reggie yazzie

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Is Ceres an oasis between Mars and Jupiter?

Ceres is a Solar System body 950 km (590 miles) in diameter. Orbiting the Sun every 4.6 Earth years at an average distance of 2.77 Astronomical Units …

Blue diamond ' worth millions' found in South African mine

Acorn-sized jewel, from the same mine that produced the diamond in Britain's crown jewels, is expected to fetch up to £12m at auction<p>An "exceptional" blue diamond, with a possible price tag of tens of millions of pounds, has been discovered at a <b>South African</b> mine.<p>The acorn-sized diamond, whose …

Da Vinci's String Organ Must Be Heard To Be Believed

The man who painted the Mona Lisa, and was the first to sketch out the helicopter and the submarine, also dabbled in music. So here's the question: What musical instrument did Leonardo da Vinci design?<p>There isn't an easy answer. His 15th-century sketches indicate something between a harpsichord and …

This Radioactive Element Could Power the Planet

If your car was powered by thorium, you would never need to refuel it. The vehicle would burn out long before the chemical did. The thorium would …

A Mitosis Mystery Solved: How Chromosomes Align Perfectly in …

A Mitosis Mystery Solved: How Chromosomes Align Perfectly in a Dividing Cell<p>To solve a mystery, sometimes a great detective need only study the clues in front of him. Like Agatha Christie's Hercule Poirot and Arthur Conan Doyle's Sherlock Holmes, Tomomi Kiyomitsu used his keen powers of observation to solve a puzzle that had mystified researchers for years: in a cell undergoing mitotic cell division, what internal signals cause its chromosomes to align on a center axis?<p>"People have been looking …

Origin of Photosynthesis Revealed: Genome Analysis of 'Living…

Origin of Photosynthesis Revealed: Genome Analysis of 'Living Fossil' Sheds Light On the Evolution of Plants<p>In the image: Schematic of Cyanophora paradoxa.<p>Atmospheric oxygen really took off on our planet about 2.4 billion years ago during the Great Oxygenation Event. At this key juncture of our planet's evolution, species had either to learn to cope with this poison that was produced by photosynthesizing cyanobacteria or they went extinct. It now seems strange to think that the gas that …

Blood Mystery Solved: Two New Blood Types Identified

Blood Mystery Solved: Two New Blood Types Identified<p>You probably know your blood type: A, B, AB or O. You may even know if you’re Rhesus positive or negative. But how about the Langereis blood type? Or the Junior blood type? Positive or negative? Most people have never even heard of these.<p>Yet this knowledge could be “a matter of life and death,” says University of Vermont biologist Bryan Ballif.<p>While blood transfusion problems due to Langereis and Junior blood types are rare worldwide, several …

How Protein Machinery Binds and Wraps DNA to Start Replicatio…

How Protein Machinery Binds and Wraps DNA to Start Replication http://goo.gl/XNvPt<p>Before any cell -- healthy or cancerous -- can divide, it has to replicate its DNA. So scientists who want to know how normal cells work -- and perhaps how to stop abnormal ones -- are keen to understand this process.<p>As a step toward that goal, scientists at the U.S. Department of Energy's Brookhaven National Laboratory and collaborators have deciphered molecular-level details of the complex choreography by which …

WORLD FIRST: Membrane repair in real-time in a living organis…

WORLD FIRST: Membrane repair in real-time in a living organism http://goo.gl/34VWw<p>Researchers at Karlsruhe Institute of Technology (KIT) and Heidelberg University have succeeded for the first time in observing membrane repair in real-time in a living organism.<p>Every cell is enclosed by a thin double layer of lipids that separates the distinct internal environment of the cell from the extracellular space. Damage to this lipid bilayer, also referred to as plasma membrane, disturbs the cellular …

How to easily root an Android device

Rooting is the Android equivalent of jailbreaking, a means of unlocking the operating system so you can install unapproved apps, deleted unwanted bloatware, update the OS, replace the firmware, overclock (or underclock) the processor, customize anything and so on.<p>Of course, for the average user, …

Researchers Take First-Ever Photographs of Molecules Forming Chemical Bonds

Science nerds and photographers can join hands today and stare in awe at what a team of researchers at the Department of Energy’s Lawrence Berkeley …

Awesome GIFs of Scientific Experiments

<b>Hydrogen Peroxide Mixed With Potassium Iodide</b><p>Scientific experimentation has yielded many anomalies, baffling the senses, and Imgur user Gloryholio has amassed some of these visually awe-inspiring experiments into a series of gifs. Luckily, Redditor preggit has shared the scientific set, allowing …

The Hardest Thing To Find In The Universe?

What is rarer than a shooting star?<p>Rarer than a diamond?<p>Rarer than any metal, any mineral, so rare that if you scan the entire earth, all six million billion billion kilos or 13,000,000,000,000,000,000,000,000 pounds of our planet, you would find only one ounce of it?<p>What is so rare it has never …

MRI SCAN OF A PATIENT FROM HEAD TO FEET

MRI SCAN OF A PATIENT FROM HEAD TO FEET

Sideprofile of a phospholipid bilayer membrane with a few anchored proteins, Nuno Moreira

Sideprofile of a phospholipid bilayer membrane with a few anchored proteins, Nuno Moreira.

All the elements arranged by the country that discovered them

Scientists Say They've Confirmed A New Element

Scientists in Sweden say they have confirmed a new, super-heavy element that was first proposed by Russian scientists in 2004. The element with the atomic number 115 has yet to be named.<p>In a press release, Lund University says a group of international scientists led by physicists from Lund …

Time lapse of epithelial cells undergoing mitosis

Time lapse of epithelial cells undergoing mitosis.