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

Drought affects the carbon cycle in Georgia blackwater rivers

(Phys.org) —Droughts might be affecting how Georgia's blackwater rivers process carbon, according to a new study led by an ecologist while he was at the University of Georgia. The results, which were...

View Article


Substance in photosynthesis was at work in ancient, methane-producing...

A team of researchers led by Virginia Tech and University of California, Berkeley, scientists has discovered that a regulatory process that turns on photosynthesis in plants at daybreak likely...

View Article


Research team develops rapid smartphone-based mercury testing and mapping

(Phys.org) —A team of researchers from the UCLA Henry Samueli School of Engineering and Applied Science has developed a smartphone attachment and application to test water for the presence of mercury,...

View Article

Scientists find 800,000-year-old footprints in UK (Update)

They were a British family on a day out—almost a million years ago.

View Article

Apple takes $14B bite of its stock via buyback (Update)

Apple has repurchased $14 billion of its stock in the two weeks after its first-quarter financial results and second-quarter revenue outlook disappointed investors.

View Article


Proteins snap those wrinkly fingers back into shape

You know how your fingers wrinkle up in the bath? The outer layer of your skin absorbs water and swells up, forming ridges – but quickly returns to its old state when dry. Two physicists, Professor...

View Article

How did early Earth protect itself against the cold?

Earth's Sun was a weakling when it was younger. Around three or four billion years ago, the star's energy was about 20 percent to 25 percent lower than what's experienced today. If that was still true...

View Article

Digital music gets a cubist makeover

An 8-inch wooden cube may be an unlikely spark for a musical revolution – but that's the hope of a collaboration of electronic engineers and musicians working towards hackable electronic instruments...

View Article


A custom-built rig can put rock samples under the levels of strain they...

(Phys.org) —"I have always been interested in the origins of plate tectonics," said Philip Skemer, PhD, assistant professor in the Department of Earth and Planetary Sciences in Arts & Sciences at...

View Article


Bottom-up insight into crowd dynamics

Stampedes unfortunately occur on too regular a basis. Previously, physicists developed numerous models of crowd evacuation dynamics. Their analyses focused on disasters such as the yearly Muslim Hajj...

View Article

New application of physics tools used in biology

A Lawrence Livermore National Laboratory physicist and his colleagues have found a new application for the tools and mathematics typically used in physics to help solve problems in biology.

View Article

Shape-sifting: NIST categorizes bio scaffolds by characteristic cell shapes

Getting in the right shape might be just as important in a biology lab as a gym. Shape is thought to play an important role in the effectiveness of cells grown to repair or replace damaged tissue in...

View Article

Rugged, rapid monitor safeguards space crews

There are few things as important on, and especially off, Earth as breathable, quality air. When air quality is compromised, we often don't have seconds to spare, which is why development of the...

View Article


Social or stinky? New study reveals how animal defenses evolve

When people see a skunk, the reaction usually is "Eww," but when they see a group of meerkats peering around, they often think "Aww."

View Article

US drops antitrust probe of Samsung over patents

US Department of Justice officials on Friday dropped an antitrust investigation into whether Samsung abused essential mobile gadget patents in its ongoing battle with Apple.

View Article


California leaders push for smartphone kill switch (Update)

Legislation unveiled Friday in the state of California would require smartphones and other mobile devices to have a "kill switch" to render them inoperable if lost or stolen—a move that could be the...

View Article

Reports: NSA gets under 30 percent of phone data (Update)

The National Security Agency collects less than 30 percent of calling data from Americans despite the agency's massive daily efforts to sweep up the bulk of U.S. phone records, two U.S. newspapers...

View Article


Fear hackers? Sochi is little worse than elsewhere

How safe is Sochi for your electronics and personal data? The games, like nearly all international events, have sparked a series of online calls to arms, with various branches of the nebulous Anonymous...

View Article

Bottle released by US scientist in 1956 found

It was April 1956, and the No. 1 song was Elvis Presley's "Heartbreak Hotel." At the Woods Hole Oceanographic Institution on Cape Cod, scientist Dean Bumpus was busy releasing glass bottles into the...

View Article

WASP gives NASA's planetary scientists new observation platform

Scientists who study Earth, the sun and stars have long used high-altitude scientific balloons to carry their telescopes far into the stratosphere for a better view of their targets. Not so much for...

View Article
Browsing all 14071 articles
Browse latest View live