Particles Larger Than Galaxies Fill the Universe?Source: National Geographic
For neutrinos created recently, the ranges they can exist in are very, very small.
But over the roughly 13.7-billion-year lifetime of the cosmos, "relic" neutrinos have been stretched out by the expansion of the universe, enlarging the range in which each neutrino can exist.
Dark-Energy (Chameleon) Particle Spotted? : NatureSource: News at Nature
Cosmologists don't usually take their lead from the animal kingdom. But a model that postulates the existence of a 'chameleon' particle — which would change its mass depending on its surroundings — is gaining attention.
More Articles
Refined Hubble Constant Narrows Possible Explanations for Dark EnergySource: newswise.com
Whatever dark energy is, explanations for it have less wiggle room following a Hubble Space Telescope observation that has refined the measurement of the universe's present expansion rate to a precision where the error is smaller than five percent.
More Articles
Once a migrant worker, today he's a brain surgeonSource: msnbc.com
Two decades ago, Dr. Alfredo Quinones-Hinojosa used his hands to pick vegetables for $22 a day; now he's one of the world's best brain surgeons. TODAY's Bob Dotson reports on how a laborer went from a California field to a lab at Johns Hopkins Medical Center.
In New Procedure, Artificial Arm Listens to BrainSource: The New York Times
Amanda Kitts lost her left arm in a car accident three years ago, but these days she plays football with her 12-year-old son, and changes diapers and bearhugs children at the three Kiddie Cottage day care centers she owns in Knoxville, Tenn.
A Microscopic Tool Inspired by the Human HandSource: The New York Times
Using the human hand as a model, scientists at Johns Hopkins University and its medical school have developed a microscopic tool that might one day be used inside the body.
We Have The TechnologySource: tmcnet.com
Emerging prosthetic technologies promise not only greater power and flexibility but also pressure-sensitive artificial skin, and even limbs that are bonded to the body and controlled by the mind - and much of this within five years.
More Articles
A beacon of hope for unwanted lighthousesSource: msnbc.com
There are about 200 lighthouses for sale all around the country and, ironically, people are paying big bucks for lighthouses few wanted for free. TODAY's Bob Dotson reports on the people buying and living in these historic landmarks.
A beacon of hope for unwanted lighthousesSource: msnbc.com
There are about two hundred lighthouses for sale all around the country and, ironically, people are paying big bucks for lighthouses few wanted for free. TODAY's Bob Dotson reports on the people buying and living in these historic landmarks.
Promising therapy for 'eye stroke'Source: The Baltimore Sun
At first, Christine Jablonski didn't worry about the blurry vision in her right eye. She dismissed it as a flake of morning mascara and went about her daily business in Ellicott City. But within two hours, the eye went dark.
Migrant worker becomes brain surgeonSource: msnbc.com
Two decades ago, Dr. Alfredo Qui�ones-Hinojosa used his hands to pick vegetables for $22-dollars a day, now he's one of the best brain surgeons in the world.
A Basic Hospital To-Do List Saves LivesSource: The New York Times
This is a call to arms for everyone who may someday be hospitalized, or who has a relative who may someday be hospitalized — which is to say everyone.