Quantcast
Channel: American Gastroenterological Association in the news
Browsing all 14071 articles
Browse latest View live

Diamonds, nanotubes find common ground in graphene

What may be the ultimate heat sink is only possible because of yet another astounding capability of graphene. The one-atom-thick form of carbon can act as a go-between that allows vertically aligned...

View Article


Shape-shifting nanoparticles flip from sphere to net in response to tumor signal

Scientists at the University of California, San Diego, have designed tiny spherical particles to float easily through the bloodstream after injection, then assemble into a durable scaffold within...

View Article


Scientists find possible solution to an ancient enigma

The widespread disappearance of stromatolites, the earliest visible manifestation of life on Earth, may have been driven by single-celled organisms called foraminifera.

View Article

Einstein's 'spooky action' common in large quantum systems, mathematicians find

Entanglement is a property in quantum mechanics that seemed so unbelievable and so lacking in detail that, 66 years ago this spring, Einstein called it "spooky action at a distance." But a...

View Article

Kitchen drawers, nano-capsules scoop invention awards

The inventors of products ranging from kitchen drawers that close silently to hi-tech cancer-killing nano capsules were among those honoured at the European Inventor Awards on Tuesday.

View Article


Diseases can rapidly evolve to become more—or less—virulent, according to...

A novel disease in songbirds has rapidly evolved to become more harmful to its host on at least two separate occasions in just two decades, according to a new study. The research provides a real-life...

View Article

Optimal stem cell reprogramming through sequential protocols

(Phys.org) —Gaining control of the ability of mature tissues to generate stem cells is the central medical challenge of our day. From taming cancer, to providing compatible cell banks for replacement...

View Article

Researchers find that adult wild chimpanzees developed certain immunity...

Wild great apes are widely infected with malaria parasites. Yet, nothing is known about the biology of these infections in the wild. Using faecal samples collected from wild chimpanzees, an...

View Article


Apple chief sees computers on wrists, not in glasses

Apple chief Tim Cook said he sees promise in computers shrunk down and worn like watches or other accessories, but drew the line at Internet-linked eyewear such as Google Glass.

View Article


Linkbot learners can build robots on all levels

(Phys.org) —A Kickstarter project offers an interesting value proposition. A Linkbot robot platform helps robot hopefuls learn as they go. This is a modular platform where robot learners can keep it...

View Article

Advanced paper could be foundation for inexpensive biomedical and diagnostic...

(Phys.org) —Paper is known for its ability to absorb liquids, making it ideal for products such as paper towels. But by modifying the underlying network of cellulose fibers, etching off surface "fluff"...

View Article

Organic polymers show sunny potential

(Phys.org) —A new version of solar cells created by laboratories at Rice and Pennsylvania State universities could open the door to research on a new class of solar energy devices.

View Article

Researchers find connection with global warming and increased monsoonal...

(Phys.org) —New research by scientists at the University of New Mexico suggests that future warming may lead to above average monsoonal moisture. While that sounds like a ray of sunshine especially to...

View Article


Taking the fight into the enemy's territory

(Phys.org) —German researchers have developed a scheme for the preparation of nanoparticles that offer a highly versatile system for targeted drug delivery directly into diverse types of tumor cells.

View Article

Study of salamanders in ponds demonstrates 'invisible finger of evolution'

(Phys.org) —What do marbled and spotted salamanders in ponds in eastern North America have to teach us about biodiversity patterns elsewhere on Earth?

View Article


Inside the secret Symantec building that keeps websites safe

Hidden within a nondescript building here is a highly secret Symantec facility protected by the sort of measures found in nuclear missile silos. Dubbed "the vault" by some employees, the bunkerlike...

View Article

Low-sodium diet key to a stellar old age, astronomers find

(Phys.org) —Astronomers expect that stars like the Sun will blow off much of their atmospheres into space near the ends of their lives. But new observations of a huge star cluster made using ESO's Very...

View Article


Arctic current flowed under deep freeze of last ice age, study says

During the last ice age, when thick ice covered the Arctic, many scientists assumed that the deep currents below that feed the North Atlantic Ocean and help drive global ocean currents slowed or even...

View Article

Genetic engineering alters mosquitoes' sense of smell

In one of the first successful attempts at genetically engineering mosquitoes, Howard Hughes Medical Institute (HHMI) researchers have altered the way the insects respond to odors, including the smell...

View Article

Cosmic glitch: Super-dense star is first ever found suddenly slowing its spin

One of the densest objects in the universe, a neutron star about 10,000 light years from Earth, has been discovered suddenly putting the brakes on its spinning speed. The event is a mystery that holds...

View Article
Browsing all 14071 articles
Browse latest View live