youthful look and can accentuate other facial …

A 3-D Printed, Hand-Cranked Computer

And what that computer can teach us about modern machines<p>When the hackerspace NYC Resistor hosted a “digital archaeology” interactive show last spring, electrical engineer Chris Fenton built a throwback computer using modern technology. Fenton works with supercomputers all day but wanted to slow …

Supercomputers

Like Sassy Teenagers, Atoms Talk Back

Researchers have captured sound from an artificial atom<p>If you talk to an artificial atom, it turns out the atom will say something back to you. Unfortunately, you won’t be able to hear it.<p>Researchers at Chalmers University of Technology in Sweden have communicated with an artificial atom in a lab. …

Quantum Mechanics