Christine

29 Flips | 2 Magazines | @christine4868 | Keep up with Christine 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 “Christine”

Brains Sweep Themselves Clean Of Toxins During Sleep

While the brain sleeps, it clears out harmful toxins, a process that may reduce the risk of Alzheimer's, researchers say.<p>During sleep, the flow of cerebrospinal fluid in the brain increases dramatically, washing away harmful waste proteins that build up between brain cells during waking hours, a …

Why Leaves Change Color

Charles Rennie Mackintosh observed that, “Art is the flower, Life is the Green Leaf,” but I would very humbly add that after the green leaf dies, all those red, orange, and yellow leaves become nature’s most magnificent work of art.<p>For the past two weeks I’ve enjoyed autumn’s splendor, from the …

30 years of space shuttle missions: A salute in images

The shuttle era is over, but graphic artist Luke Wesley Price is determined to keep the memory from fading. A new photography book, written and designed by Price, collects some of "the most breathtaking and awe-inspiring NASA images from the space shuttle’s 30-year service history."<p>"Space Shuttle: …

Why We Live 40 Years Longer Today Than We Did in 1880

The golden age of medicine—in one chart<p>The late 19th and early 20th centuries were a golden era of American health innovation. Breakthroughs like germ theory, antibiotics, and widespread vaccination, as well as major public-health advances in sanitation and regulation, neutralized many long-leading …

The human brain, its nervous projections, layers,... - Biomedical Ephemera, or: A Frog for Your Boils

<b>The human brain, its nervous projections, layers, and cortical blood vessels</b><p>Though we’re probably subconsciously aware of our brains on a day-to-day …

How to spot a murderer's brain

Do your genes, rather than upbringing, determine whether you will become a criminal? Adrian Raine believed so – and breaking that taboo put him on collision course with the world of science<p>In 1987, Adrian Raine, who describes himself as a neurocriminologist, moved from Britain to the US. His …

Flaws of Gravity

Even the idlest stroll through Cambridge, England, calls to mind a pantheon of great scientific minds, but none is greater than Isaac Newton, who revolutionized the world of “natural philosophy” while the rest of England was paralyzed by the plague. Reading an enlightening new biography by Peter …

Will we ever bring the dead back to life?

Understanding the processes governing death is helping experts try to halt and reverse it. It’s also challenging our ideas about the nature of death itself.<p>Zach Conrad died on a lovely Sunday afternoon in Philadelphia. It was 3 June 2012, and the 36-year-old financial analyst had decided to take a …

Medicine

Red Sky at Night: The Science of Sunsets

A meteorologist explains why the sky is sometimes so colorful.<p><b>On a recent autumn night here in Washington, D.C., the sun seemed to personify a Dylan Thomas poem: Do not go gentle into that good night ... Rage, rage against the dying of the light. The scarlet skies inspired many viewers to grab</b> …

Our Big Beautiful Planet: Breathtaking Views of ‘Earth From Space’ (Photos)

A new book collects satellite images of places around the earth, giving a breathtaking look at the extraordinary planet on which we live our ordinary …

How the Brain Creates Personality: A New Theory

Are you a mover, a perceiver, a stimulator, or an adapter? Modes of thinking can be understood in terms of how the top and bottom—rather than right and left—parts of the brain interact.<p>It is possible to examine any object—including a brain—at different levels. Take the example of a building. If we …

RNA's Secret Life Outside the Cell

For decades, researchers have been finding DNA and its sister, RNA, circulating in the body, outside the safe interior of cells where these molecules …

Heavy atoms help give black hole jets their power

Jets of a black hole known as 4U1630-47 contains heavy particles, such as iron and nickel. It helps explain why black hole jets pack such a …

Albert Einstein Reads ‘The Common Language of Science’ (1941)

Here's an extraordinary recording of Albert Einstein from the fall of 1941, reading a full-length essay in English:<p>The essay is called "The Common …

6 Chemical Reaction GIFs That Will Make You a Smarter Person

Remember how much fun your high school chemistry class was? Neither do we. But that may be because there weren't enough explosions. Well, nowadays, …

Here is the story of Romeo and Juliet: the Differential Equations Edition

What is Heisenberg's Uncertainty Principle?

How the sun shines and why the vacuum of space is not actually empty<p>The uncertainty principle is one of the most famous (and probably misunderstood) ideas in physics. It tells us that there is a fuzziness in nature, a fundamental limit to what we can know about the behaviour of quantum particles …

Male and Female Brains Really Are Built Differently

The hemispheres of women's brains are more interconnected. Does that matter?<p>Ready your knowing smirk, because here comes a scientific gem that’s sure to enliven even the dullest of holiday parties.<p>By analyzing the MRIs of 949 people aged 8 to 22, scientists at the University of Pennsylvania found …

Cassini Photo: Stunning New Views of Saturn’s Hexagon Storm

Wildlife<p>NASA this week released the highest-resolution view yet of the unique, six-sided jet stream circling Saturn’s north pole—known as “the hexagon.” This movie (click image to run), made from images obtained by Cassini’s imaging cameras, is the first to show the hexagon in color filters. …

Antique Victorian microscope slides

Oooooooh.

After cocaine, nerve cells send signals that intensify cravings - Futurity

One way to control cravings for cocaine may be to reverse a process that allows nerve cells to send signals that intensify the urge to use the drug.

Could 'custom' starch ward off type 2 diabetes? - Futurity

Inserting "guest" molecules into the natural structure of potato starch could slow the down the release of glucose during digestion, new research …

APOD: A Colorful Moon (2013 Dec 19) Image Credit & Copyright: László Francsics http://apod.nasa.gov/apod/ap131219.html Explanation: The Moon is normally seen in subtle shades of grey or yellow. But small, measurable color differences have been greatly exaggerated to make this telescopic, multicolored, moonscape captured during the Moon's full phase. The different colors are recognized to correspond to real differences in the chemical makeup of the lunar surface. Blue hues reveal titanium rich areas while orange and purple colors show regions relatively poor in titanium and iron. The familiar Sea of Tranquility, or Mare Tranquillitatis, is the blue area in the upper right corner of the frame. White lines radiate across the orange-hued southern lunar highlands from 85 kilometer wide ray crater Tycho at bottom left. Above it, darker rays from crater Copernicus extend into the Sea of Rains (Mare Imbrium) at the upper left. Calibrated by rock samples from the Apollo missions, similar multicolor images from spacecraft have been used to explore the Moon's global surface composition. http://www.ptes.hu/ Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/viewtopic.php?f=9&t=32617 #APOD

This is one of the first images from NASA's reactivated asteroid-hunter

NASA's "asteroid hunter" spacecraft has returned the first images since it was reactivated this August after more than two years of inactivity. The new images were intended as a test series, to ensure properly functioning equipment, but one shot also shows a previously detected asteroid called …

Anti-ageing compound set for human trials after turning clock back for mice

New South Wales professor in US rolled back the key indicators of ageing to make two-year-old mice appear six months old<p>Australian and US researchers hope an anti-ageing compound could be trialled on humans as early as next year, following a key breakthrough that saw the ageing process reversed in …

Photo of the Moment: Kauai's Napali Coast from Above, Hawaii - Vagabondish

Photo of the Moment: Kauai’s Napali Coast from Above, Hawaii

Abraham's Kitchen

The spiritual heart of Urfa is buzzing with tranquility. Each visitor here goes about his own peaceful business. This is our fifth day of exploring the Abraham Path and our first city walk of the journey; we take it slow. The places to see easily outnumber the few miles to walk.<p>In contrast to the …