Roumiana McMahon

16 Flips | 3 Magazines | @roumianamcmahon | Keep up with Roumiana McMahon on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Roumiana McMahon”

Parasitic Amoeba Eats People Alive, Bite By Bite

These amoebae eat human cells while they are still alive, and then move on. Terrifying.<p>It used to be thought that the parasite <i>Entamoeba histolytica</i> killed human cells with toxins and only ate them once they were dead--and that during its meals, it would eat cells by engulfing them whole, like other …

Biology

Hornby Lighthouse at Sunset

13-Year-Old Kazakh Girl Trained To Become Eagle Hunter

“<i>I wanted to document the ‘Future Generation’ – boys who take their first steps in learning the hunting skills, boys who hold the tradition’s future</i> …

Kazakhstan

Geography Of Beer: How A Bubbly Brew Took Over The World

Hooray for beer!<p>Beer, that magical fermented brew, is the third-most consumed beverage on the planet. Only water and tea are more popular.<p>These and other facts—complete with academic-level history and analysis—are crammed into a new textbook called “The Geography of Beer”. The $129 printed …

India Pale Ale

Saturn's Moon Enceladus Is Now A Top Candidate For Life

New gravity measurements determined Enceladus has a liquid water sea about as large as Lake Superior.<p>Buried under miles of ice, astronomers have detected a liquid water sea on one of Saturn's moons, Enceladus. The sea is about the size of Lake Superior and it touches Enceladus' silicate core… which …

Astronomy

Simple Invention For Sealing Gunshot Wounds Gets FDA Approval

The XStat syringe stops bleeding in 15 seconds using tiny sponges.<p>The pocket-sized XStat, a hemorrhage-stopping invention we wrote about in February, yesterday received approval from the U.S. Food and Drug Administration as a first-of-its-kind medical dressing. This means that the U.S. Army, which …

U.S. Army

The Microscopic Future of Surgical Robotics

Chances are, you aren’t, and never will be, an astronaut. So the recent revelation that NASA is funding the development of a somewhat gruesome-sounding surgical bot—a fist-size contraption that would enter a patient’s gas-engorged abdomen to staunch bleeding or remove a ruptured appendix—isn’t …

What's living with you?

An invisible world of microbes<p>On a recent morning, Noah Fierer, a professor of ecology and evolutionary biology at the University of Colorado, Boulder, found himself standing 1,000 feet above the farmland of eastern Colorado. He was perched near the pinnacle of the Boulder Atmospheric Observatory, …

Enjoy The Feeling Of Adderall? You May Be Less Likely To Develop ADHD

A link between affinity for a drug and susceptibility to a condition<p>Amphetamine, the primary ingredient in Adderall, is commonly taken by people with ADHD to improve their focus, memory, and so on. Some people in particular who take this drug, also known as dextroamphetamine, report feelings of …

University of Chicago

How Surgeons Are Learning From The Hands Rodin Sculpted

Medical quirks immortalized in bronze<p>Auguste Rodin, the French sculptor, spent a lot of time observing the human anatomy, which helped him to convey emotions in his artwork. “Every part of the human figure is expressive,” he said.<p>A hundred years later, Dr. James Chang, an internationally renowned …

Electric Stimulation To Spine Gets Paralyzed Patients Moving Again

Four men who had been paralyzed for two years or more were able to move their legs, knees, ankles and toes.<p>After you've injured your spinal cord, getting a "motor complete" diagnosis means you're unable to move your legs—or anything on your body, below the injury—under your own volition. Stay …

Los Angeles

25 Amazing Facts for National Beer Day

Today is National Beer Day! If you're out with friends and run out of things to talk about, here are some beer facts to share.<p><b>1.</b> After he won the …

Brightest Mars since 2003

Why is Mars so bright and red now in our sky? Here’s the answer.<p>Have you seen Mars yet? Watch for it tonight! You’ll find it easily because nothing …

Astronomy

5 Sky Events This Week: Lunar Wall, Mars Up-Close, and a Blue Giant

Changing Planet<p>This composite illustration shows Neptune as seen from its moon Triton. Neptune’s south pole is to the left; clearly visible in the planet’s southern hemisphere is the Great Dark Spot. Credit: NASA<p><b>Fantastic fault lines and planetary close encounters this week offer sky-watchers some</b> …

How It Works: The Inner Earth

Know your planet!<p>Plate tectonics—the theory that explains the sinking, spreading, and slip-sliding of big chunks of Earth’s surface—is a bedrock of geology. But it can’t explain what happens to plates once they sink, or account for the forces that drive many of the planet’s volcanic hotspots. …

Geology

Dawn